Optical integrated spectrum analyzer
专利汇可以提供Optical integrated spectrum analyzer专利检索，专利查询，专利分析的服务。并且PURPOSE: To obtain a high-reliability, high-performance optical integrated spectrum analyzer by using a refractive index modulation type diffraction grating reflecting mirror in which the refractive index of an optical waveguide medium is varied periodically as the 1st and the 2nd optical waveguide reflecting mirrors.
CONSTITUTION: Interference fringes formed between a divergent cylindrical wave 4 having its center at a point C on the 1st end surface and parallel luminous flux 6 are calculated from the position where the 1st diffraction grating reflecting mirror 17 is installed, and a mask pattern which shields only dark parts according to a light/ dark pattern formed of the interference fringes is stuck previously on the surface of a dielectric substrate 1 which has an optical waveguide 2; and the refractive index is varied according to the light/dark pattern and the mask is removed to obtain the refractive index modulation type diffraction grating reflecting mirror. The 2nd diffraction grating reflecting mirror 18 is manufactured similarly to the 1st diffraction grating reflecting mirror 17 by using the light/dark pattern of interference fringes formed between a convergent cylindrical wave 8 having its center at a point A on the 2nd end surface 14 and the parallel luminous flux 6 as a mask pattern. The 1st and the 2nd diffraction grating reflecting mirrors are regarded as one kind of reflection phase type volume hologram and light is converted on the point A of a photodetector array without any aberration.
COPYRIGHT: (C)1987,JPO&Japio，下面是Optical integrated spectrum analyzer专利的具体信息内容。
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