Multi-port optical parametric oscillator

Details Multi-port optical parametric oscillator Multi-port optical parametric oscillator

2007-03-30

2009-02-03

Pak, Sung H (Department: 2874)

Optical: systems and elements

Optical frequency converter

Parametric oscillator

C372S022000, C372S098000, C372S105000, C359S326000

Reexamination Certificate

active

07486435

ABSTRACT:
An optical parametric oscillator includes a source of coherent energetic pump optical signals and an optical resonator cavity which includes a set of optical parametric amplifying (OPA) crystals and a set of optical elements such as mirrors disposed along an optical path. The optical elements are configured (1) to direct an oscillation optical signal generated by the OPA crystals along the optical path, (2) to provide input coupling of the energetic pump optical signals such that each energetic pump optical signal travels through only one of the OPA crystals to result in a corresponding depleted pump optical signal, and (3) to provide output coupling of the depleted pump optical signals to prevent each depleted pump optical signal from traveling through more than one of the OPA crystals. Resonator cavities have multiple-leg configurations, including “L” and “U” shapes, and either linear (or standing-wave) or ring architectures. The pump source may employ wavefront division or alternatively amplitude division of a single relatively high-power optical pump beam.

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Russell, S. M., et al.; “Optical Parametric Generation of Greater Than 30 mJ Signal Energies in PPLN Stacks”, Conference on Lasers and Electro-Optics Europe—Technical Digest, 2001, pp. xlvvi-xlviii.

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