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US07200302B2 Planar lightwave Fabry-Perot filter 失效
平面光波法布里 - 珀罗滤镜

Planar lightwave Fabry-Perot filter
摘要:
An optical filter includes a first mirror, a cavity coupled to the first mirror, and a second mirror coupled to the cavity. The first and second mirrors are formed of periodic trenches etched into the surface of a waveguide.
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