Laser diode assemblies

Details Laser diode assemblies Laser diode assemblies

2008-03-28

2010-06-08

Harvey, Minsun (Department: 2828)

Coherent light generators

Particular temperature control

Heat sink

C372S093000

Reexamination Certificate

active

07733932

ABSTRACT:
Laser diodes (120) emit laser beams along a vertical YZ plane at different distances from the YZ plane. The beams are collimated in their fast and slow axes, and are redirected by turning mirrors (162) to form a beam stack (130C) traveling along the XZ plane. The beam stack is turned by about 90°, then converged by a focusing lens (174) into an optical fiber (180). A compact assembly is thus provided. Each laser diode (120.i), its collimating optics (154.i, 158.i, i=1, 2, . . . ) and its turning mirror (162.i) are rigidly attached to a flat, heat-spreading surface (144.i) and thus remain aligned with each other in thermal cycling.

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Fan, T.Y.; Sanchez, Antonio, “Pump Source Requirements for End-Pumped Lasers,” IEEE Journal of Quantum Electronicx, vol. 26, No. 2, Feb. 1990, pp. 311-316.

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