shenzhen optics forest Co.,Ltd

shenzhen optics forest Co.,Ltd



Craftsmanship in creating PM Variable Optical Attenuator

2024-07-23 10:25:57

The polarized maintaining fiber manual adjustable attenuator (PM VOA, Polarization Maintaining Variable Optical Attenuator) serves multiple critical purposes in the field of optical fiber communication and related technologies. Here is an overview of its main applications:


Optical Power Calibration and Balancing:


In optical fiber communication systems, variations in optical power between different paths or devices can lead to signal distortion or reduced performance. The PM VOA enables precise adjustment of optical power across various channels, achieving a balanced and calibrated optical power to ensure stable and reliable system performance.


System Testing and Debugging:


During the testing and debugging phases of optical fiber communication systems, the attenuator is used to simulate transmission lines with different lengths or loss conditions. By manually adjusting the attenuation, it tests the system's response under various attenuation conditions, enabling the discovery and optimization of potential issues.


Optical Sensing and Measurement:


In optical sensing and measurement applications, the PM VOA adjusts the intensity of optical signals to meet the specific requirements of sensors. By precisely controlling the attenuation, it ensures that sensors receive the appropriate intensity of optical signals, thereby improving measurement accuracy and reliability.


Fiber Component and System Evaluation:


When evaluating the performance of fiber components (such as connectors, couplers, etc.) or entire fiber systems, the attenuator simulates actual loss conditions. By adjusting the attenuation, it mimics system performance under different loss scenarios, providing essential references for product design, testing, and optimization.


Research and Education:


In optical research, teaching, and experimentation, the PM VOA is an indispensable tool. It helps researchers and students gain a deeper understanding of optical signal attenuation characteristics, polarization maintenance performance, and fiber system operating principles. Through hands-on operation and attenuation adjustment, they can observe changes in optical signals and system responses, enhancing their mastery of optical fiber communication technology.


In summary, the polarized maintaining fiber manual adjustable attenuator has wide-ranging applications in optical fiber communication, optical sensing, optical measurement, as well as research and education. It not only enhances system performance and stability but also provides valuable support for product design, testing, and optimization.




Shenzhen optics forest Co.,Ltd specialize in the production of manually adjustable attenuators for single-mode fibers, multi-mode fibers, and polarization-maintaining fibers.



Specifications

Parameter

Unit

 Value

Center  Wavelength

nm

1310

1550

Operating Wavelength Range

nm

±30

Attenuation range 

dB

0.8 ~ 60

Original loss 

dB

0.5

Return loss 

dB

 50

Adjustment Precision 

dB

0.02

Fiber type

 

PM1310 or PM1550

Typ. ER at Tr*

dB

22

PDL 

dB

≤0.1

Power handling(CW)

 

500

Dimensions (mm)

mm

26×18×8

Operating Temperature

°C

-5  to +70

Storage Temperature

°C

-40 to +85



If you have any questions or inquiries, please write an email to us.  E-mail:sales@of-gl.com 



Get Quote Now

Put forward your needs, we will try our best to meet them, and make customers satisfied is our eternal pursuit