Semiconductor laser optical system

Details Semiconductor laser optical system Semiconductor laser optical system

1988-07-07

1991-02-19

Arnold, Bruce Y.

350401, G02B 530, G02B 2728

Patent

active

049938126

ABSTRACT:
An optical system featuring a semiconductor laser for oscillating a beam which has, in a far field pattern, two lobes in the direction aligned with a pn junction interface of the semiconductor laser. The optical system is provided with a total reflection mirror for reflecting part of the beam in such a manner that one of the two lobes is separated as a result of the reflection of part of the beam from the other, and with a polarization beam splitter having a junction for synthesizing rays in such a manner that the lobes which have been separated by the total reflection mirror are superimposed. The apparatus is thus capable of forming a single beam spot at which the two lobes are superimposed.

REFERENCES:
patent: 4170401 (1979-10-01), Yoder, Jr. et al.
patent: 4370026 (1983-01-01), Dubroeucq et al.
patent: 4776678 (1988-10-01), Barthelemy et al.
patent: 4791650 (1988-12-01), Tatsuno et al.
patent: 4822151 (1989-04-01), Tatsuno et al.
Scifres et al.; "Focusing of a 7700-.ANG. High Power Phased Array Semiconductor Laser"; Applied Physics Letters 41 (12); Dec. 15, 1982; pp. 1121-1123.

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