BD502 Handheld Optical Power Meter

BD502 handheld optical power meter is a self-developed test instrument, with the current international advanced signal processing, microprocessor hardware and software and micro-electronics technology to provide users with high-performance, high reliability, compact, easy to operate the equipment. It was widely used in optical fiber communications, CATV, optical fiber sensing, optical information processing field, It is an important fiber optical testing instrument in scientific research and engineering.

Handheld Optical Power Meter have four features: 1.High sensitivity, wider dynamic range;2.universal connector interface FC/SC/ST; 3.Quick response, without warm-up and reduce testing time; 4.Large LCD display and optional backlight. And Handheld Optical Power Meter used in maintenance telecom, Maintenance CATV,Test Lab of Fiber Optic and Optical fiber sensors.

Handheld optical power meter wave length is 800-1650nm and Optical connector is FC SC ST/Universal 2.5mm adapter (LC,MU can be optical); Measurement Rangeis -70- +10dbm; uncertainty is 5%; Standard wave length is 850,980,1310,1490,1550,1625 and Resolution is 0.01db. Power Supply is 1pcs battery 9v and it can work 130 hours; Operatiing Temperature -10- + 50 degree and storage temperature is -20- +70 degree, Automatic Shut Down is 10 minutes; Handheld optical power meter dimension is 170x100x50mm.

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China fiber laser research progress

In Nankai reported in 2002 4. 8ns pulse width self-Q-pulse output, and mixed Q-switched double-clad Fiber Optic Laser peak power is greater than 8kW in Yb3 +-doped double-clad fiber devices, pulse width less than2ns pulse output.

In 2003, Nankai University, reported that the pulse pump 100kW peak power Q-switched, and the 60nm tunable Q-switched.

Reported on November 20, 2003, Shanghai scientists to make new achievements in the field of laser output power up to 107W fiber laser successfully developed. Laser called "high-power ytterbium-doped double-clad fiber laser", its maintenance costs and power consumption is much lower compared with the currently available laser life is several times that of ordinary lasers. The researcher told reporters that the person in charge of the Task Force on the first floor Qihong laser printer has a wide range of applications, directly related to the life of the people, such as food production date, security signs, if the laser printing instead of ink print definition high, never fade, it is difficult to counterfeit, environmentally friendly, the new trend of international pop. Shanghai scientists have developed a fiber laser to the fiber laser output power increased to a new level, maximum output power of 107W, has been far ahead of the national counterparts.

In 2004, Nankai University, reported that the continuous pump 206kW peak power Q-switched pulse.

December 3, 2004, FiberHome reports, following the introduction of double-clad ytterbium-doped fiber laser output power up to 100W or more, through painstaking research new heights, the output power of this new class of fiber successfully increased to 440W, to achieve international advanced level.

This is an important step in the FiberHome step in the field of specialty optical fiber, also China a major breakthrough in optical fiber at high power lasers. Yb-doped double-cladVisible Fiber Laser is a newly developed a new type of high power laser devices, due to its good beam quality, high efficiency, easy to heat and easy to achieve high power characteristics, in recent years has developed rapidly and has become a high coherent light source candidates in the field of precision laser machining, laser radar systems, optical communications, and target designation. Double-clad layer of Yb-doped laser laser gain medium is a double-clad ytterbium-doped fiber double-clad layer of ytterbium-doped fiber performance directly determines the type of laser conversion efficiency and output power. The FiberHome only a double-clad layer of ytterbium-doped fiber research unit, after the successful launch of the output power up to 100W fully commercial double-clad ytterbium-doped fiber products, and increased research and development efforts, making the output power to achieve 440W, reached the international advanced level.

Fiber laser as a representative of the third generation of laser technology, with unparalleled technical superiority of the other lasers. However, we believe, in the short term, the fiber laser will be mainly focused on the high end applications with the popularity of the fiber laser, reduced costs and increased capacity will eventually may replace the out of the world's most high-power CO2 lasers and the vast majority of YAG laser.

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What Is A Optical Power Meter

Used to measure the absolute Optical Power Meter or loss of some fiber optical power relative. Measuring the optical power in fiber optic systems is the most basic, very much like the electronics in the multimeter. Measurement of the optical fiber, optical power meter heavy duty commonly used table. Absolute power by measuring the emission-side machine or optical network, a power meter will be able to evaluate the performance of light-side equipment. Use a combination of optical power meter and stabilized light source, capable of measuring connection loss, test continuity, and help evaluate fiber link transmission quality.

