GENERATION OF SUBNANOSECOND FAR-INFRARED LASER-PULSES IN A LARGE SPECTRAL RANGE WITH A RAMAN D2O LASER OPTICALLY PUMPED BY A CONTINUOUSLY TUNABLE CO2-LASER

LANG, PT and SCHATZ, W and RENK, KF (1991) GENERATION OF SUBNANOSECOND FAR-INFRARED LASER-PULSES IN A LARGE SPECTRAL RANGE WITH A RAMAN D2O LASER OPTICALLY PUMPED BY A CONTINUOUSLY TUNABLE CO2-LASER. OPTICS COMMUNICATIONS, 84 (1-2). pp. 29-36. ISSN 0030-4018,

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Abstract

We report on the generation of subnanosecond far-infrared laser pulses in a large spectral range by optical pumping of D2O. Using a continuously tunable high-pressure CO2 laser as pump source, we obtain laser action at 58 lines, 47 of them new, in the frequency region from 26 to 236 cm-1. For D2O gas pressures above 2 mbar, far-infrared generation was found to occur by stimulated Raman scattering; the achieved maximum bandwidth of the Raman gain regions ranges from a few GHz up to 17 GHz. We made use of these broad amplification profiles for the generation of far-infrared pulses with durations in the subnanosecond time regime.

Item Type: Article
Uncontrolled Keywords: SUPER-RADIANT LASER; EMISSIONS; CO2-LASER; CH3F;
Depositing User: Dr. Gernot Deinzer
Last Modified: 19 Oct 2022 08:46
URI: https://pred.uni-regensburg.de/id/eprint/54971

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