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Acousto-optic crystal optical waveguide and acoustic wave sensor having the same
Acousto-optic crystal optical waveguide and acoustic wave sensor having the same
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机译:声光晶体光波导和具有该声光传感器的声波传感器
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摘要
An acousto-optic crystal optical waveguide is applicable to an acoustic wave sensor for sensing acoustic wave, wherein the acousto-optic crystal optical waveguide includes an acousto-optic crystal core and an inner cladding layer covering the acousto-optic crystal core. The acoustic wave is able to change the refraction index of the acousto-optical crystal optical waveguide to make a light beam with specific wavelength refracting to outside of the acousto-optic crystal waveguide when a light beam transmits through the acousto-optic crystal optical waveguide. Objective of acoustic wave sensing is achieved by detecting wavelength and intensity variation of the light beam transmits through the acousto-optic crystal optical waveguide.
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