Optical power in dbm, light-emitting and receiving optical power, usually light-emitting less than 0dbm, the receiver can receive the minimum optical power is called the sensitivity fiber-optic transceiver or switch instructions, to receive the maximum handheld optical power meter lessto the sensitivity of the value of the units are db (dbm dbm = db), known as the dynamic range of light-emitting power minus the receiver sensitivity is to allow the fiber attenuation value. Test the actual light-emitting power minus the actual value of the received optical power is the fiber attenuation (db). The receiver receives the optical power value is able to receive the maximum optical power of - (dynamic range / 2), but generally not so good. Each of the dynamic range of optical transceivers and optical modules, fiber concrete to allow the attenuation of how much depends on the actual situation. In general the attenuation allowed is about 15-30db.

Some instructions only two parameters of the luminous power and transmission distance, and sometimes attenuation per kilometer of optical fiber transmission distance calculated, mostly 0.5db/km minimum transmission distance divided by 0.5, is capable of receiving the maximum lightpower, received optical power higher than this value, the optical transceivers may be burned. Divided by 0.5, the maximum transmission distance is the sensitivity, if the received optical power is below this value, the link may be unreasonable.

Fiber connection in two ways, a fixed connection is a connection activity, a fixed connection is weld, using special equipment by the discharge, will melt the fiber so that the two fiber optic connectors together, the advantage is small attenuation, the disadvantage is* complex and inflexible. Active connection through the connector, usually in connection pigtail on the ODF, the advantage is * simple flexibility drawback is that the attenuation of large, in general, the attenuation of an active connection is equivalent to one kilometer fiber. Fiber attenuation estimation: including fixed and active connections per kilometer of fiber attenuation 0.5db, if the active connection is quite small, this value is 0.4db, pure fiber does not include an active connection can be reduced to 0.3db, the theoretical value pure fiber 0.2db/km; and for insurance most cases from 0.5.

Fiber-optic test TX and RX must be tested in the single fiber case because only one fiber, so we have only tested once. Single fiber of the principle according to production company stresses is wavelength division multiplexing, but I think that the higher the possibility of using optical fiber coupler.

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Introduction To Fiber Lasers

Fiber doped with rare earth elements for the development of Fiber Optic Laser amplifier has brought a revolutionary change in the field of Lightwave Technology. Any light laser amplifier can be formed through appropriate feedback mechanism, the fiber laser can be developed on the basis of the optical fiber amplifier. The development of fiber lasers doped rare earth elements of the optical fiber as the gain medium. Very fine fiber core fiber laser, fiber in the role of the pump light can easily form a high power density, resulting in the laser energy level of the laser material, "inversion". Therefore, when adding the appropriate positive feedback loop (composition of the cavity) can form a laser oscillation. In addition, the fiber matrix has a very broad fluorescence spectrum, fiber lasers in general can be made tunable, very suitable for WDM system applications.

We can be classified from different angles on the Fiber Optic Laser Tester, fiber laser cavity structure can be divided into two major categories of the Fabry-Perot cavity and the ring cavity. According to the number of output wavelength can also be divided into single wavelength and multi-wavelength. Characteristics of different types of fiber lasers should consider the following points: (1) the threshold should be as low as possible; (2) output power with a linear pump power is better; (3) The output polarization state; (4) The model structure; (5) energy conversion efficiency; (6) laser operating wavelength.

And semiconductor lasers, fiber lasers superiority: fiber laser waveguide structure that can accommodate strong pump, a high gain, high conversion efficiency, low threshold, the output beam quality, narrow linewidth, and a simple structureand high reliability features, easy to implement and fiber coupling.

And compared to the CO2 laser, CO2 laser applications in a more stable and large-format, faster machine, the fiber laser is mainly for 2mm below the surface for processing. The main advantage of fiber lasers: a fiber laser and CO2 laser wavelength between the difference of an order of magnitude, CO2 laser optical fiber transmission, fiber laser with fiber-optic transmission, greatly increasing the degree of processing flexibility; photoelectric conversion rate of fiber lasers up to 25% CO2 laser photoelectric conversion rate was only about 10% of electricity consumption, supporting the cooling system and other aspects of the advantages of fiber lasers is quite obvious.

