Synchronously pumped sub-picosecond optical parametric oscillato

Details Synchronously pumped sub-picosecond optical parametric oscillato Synchronously pumped sub-picosecond optical parametric oscillato

1994-05-06

1998-12-08

Lee, John D.

Optical: systems and elements

Optical frequency converter

Parametric oscillator

372 22, G02F 139

Patent

active

058478612

ABSTRACT:
A synchronously pumped optical parametric oscillator (OPO) using a temperature tuned 90 degree phase matched LBO crystal is disclosed which provides a broad selection of output wavelengths. In one embodiment a Ti:sapphire pump source having a cavity length matched to the OPO cavity length pumps a cavity with an LBO crystal located at the cavity waist of the cavity mode. Resources are included to, tune the OPO to a desired wavelength, repetitively scan through a series of desired wavelengths, and adjust the cavity length to obtain a synchronous pumping condition and diagnose a wavelength at which the OPO is operating. A frequency doubled beam in the LBO crystal is generated as a substantially collinear alignment beam.

REFERENCES:
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Chesnoy, et al.; Stabilization of a Femtosecond Dye Laser Synchronously Pumped by a Frequency-Doubled Mode-Locked Yag Laser.; Oct. 1986/vol. 11, No. 10/Optics Letters; 1986, Optical Society of America; pp. 635-637.
Knox, et al.; Two-Wavelength Synchronous Generation of Femtosecond Pulses With<100-FS Jitter; Jul. 15, 1992/vol. 17, No. 14/Optics Letters; 1992, Optical Society of America; pp. 1012-1014.

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