Reflection grating

Details Reflection grating Reflection grating

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G01B 5/18 (2006.01) G02B 6/12 (2006.01) G02B 6/124 (2006.01) G02B 6/30 (2006.01) G02B 6/34 (2006.01)

Patent

CA 1257792

ABSTRACT: "Reflection grating." A planar reflection grating is described which is suitable for use in an optical multiplexer or demultiplexer. This grating comprises a periodic structure of elongate areas which are formed at constant distances from each other in a thin light-conducting layer deposited on a substrate. In their longitudinal directions the areas have periodic excursions, corresponding portions of the areas extending parallel to each other. (Fig. 1).

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