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PLC splitter Market Analysis

Optical splitter is the core of the FTTH optical devices, and it bears great potential for growth, will become the main driver of growth of FTTX market, will undoubtedly optical communications manufacturing industry has brought vigor and challenges, but also to optical communications companiesbring again the rapid development of space.

At present, the construction of our FTTx (fiber access network) gradually carried out, the three operators and broadcasting system are determined to speed up the light into the copper, and promote the strategic transformation of the access network ideas to achieve FTTC (fiber to the curb) and FTTB (fiber to the building), FTTH (fiber to the home) FTTD (fiber to the desktop), triple play (voice, data networks, cable television) and other multimedia transmission and PDS (integrated wiring system) program. All-fiber network to be completed, in addition to a variety of structured wiring fiber optic cable, the introduction of fiber optic cable to fiber-optic network connecting and redistribution in the E-PON, G-PON technology, a large number of optical splitter is required to finalize the the purpose of FTTH.

FTTx system consists of three parts of the central office equipment (OLT), the user terminal equipment (ONU), Optical Distribution Network (ODN). ODN as an important part of FTTx systems, optical transmission physical channel between the OLT and ONU, usually by the optical fiber cable, optical connector, optical splitter, and the equipment installation and connection of these devices. ODF frame from the central office’s fiber distribution point of the feeder segment as a backbone fiber optic cable to achieve long reach; fiber distribution point to the wiring section of the user access point, user area along the feeder cable to the nearest distribution of fiber; user access point-to-end home segment butterfly drop cable, and all branches and contacts are connected by optical splitter to complete and achieve fiber to the home.

Optical splitter is the core of the FTTH optical devices, and it bears great potential for growth, will become the main driver of growth of FTTX market, will undoubtedly optical communications manufacturing industry has brought vigor and challenges, but also to optical communications companies bring again the rapid development of space. The arrival of the access network building boom, from the market at the present stage and future needs of development trend, the PLC optical splitter will become the main PON market is beyond reproach, he has the characteristics of digital, network, broadband, small and easy maintenance is the focus of future market demand.

PLC (optical splitter) market and industry conditions

PLC (optical splitter) is mainly used in the access network, passive optical network (PON), the central office with multiple users connected to the realization of FTTH. Global demand in 2008 was about 24 million channels, the total sales of $ 110,000,000, an average of $ 4.6? Channel. Global market to vary in different regions, Japan, South Korea for several years of rapid development, the number has stabilized, but still occupies half of the market share in North America accounts for 30% of the market share. China, India, Brazil and other developing countries, FTTH is the beginning of construction, will become the main growing point of the market.

In 2009, strong demand for optical components market, especially from the second quarter, the sales revenue for three consecutive quarters of growth. Products, 10G optical modules and PLC products the performance of a prominent, strong growth. 2010, in the second quarter, the passive components manufacturers orders in good condition, the market demand of about 600 million yuan, an increase of 16%. Operators to speed up FTTX deployments driven by domestic PLC device market has continued the strong growth in 2009, PLC splitter, AWG, product demand. Currently, fiber optic connectors, couplers, isolators, attenuators and other passive components market demand to maintain steady growth, but because of market competition intensified, prices continue to decline.

In operators, the three operators have clear requirements of FTTX networks all PLC optical splitter. From 2009 to 2010 China Telecom, China Unicom has two consecutive years of PLC splitter Jicai tender, 2010, China Mobile has begun to GPON use of all equipment, including PLC splitter set mining.

