Tunable optical parametric oscillator

Details Tunable optical parametric oscillator Tunable optical parametric oscillator

1995-01-19

1996-11-26

Lee, John D.

Optical: systems and elements

Optical frequency converter

Parametric oscillator

372 20, 372 22, G02F 139

Patent

active

055791522

ABSTRACT:
A broadly tunable femtosecond optical parametric generator includes a cavity having a pumping section in which is located a nonlinear crystal selected from the group CTA and RTA, cut for noncritical phasematching. The plane of the optical x axis and or the optical y axis of the crystal is aligned with the axis of the pumping section. A Ti:S laser pumping beam is directed into the pumping section either collinearly or noncollinearly with the pumping section axis and impinges on the crystal to produce signal and idler beams. The laser is tunable to produce OPO output beams between about 1 and 4 .mu.m.

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