Wavelength conversion device using an external unstable cavity

Details Wavelength conversion device using an external unstable cavity Wavelength conversion device using an external unstable cavity

1993-03-23

1996-01-09

Lee, John D.

Optical: systems and elements

Optical frequency converter

Harmonic generator

359330, 372 22, G02F 137, H01S 3109

Patent

active

054833744

ABSTRACT:
An optical resonator which is unstable with respect to laser light whose wavelength is to be converted includes a pair of confocal, coaxial curved mirrors. A nonlinear optical medium, e.g., lithium niobate, is disposed between the mirrors. Laser light injected into the optical resonator becomes concentrated in the vicinity of the optical axis, for highly efficient wavelength conversion.

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