Wavelength conversion apparatus

Details Wavelength conversion apparatus Wavelength conversion apparatus

1997-05-27

1999-08-10

Lee, John D.

Optical: systems and elements

Optical frequency converter

Harmonic generator

372 22, G02F 137

Patent

active

059367610

ABSTRACT:
A wavelength conversion device in which the fundamental wave is converged in a non-linear optical crystal for effecting wavelength conversion, and in which no significant peak is generated in the non-linear optical crystal even if the power of the input fundamental wave is high. The spot radius at the converging point of the fundamental wave is selected to be 0.0014 to 0.0023 cm, while the crystal length of the non-linear optical crystal is selected to be 0.5 to 1.2 cm. If this range is met, the light intensity distribution in the non-linear optical crystal becomes of the top hat type, such that no peak is generated.

REFERENCES:
patent: 4068190 (1978-01-01), Ferguson
patent: 5541765 (1996-07-01), Tanuma

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