H - Electricity – 01 – S
Patent
H - Electricity
01
S
345/12
H01S 3/03 (2006.01) H01S 3/30 (2006.01)
Patent
CA 1122310
Abstract of the Disclosure A device for producing stimulated Raman scattering of C02 laser radiation by rotational states in a diatomic molecular gas utilizing a Stokes injection signal. The system utilizes a cryogenically cooled waveguide for extending focal interaction length. The waveguide, in conjunction with the Stokes injection signal, reduces required power density of the C02 radiation below the breakdown threshold for the diatomic molecular gas. A Fresnel rhomb is employed to circularly polarize the Stokes injection signal and C02 laser radiation in opposite circular directions. The device can be employed either as a regenerative oscillator utilizing optical cavity mirrors or as a single pass amplifier. Additionally, a plurality of Raman gain cells can be staged to increase output power magnitude. Also, in the regenerative oscillator embodiment, the Raman gain cell cavity length and C02 cavity length can be matched to provide synchronism between mode locked C02 pulses and pulses produced within the Raman gain cell.
334853
Meredith & Finlayson
United States Of America (government Of The) United States Depar
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