Optical waveguide device and its manufacture
专利汇可以提供Optical waveguide device and its manufacture专利检索，专利查询，专利分析的服务。并且PURPOSE:To improve characteristics and to reduce cost by arranging a diffraction grating on one surface of a grating substrate used separately from a main substrate and constituting an optical deflecting means, and arranging it on an optical waveguide so that the diffraction grating contacts the light guide. CONSTITUTION:An optical deflector 12 has the diffraction grating 23 formed on the grating substrate 22 prepared separately from the main substrate 21 and the material of the grating substrate 22 is preferably glass, etc., having a lower refractive index than the light guide 2. The light guide 2 should have a high refractive index. The optical deflector 12 is arranged on the light guide so that the diffraction grating 23 contacts the light guide 2, the position of the optical deflector 23 is so adjusted that a photodetector array 8 performs the best detection, and the optical deflector 12 is fixed to the light guide 2 after the position is determined. For the purpose, excellent characteristics of the diffraction grating are selected in the optical deflecting means and used, so that the main substrate side where the light guide is formed is not wasted.，下面是Optical waveguide device and its manufacture专利的具体信息内容。
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