Optical parametric oscillator with porro prism cavity

Details Optical parametric oscillator with porro prism cavity Optical parametric oscillator with porro prism cavity

1997-10-06

1998-07-14

Healy, Brian

Coherent light generators

Particular beam control device

Nonlinear device

372 69, 372 70, 372 72, 372 92, 372 99, 372100, 359330, 359346, H01S 310, G02F 135

Patent

active

057815712

ABSTRACT:
An optical parametric oscillator or OPO (20) includes an elongated resonant cavity (22) for signal light, having a parametric gain medium (28) disposed therein for converting pump light to signal light. The resonant cavity has a output coupling device (26) at one end thereof and a Porro prism (24) at the opposite end thereof. The OPO includes an optical arrangement (30, 39 and 40) for directing pump light to make counterpropagating initial and return passes longitudinally through the gain medium at an angle (36) to the axis (23) of the resonant cavity.

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Copy of International Search Report from a foreign patent office, issued in a counterpart application.

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