Notice of Corporate Name Change - 

Adamant Namiki Precision Jewel Co., Ltd. will change its name on Jan. 1, 2023.

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Variable Optical Attenuator

Variable Optical Attenuator

ADAMANT's MEMS (Micro Electro Mechanical System) Variable Optical Attenuators (VOAs) are designed for latest optical network systems with providing low insertion loss, wide attenuation range, flat wavelength dependence and low polarization dependence loss. The operating voltage only needs less than 5V for driving up to maximum attenuation range. The VOA has our original robust structure MEMS chip which is patented design. It never happen pull in effect and sticking the mirror during operation. The MEMS chip is hermetic sealed in the metal package by our perfect welding technology to provide high reliability.

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