Coherent light generators – Particular active media – Semiconductor
Patent
1987-11-13
1988-09-27
Sikes, William L.
Coherent light generators
Particular active media
Semiconductor
357 19, H01S 319
Patent
active
047747110
ABSTRACT:
A semiconductor laser apparatus comprising a plurality of laser elements comprising an array, a plurality of photodetector elements respectively corresponding to the plurality of laser elements, and a light shield member. Each laser element is adapted to generate a laser beam in two directions. Each photodetector element is adapted to receive a laser beam from a laser element. The light shield member prevents the light generated by each of the plurality of laser elements from entering photodetectors other than those to which they correspond.
Canon Kabushiki Kaisha
Epps Georgia Y.
Sikes William L.
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