发明授权
US5109462A Light wavelength converter 失效
光波长转换器

Light wavelength converter
摘要:
A light wavelength converter which includes a light source for emitting fundamental waves having a desired wavelength, a first loop-shaped optical waveguide for converting the fundemental waves into harmonics, and a second optical waveguide for receiving the light from the source, wherein the two waveguides are coupled by an optical directional coupler.
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