If we say that the 2009 annual optical device market growth of 3G factors, the 2010 growth factors FTTX factors. Although China is a large scale deployment of FTTX networks are still many obstacles, but the government decided to promote the triple play will FTTX delivering the power of the optical components market will also benefit. In the first half of 2010, the operators are active under the impetus of the FTTH construction as well as the 3G network construction, and January 13, 2010, Premier * chaired a State Council executive meeting, decided to speed up the elecommunications network, radio and television networks and Internet triple play this indicates that the government will begin to promote the deployment of FTTX network, the optical components market will benefit. ICCSZ forecast that in 2010 the optical components market will maintain steady growth of domestic market sales of passive components to maintain a rapid growth in the second quarter, domestic sales of passive components is about 700 million yuan, an increase of 17.8%. In the second quarter, the state has issued views on promoting the construction
of fiber-optic broadband network, accelerating the construction of fiber-optic broadband network; the current triple play pilot program has passed. These factors promote the further growth of the optical components market demand brought a lot of orders but also for the passive components manufacturers. At present, domestic FTTx network deployment to speed up the process PLC products as a core device of FTTX, will also receive a large number of applications, the optical components market demand will reach 3.6 billion yuan, an increase of 7.5%. Expected that the optical components market in China will continue to maintain growth in the second half of 2010.

PLC (optical splitter) Industry situation

At present, China is already the PLC device manufacturing power, global products are mostly manufactured in China and South Korea. Domestic produce optical splitter enterprises have one hundred or so (including foreign-funded enterprises), with production and R & D capacity of about 20 (from the China Telecom 2010 PLC Central Purchasing information, there were nearly one hundred companies participated in the Central Purchasing Tender ), which FiberHome Wuhan Accelink, Borch technology, rich photoelectric O’Connell optical communication devices, Wuxi love Wal-rich, Fuchunjiang photoelectric Japanese naval communications Shenzhen, Chengdu Fei Yang Technology, Shanghai Cheng, Datang communications (Kunshan), Nanjing Putian, PUSEN and other enterprises on a large scale production, in addition to chips purchased, others by own production. In addition, most of the enterprises, regardless of product variety and scale of production has not yet formed a major climate and part of the business is essentially the main body of the splitter to buy, and then added a jumper chieftain and case assembly mode.

All countries vigorously promote the engineering of FTTH, FTTx, domestic market demand for PLC splitter was with the depth of the construction of FTTx (fiber access network), the PLC optical splitter is the next step the passive components market the focus of the demand. In addition to the professional factory of optical devices to increase the intensity of development and increase productivity, the well-known large optical fiber and cable manufacturers in this regard to increase investment, active development of passive components products, while also adding production equipment, and as its technology and product reserves, prepared, planned market share, showing the importance of PLC optical splitter in the next few years on the market and all major optical components businesses, the emphasis of this project of optical fiber and cable companies. But not yet mastered chip technology, can only be purchased chip package or do OEM.

Market price movements in the PLC (optical splitter)

The future, China will account for the PLC splitter dominant market position, expected after three years account for 35% of the market. The core technology of the PLC-Splitter chip control in the hands of European, American and Japanese and Korean companies, domestic enterprises, the absence of core technology, the only developed the Fiber Array buy chips do package or directly to the chip company to do the OEM. Anything has two sides, increased demand is always accompanied by a decline in product prices, due to the influx of a large number of device packaging companies in this market, coupled with the three major operators of PLC optical splitter Central Purchasing, the market price will face a downward trend, with the increasing demand, prices will be getting lower and lower, the foundry business and by the packaging company’s profits will become increasingly thin. Figure 1 shows the price movements in the international PLC.

Fused Taper Fiber Splitters PK Planar Waveguide Splitter

There are two types of optical splitter to meet the need of spectral: a traditional optical passive device manufacturers to use the traditional tapered coupling process to produce fused taper fiber splitters (Fused Fiber Splitter), abased optical integration technology to produce a PLC splitter Both devices have their own advantages, according to different occasions and needs, a reasonable selection of these two different types of spectrophotometric device, the following twokinds of devices make a brief introduction for your reference.

Fused Fiber Splitter

Fused technology will be two or more fibers tied together, and then tapered on the melting stretch, and real-time monitoring of the splitting ratio changes, the splitting ratio to meet the requirements after the end of melt stretch one end to retain an optical fiber (the rest cut off) as input, the other end of the multi-output terminal. Mature pull cone technology can only pull the 1 × 4. 1 × 4 above the device, with more than 1 × 2 are connected together. Then the overall package in the splitter box, its advantages and disadvantages are analyzed as follows:

1, the main advantages:

(1) of the tapered coupler than 20 years of history and experience, many devices and processes only need to follow it, and development funds only a few tenth of the PLC and even a few hundredth, we do you can buy the core components, the development of the cost of almost.

