Intracavity frequency-converted optically-pumped semiconductor l

Details Intracavity frequency-converted optically-pumped semiconductor l Intracavity frequency-converted optically-pumped semiconductor l

1999-08-20

2000-12-26

Scott, Jr., Leon

Coherent light generators

Particular beam control device

Nonlinear device

372 45, 372105, 372 20, 372 93, H01S 310

Patent

active

061670685

ABSTRACT:
An intracavity, frequency-doubled, external-cavity, optically-pumped semiconductor laser in accordance with the present invention includes a monolithic surface-emitting semiconductor layer structure including a Bragg mirror portion and a gain portion. An external mirror and the Bragg-mirror portion define a laser resonant-cavity including the gain-portion of the semiconductor layer structure. A birefringent filter is located in the resonant-cavity for selecting a frequency of the laser-radiation within a gain bandwidth characteristic of semiconductor structure. An optically-nonlinear crystal is located in the resonant-cavity between the birefringent filter and the external mirror and arranged to double the selected frequency of laser-radiation.

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