Coherent light generators – Particular active media – Semiconductor
Patent
1987-12-02
1989-09-26
Sikes, William L.
Coherent light generators
Particular active media
Semiconductor
372 18, 372 20, 372 23, 372 29, H01S 319
Patent
active
048706515
ABSTRACT:
A semiconductor light-emitting apparatus comprising a semiconductor laser array device with a plurality of lasing filaments and a mode-mixing device with a striped optical waveguide that attains an optical phase-coupling with the semiconductor laser array device, whereby beams from the semiconductor laser array device are emitted from the light-emitting facet of the semiconductor light-emitting apparatus via the mode-mixing device, thereby attaining a near-field pattern with a minimized ripple rate on the optical intensity.
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Taneya et al., (1985) Appl. Phys. Letters 47(4):341-343 "O.degree. Phase Mode Operation . . . Branching Waveguide").
Cullus et al. (1979) Journal of Physics 12 (8):688-689; "A Device for Laser Beam Diffusion and Homogenisation".
Patent Abstracts of Japan 8 (68), P-264, 1505, Mar. 30, 1984; "Semiconductor Laser Module"; Morimoto.
Matsumoto et al. (1985) J. Appl. Phys. 58 (7):2763-2785; "Stable Supermode Operation in Phase-Locked Laser Diode Arrays with Three Index Waveguides".
Matsui Sadayoshi
Matsumoto Mitsuhiro
Taneya Mototaka
Sharp Kabushiki Kaisha
Sikes William L.
Thi Vo Xuan
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