he Techwin Polarization Extinction Ratio Meter PER-M500 is a state-of-the-art optical measuring instrument designed for precise detection and analysis of polarization-maintaining devices. Developed by Techwin (China) Industry Co., Ltd, this advanced benchtop tester is a culmination of years of expertise in optical device testing. It is engineered to accurately measure the polarization extinction ratio (PER) of various components such as polarization-maintaining fibers, devices, and connectors. Additionally, it evaluates the degree of polarization of light sources and the angle of the polarization axis, making it an indispensable tool for professionals in the field of optical testing. 

The PER-M500 stands out with its superior precision and ease of use. Its robust upper computer software offers powerful functionalities that simplify the testing process. Users can effortlessly measure the extinction ratio of polarization-maintaining fibers and devices, ensuring high accuracy in their analyses. The user-friendly interface supports multiple channels for simultaneous measurement, enhancing efficiency and productivity. The instrument also accommodates interchangeable interfaces such as FC, SC, and LC, providing flexibility for various testing scenarios. 

With a maximum PER of up to 50dB, the Techwin PER-M500 offers exceptional dynamic range and resolution, making it a reliable choice for complex optical measurements. Its support for free space input and RS232 interface ensures seamless integration into existing systems. The meter is compatible with a wide range of wavelengths, from 840-950nm to 1260-1630nm, catering to diverse testing requirements. Whether you are assessing the alignment of polarization axes or monitoring fusion splices, the PER-M500 delivers consistent and accurate results, reinforcing its position as a leader in optical measurement technology.