Solid state system for frequency conversion using raman-active m

Details Solid state system for frequency conversion using raman-active m Solid state system for frequency conversion using raman-active m

1996-04-20

1997-09-30

Scott, Jr., Leon

Coherent light generators

Raman laser

372 22, 372 39, 372 92, 372 34, 372 20, 372 10, H01S 330

Patent

active

056732813

ABSTRACT:
A solid state system for converting the frequency of light emitted in the form of a laser beam using Stimulated Raman Scattering (SRS) and non-linear conversion. A solid Raman-active medium disposed inside the laser resonator shifts the frequency of the laser beam by a characteristic frequency of the medium to generate a Raman beam in accordance with the SRS effect. Another solid non-linear medium is disposed in the laser resonator for shifting the frequency of the Raman beam to generate an output beam at the desired frequency. The solid non-linear medium is a Second Harmonic Generator (SHG), a Sum Frequency Generator (SFG) or a Difference Frequency Generator (DFG) and can also generate an output beam corresponding to the sum output of the laser beam and the Raman beam. The solid Raman-active medium and the solid-non linear medium can be positioned inside a separate secondary resonator to achieve high conversion efficiency. The system is compatible with Q-switching and frequency tuning for ensuring suitable output beam parameters, and is well-suited for guide star applications.

REFERENCES:
patent: 4327337 (1982-04-01), Liu
patent: 5071416 (1991-12-01), Heller et al.
patent: 5180378 (1993-01-01), Kung et al.
patent: 5251221 (1993-10-01), Stultz et al.
patent: 5457707 (1995-10-01), Sobey et al.

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