Continuous wave infrared optical parametric amplifier

Details Continuous wave infrared optical parametric amplifier Continuous wave infrared optical parametric amplifier

2005-02-01

2005-02-01

Hellner, Mark (Department: 3663)

Optical: systems and elements

Optical amplifier

C359S342000

Reexamination Certificate

active

06850359

ABSTRACT:
A continuous wave, infrared optical parametric amplifier system incorporating an extremely high gain, non-linear optical element. In one preferred form, the non-linear optical element comprises a periodically poled lithium niobate (PPLN) crystal. The amplifier system uses a beam combiner to combine a non-linear optical input signal with a continuous wave pump beam. The signals are optically co-aligned by the beam combiner and then input to the high gain, optical element wherein optical energy is transferred to the input signal. The resulting amplified, non-linear optical signal is then input into a beam separator which separates the input signal component from the pump beam component. The amplified input signal can then be readily detected by a conventional optical detector. The amplifier system eliminates the loss of information from the input signal which can occur with conventional pulsed laser amplifiers.

REFERENCES:
patent: 3200342 (1965-08-01), Kibler
patent: 3309526 (1967-03-01), Giordmaine
patent: 3875422 (1975-04-01), Stolen
patent: 5477378 (1995-12-01), Johnson
Electric field poling of flux grown KTiOPO4, H Karlsson, Oct. 14, 1997, 3 pages.
Microlaser-pumped periodically poled lithium niobate optical parametric generator-optical parametric amplifier, K. W. Aniolek, Apr. 15, 2000/vol. 25, No. 8/ Optics Letters.
Monday Morning/Cleo 2000, May 8, p. 13.

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