FIELD: optical engineering. SUBSTANCE: device has planar optical wave guide and branching member manufactured from light-transparent material. The branching member is prism- shaped of preferentially trihedral type. The prism is pressed against the wave guide with its lateral surface and is spring-loaded relative to it to allow the pressure force to be adjusted. The light guide inlet end is beveled corresponding to the critical angle for total reflection. Prism plane that is not directed towards the planar optical wave guide inlet end makes an angle of less than 90 deg with the plane pressed against the wave guide. EFFECT: enhanced effectiveness in controlling light power transfer. 1 dwg
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Authors
Dates
2002-06-10—Published
2000-01-17—Filed