Efficient frequency converter utilizing higher order Stokes-Rama

Details Efficient frequency converter utilizing higher order Stokes-Rama Efficient frequency converter utilizing higher order Stokes-Rama

1979-11-23

1981-07-21

Sikes, William L.

Oscillators

Molecular or particle resonant type

307425, 307426, H01S 330

Patent

active

042801095

ABSTRACT:
A device for translating the frequency of the energy contained in a laser beam. Higher order Raman scattering is utilized to convert the energy in a laser beam into a collimated beam of radiation at a frequency removed from that of the original beam by an amount corresponding to the frequency shift exhibited by higher order Raman scattering processes. A Raman cell is utilized as a saturated amplifier at power density levels below that required for oscillation, so as to obtain efficient conversion. By selecting the path length within the Raman cell, nearly all of the energy exiting the cell is caused to appear in a single, higher order Stokes wave.

REFERENCES:
patent: 3546477 (1970-12-01), Hokryo

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