1. Product Title PM Variable Optical Attenuator (VOA), 1CH, 780–1550 nm 2. Product Overview GracyFiber PM Variable Optical Attenuator (PM VOA) is a single-channel polarization-maintaining optical component designed for precise adjustment of optical power while maintaining the polarization state of the transmitted light. The device uses PM Panda fiber and a precision mechanical design and supports key operating wavelengths including 780/850 nm, 980/1064 nm, and 1310/1480/1550
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