Semiconductor laser array apparatus

Details Semiconductor laser array apparatus Semiconductor laser array apparatus

1988-07-22

1990-04-03

Davie, James W.

Coherent light generators

Particular active media

Semiconductor

372 29, 372 46, 372 48, 372 49, H01S 319

Patent

active

049146696

ABSTRACT:
A semiconductor laser array apparatus comprising a single substrate and a plurality of semiconductor laser devices that are disposed with a given pitch on the substrate, some of the semiconductor laser devices constituting laser devices of a laser oscillation-operating area of the semiconductor laser array apparatus and the other semiconductor laser devices constituting laser devices of the non-laser oscillation-operating areas that are positioned outside of the laser oscillation-operating area, wherein the oscillation threshold current level of at least one of the semiconductor laser devices of each of the non-laser oscillation-operating areas that is the closest to the laser oscillation-operating area is higher than those of the semiconductor laser devices of the laser oscillation-operating area.

REFERENCES:
patent: 4772082 (1988-09-01), Matsui et al.

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