RD-MS-Dual-1×2-PM-M-780-90-10-FA-TTL PM Dual 1×2 MEMS Optical Switch is a high-performance polarization-maintaining fiber optical switch based on Micro-Electro-Mechanical Systems (MEMS) technology. It is specifically designed for fiber optic communication and sensing applications requiring strict polarization state maintenance. Featuring an advanced micro-mirror drive architecture, it offers ultra-low insertion loss, high extinction ratio, fast switching speed, and exceptional reliability. It is widely used in fiber optic sensing systems, precision optical measurement, laser scanning microscopy, Fiber Bragg Grating (FBG) monitoring, polarization-sensitive optical path switching, and other demanding applications.