| 摘要 |
PCT No. PCT/JP90/01038 Sec. 371 Date Apr. 16, 1991 Sec. 102(e) Date Apr. 16, 1991 PCT Filed Aug. 15, 1990 PCT Pub. No. WO91/03000 PCT Pub. Date Mar. 7, 1991.A guided wave light-beam deflector enabling variation of laser light transmission direction with a large deviation, which has means for deflecting light in a plane parallel to an optical waveguide, and a grating as an output section disposed on the surface of or inside the waveguide and having an inclination with respect to a direction crossing at right angle to transmission direction of the guided wave, whereby light is deflected out of the plane parallel to the waveguide.
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