(2) quartz plate, fiber, heat-shrinkable tube, stainless steel pipe, and less plastic raw material only readily available, a total of not more than one U.S. dollars investment in machinery and equipment less depreciation expense, 1 × 2,1 × 4 low-channel splitter low cost.

(3) The splitting ratio can be necessary real-time monitoring, you can create sub-ranging splitter.

2, the main disadvantages:

(1) sensitive to loss of light wavelength, generally according to the wavelength selection device, which is the fatal flaw in the triple-play using the process, because the optical signal in the triple-play transmission 1310nm, 1490nm, 1550nm, such as multiple wavelength signals.

(2) poor uniformity, 1X4 nominal maximum difference of about 1.5dB, 1 × 8 more than the difference between the greater and do not ensure uniform splitting, which may affect the overall transmission distance.

(3) the insertion loss varies with temperature changes in volume (TDL)

(4) multi-channel splitter (such as 1 × 16,1 × 32) of the volume is relatively large, the reliability will reduce the installation space is limited.

PLC Optical Power Splitter

Planar optical waveguide technology is the optical waveguide branch devices with semiconductor process, the function of the shunt on the chip, to achieve the above shunt up to 1x32 on a chip, the chip at both ends, respectively, coupled to encapsulate the input and outputend multi-channel fiber array.Fiber Optic Tester

1, the main advantages:

(1) wear and tear on the transmission wavelength of light is not sensitive to meet the needs the transmission of different wavelengths.

(2) spectrophotometric uniform, the signal can be assigned to the user.

(3) The compact structure, small size, can be installed directly in a variety of transfer of the box, without specially designed to stay a great deal of installation space.

(4) single device shunt channel can reach more than 32.

(5) multi-channel, low cost, points more and more large ones, the more obvious cost advantage.

2, the main disadvantages:

(1) complex device fabrication process, high technical threshold, the current chip monopolized by several foreign companies, domestic enterprises to be able to the production of large quantities of packaging and only a small few.

(2) relative to the higher cost of fused cone splitter, especially in the low-channel splitter at a disadvantage.

Available in the market pattern analysis

From the existing market the finished product of the optical splitter, are broadly similar, on the whole can be divided into monomer and a rack of two major categories:
From the package: monobloc roughly the same, but in the size difference, is in line with their own characteristics and the foregoing description; the ideas of the PLC of the Splitter in the package are broadly similar to the pursuit of the small size, which is in line with its ownsmaller form factor; while the volume of fused biconical taper fiber optic splitter, the installation should be considered in the wiring box placed in space and installation;

Rack of the company's products are more or less reflects the characteristics of the respective package, a direct extension of the ODF optical wiring unit, similar to fiber-optic wiring box; which the adapter installation location front, rear; installation with a fixed installation location, such as standard 19 "rack mount; slot high density modular package.

2 From the installation environment: the combination of FTTH solutions of view, the monomer style splitter is mostly used in the terminal small-capacity optical distribution and location are generally in the light wiring box or cabinet, and now some or new buildings, the weak wells or public space to install the wiring box or cabinet is very narrow, so the size of the wiring box or cabinet will not be great, so that space and installation location is very limited, the appearance will not have too many requirements, the size of the device should be the focus. Rack is used for ODF cabinet or rack, more often the bigger capacity of the fiber fused with, in the process of implementation of the project, more focus should be high-density, large capacity, easy operation, convenient management.

3, from the performance comparison: Both devices have their own advantages in price and performance, two kinds of technology are escalating, and continue to overcome their own shortcomings. Pull the cone splitter is to solve the problem of one-off tapered to a small number and poor uniformity; waveguide splitter is also reducing costs to make unremitting efforts, the two devices in more than 1X8 costs have almost the same, with the sub-channels of the planar waveguide splitter better prices. How to use these two devices, the key from the use situations and user needs to consider. In size and wavelength of light is not very sensitive applications, especially in less shunt, more affordable choice of a tapered optical splitter, such as independent data selection 1310nm tapered splitter TV Video Network Select a the 1550nm tapered splitter; in the triple play, FTTH optical transmission of multiple wavelengths and users more occasions should be used in the waveguide splitter. 

