Method and apparatus for parametric generation of midinfrared li

Details Method and apparatus for parametric generation of midinfrared li Method and apparatus for parametric generation of midinfrared li

1990-11-28

1991-11-12

Gonzalez, Frank

Optical: systems and elements

Optical frequency converter

Parametric oscillator

372 21, H03F 700

Patent

active

050650467

ABSTRACT:
A method and apparatus for parametric conversion of electromagnetic radiation in KNbO.sub.3 crystals of optical energy at a wavelength near 1 .mu.m to optical energy at wavelengths in the range from 1.4 .mu.m to 4.6 .mu.m. A pump beam and a signal beam impinge on a KNbO.sub.3 crystal and interact to produce optical energy at an idler wavelength and a signal wavelength at the expense of optical energy of the impinging pump beam wavelength. The KNbO.sub.3 crystal has an orientation axis which is aligned with the direction of the impinging pump and signal energy and is on a locus defined by a minimum phase relation between the energy at the pump, signal, and idler frequencies.

REFERENCES:
patent: 4879722 (1989-11-01), Dixon et al.
patent: 4884276 (1989-11-01), Dixon et al.

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