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Bragg grating, and spectroscopy device including the Bragg grating
Bragg grating, and spectroscopy device including the Bragg grating
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机译:布拉格光栅以及包括该布拉格光栅的光谱装置
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摘要
Provided are a Bragg grating and a spectroscopy device including the same. The Bragg grating is disposed at each of opposite ends of a resonator for reflecting light of a certain wavelength band and includes a core member extending from a waveguide of the resonator in a lengthwise direction of the waveguide; a plurality of first refractive members protruding from the core member and spaced apart from each other along the lengthwise direction; and a second refractive member filling spaces between the first refractive members and having a refractive index different from a refractive index of the first refractive members.
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