Coherent light generators – Particular temperature control – Heat sink
Patent
1997-11-12
1999-11-16
Davie, James W.
Coherent light generators
Particular temperature control
Heat sink
372 34, 372 50, 362250, 347238, 347237, H01S 304, H01S 3043, H01S 319
Patent
active
059870435
ABSTRACT:
An array of laser diodes, or laser diode bars, is formed by positioning adjacent diodes or bars in an offset or staircase arrangement where the emitting facets of adjacent diodes, or bars, are in different planes. The offset arrangement permits the light from adjacent facets to be separated a distance q much shorter than permitted by prior art stacking arrangements because thermal and mechanical constraints characteristic of prior art stacks, are relaxed considerably in the offset arrangement. Power densities of 2000 watts/cm.sup.2 (cw) are achieved with spacings of 0.6 mm between adjacent laser bars, a ten fold increase in power density over in-plane (prior art) positioning of like components.
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patent: 5311536 (1994-05-01), Paoli et al.
patent: 5337074 (1994-08-01), Thornton
patent: 5519596 (1996-05-01), Woolverton
patent: 5521931 (1996-05-01), Biegelsen et al.
patent: 5576752 (1996-11-01), Kovacs et al.
patent: 5631918 (1997-05-01), Kovacs et al.
Brown Dennis James
Caffey David Pace
Gupta Shantanu
Davie James W.
Kim Sung T.
Opto Power Corp.
Shapiro Herbert M.
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