PON Optical Power Meter-Joinwit JW3212

PON Optical Power Meter-Joinwit JW3212
This new PON power meter aims at the FTTx application and maintenance which can be used to test and estimate the signals of the voice, data and video at the same time. It is an essential and ideal tool for the construction and maintenance of the PON projects.

Features
Providing simultaneous measurement at all three wavelengths on the fiber (1490nm, 1550nm,1310nm )
Used in Burst mode measurement of 1310nm upstream
USB communication port enables data transfer to a PC
1000 measurement items can be saved in JW3212 PON power meter or computer for data review.
JW3212 PON power meter offers up to 10 different threshold sets in total; Three status LEDs represents different optical signal conditions of Pass, Warn and Fail respectively.
User self-calibration can be performed and “Factory Default” mode can be retrieved in computer through the software.
PON SC standard connector, easy to test
Backlight LCD display supports night operation.
Alternative 10 minutes Auto-off function conserving battery life
Specifications
Item:1310nm upstream measurement
Specifications
Pass zone (nm):1260~1360
Isolation @1490/1550nm(dB):>40
Measurement Range (dBm):-40~+10
1490nm downstream measurement
Pass zone (nm):1470~1505
Isolation @1550nm(dB):>30
Isolation @1310nm(dB):>40
Measurement Range (dBm):-40~+10
1550nm downstream measurement
Pass zone (nm):1535~1570
Isolation @1490nm(dB):>40
Isolation @1310nm(dB):>40
Measurement Range (dBm):-40~+20
Measurement Accuracy
Connatural Uncertainty (dB):±0.5
Linearity (dB):±0.1
Passing through insertion Loss (dB):<1.5
General Information
Display:Graphic display, Resolution is : 128*64
Measurement Unit:DBm, dB, mW, and uW
Resolution:0.01dB
Fiber Type:9/125um
Input Power Range:DC 6.5V~8.5V
Rechargeable Battery:7.4V
AC adaptor:8.4V
Operating Temperature:-10℃ ~ +60℃
Storage Temperature:-25℃ ~ +70℃
Dimensions:210X115X55
Standard Package:JW3212 PON Power Meter, Protective Rubber Boot, Rechargeable battery, Power Supply Adaptor, User Manual and Cotton Swabs, USB Cable, Rigid carrying case can be optional.
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The Five Key Technologies Of The Fiber Laser

Special fiber-optic technology
All-fiber lasers need to use double-clad active fiber, double clad photosensitive fiber, energy transmission fiber and a variety of specialty optical fiber, with the continuous improvement of output power, more and more to the technical requirements of the special fiber, therefore, specialthe development of the fiber will play an important role in the development of fiber lasers. Photonic crystal fiber as the representative of a new generation of special optical fiber will be gradually applied in the development of fiber lasers. Development of special optical fiber, the gain will make the active fiber optic, bear the greater power density, the absorption of the pump light is more effective; will allow the grating make it easier, better stability of the grating, the grating in the optical fiber the more extensive the use of lasers; will enable energy transmission fiber can transmit higher power, high-power laser can transmit longer distances can be transmitted in the wavelength range is expanding; will pump coupling is more easily achieved, can withstand higher pump power and, the loss is smaller.Visible Fiber Laser
Cladding pump coupling technique
All-fiber laser cladding pumped coupling technique for determining fiber laser performance and level of an invaluable role. Optical fiber for high-power all-fiber lasers pumped coupled devices and fiber optic power synthesis devices are used in high power conditions, the coupling efficiency must be high, the loss must be very small, a great power must bear, and the input light of the large ones also need as much as possible. So many extreme conditions, the production quality pump coupling device and the power combiner device to a high degree of difficulty, but a variety of ways and means to achieve this is a challenging technology. Requirements of the pump coupling device from the trend of the development of high-power fiber lasers, the pump light coupled into the inner cladding, with minimal impact and damage to the core of the double-clad fiber, because the only way to not affect the cascade pump, signal generation and transmission of the laser to achieve ultra-high power output. This paper argues that the development of pump coupling technology with minimal impact on the core is the development direction of the pump coupling device. For fiber optic power combining devices, the pursuit of the goal is to continually improve the synthesis of optical power.
Fiber grating technology
Fiber Bragg grating all-fiber laser, the current role of the reflective core of the signal laser resonant cavity is formed, However, with the further development of fiber lasers, fiber Bragg grating in the fiber laser will be new uses, thus the fiber gratingproduction technology present new challenges, one of the noteworthy direction is to produce high quality large core diameter multimode fiber fiber grating.
Diode-pumped laser technology
Diode-pumped lasers are key components in fiber laser, fiber laser reliability, longevity and production costs is essential to develop a single wide light-emitting head of life pumped semiconductor laser has become one of the fiber laser diode-pumped laserkinds of trends, and constantly improve a single laser output power, continue to reduce costs and further improve the reliability is the key, in which improvement and innovation package structure should be the core work, also high because the proportion of packaging costs.
Fiber laser machine technology
All-fiber laser machine design and production knowledge, content, technology, technology, experience and KnowHow more all-fiber laser design and making the most of the core, the most critical technology, especially in new high-power fiber lasers the history of the development is still quite short today, there are a lot of pioneering work to be done. Machine design and production of fiber lasers requires not only the rational design of application-oriented, but also shoulder the whole structure and program improvement and innovation in the important task of shouldering the important parts and critical technology improvement and innovation in the important task. Worldwide design and production of fiber-optic laser machine manufacturers are a lot of investment in innovation.
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Fiber Lasers Improve Seven Reasons

