Semiconductor laser array device

Details Semiconductor laser array device Semiconductor laser array device

1988-06-07

1989-08-08

Sikes, William L.

Coherent light generators

Particular active media

Semiconductor

372 36, 372 97, 372 46, 357 81, H01S 319

Patent

active

048560154

ABSTRACT:
A semiconductor laser array device has a relatively wide light-emitting area with many semiconductor lasers and a shielding layer selectively disposed with respect to peripheral regions of the light-emitting area such that the rate of heat emission from the center part can be increased relative to that from the peripheral regions. Temperature distribution on the light-emitting area can thus be made uniform and laser light can be emitted from the entire laser emitting area under a phase-synchronized condition.

REFERENCES:
patent: 4589116 (1986-05-01), Westermeier
Taneya et al., "Phased-Array with YY Shaped Symmetrically Branching Waveguide (SBW)", Japanese Journal of Applied Physics, Jun. 1986, (25) pp. 432-434.

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