Request InfoGuilin GLSUN Science and Tech Group Co. Ltd.GLsun Science and Tech Co. Ltd. has announced the Micro-Electro-Mechanical System Variable Optical Attenuator (MEMS VOA), a precise and adjustable voltage-driven optical component. The device features a MEMS chip. Driving voltage produces electrostatic force to drive the chip's micromirror, then adjusting output optical power. 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