What promoted the rapid development of fiber lasers, in fact, the reason is very simple, because now the society is a technological device, high-tech competition is very intense, not eliminated is the destruction, so we for development and progress.Visible Fiber Laser
(1) because of its very nature, the fiber is largely rely on self-cooling, thus reducing the thermal lens effect, and simplifies the laser design. Benign thermal factors means that the cooling requirements are not like the other heap pumped by semiconductor diode bars and semiconductor diode lasers are designed to be as harsh.
(2) as the pump source, single-emitter pole pump diode semiconductor diode bars and semiconductor diode reactor have the advantages of more reliable than The life of the pump diode is usually greater than 100,000 hours, and not require replacement during the life of the continuation of the processing system of the entire laser marking machine. The high intensity of the aging test to further improve reliability.
(3) in-depth scientific research to increase the heat load of the fiber, without any thermal decay or light-induced absorption effect and the influence of stimulated Raman scattering (SRS), which previously, these are often perceived as a limiting factor of the fiber laser , is now only for high average power lasers in terms of the
4 Increase the diode pump power and improve the efficiency of the pump to a higher average power.
Variety of fiber diameters and plug and play fiber optic available to all types of space energy distribution; small single-mode Gaussian fiber for cutting, drilling, large diameter multimode fiber used for welding or surface treatment. A continuous-wave single-mode fiber laser with an example, 50 micron diameter fiber, you can very simply into a welding laser cutting laser, focusing optics need to do is simply replace the terminal.
6 can transmit up to 25 kilowatts of power fiber adapter. Developed a fiber laser power beam switch for fiber-to-fiber connection can be up to six channels, the switching time of less than 10 milliseconds. For each channel to provide a visible red alignment beam.
More high-speed electronic components, advanced interface, control, and network software have been developed.
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Visual Fault Locator Locates Fault up to 5 km in Fiber

The fault locator is commonly used for applications in telecommunication, LAN, WAN, fiber data links and CATV systems. It is also an ideal solution for examining most patch cords and ribbons or bunched pigtails in the installation and maintenance of fiber optic networks.
fiberstore.com has announced the availability of its visual fault locator which conducts tests in both single mode and multi-mode fibers. The fault locator is commonly used for applications in telecommunication, LAN, WAN, fiber data links and CATV systems. It is also an ideal solution for examining most patch cords and ribbons or bunched pigtails in the installation and maintenance of fiber optic networks.
This portable visual fault locator, model 08211, supports end-to-end visual fiber identification and mechanical fusion splice optimization. It easily identifies the cutting, micro-bending of the optic fiber through the jacket fiber and provides a maximum measurement distance of 5km. The 650nm visible laser source emits a bright beam of laser light into a fiber to allow users to see a break as a glowing or blinking red light. In addition, the rugged locator offers a FC optical connector and a universal 2.5mm adaptor; it works continuously for 30 hours when it is fully charged.
And want to know more Visual Fault Locator information please Vist http://www.fiberstore.com to purchase this product online.