GENERATION OF ULTRASHORT FAR-INFRARED PULSES OPTICALLY PUMPED WITH TRUNCATED HYBRID 10-MU-M CO2-LASER PULSES

We have investigated the generation of ultrashort far-infrared pulses by optical pumping of 496-mu-m CH3F, 385-mu-m D2O, 373-mu-m CH3CN and 291-mu-m NH3 with pulses from a hybrid CO2 laser which are truncated within almost-equal-to 10 ps by a plasma shutter of new design. We observe smooth and repro...

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Bibliographic Details
Published in:Optics communications 1992-02, Vol.87 (5-6), p.249-253
Main Authors: SCHERRER, DP, KALIN, AW, KESSELRING, R, KNEUBUHL, FK
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Gas lasers including excimer and metal-vapor lasers
Lasers
Optics
Physical Sciences
Physics
Science & Technology
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Summary:We have investigated the generation of ultrashort far-infrared pulses by optical pumping of 496-mu-m CH3F, 385-mu-m D2O, 373-mu-m CH3CN and 291-mu-m NH3 with pulses from a hybrid CO2 laser which are truncated within almost-equal-to 10 ps by a plasma shutter of new design. We observe smooth and reproducible single far-infrared nano- and subnano-second pulses which are among the shortest single pulses produced in this wavelength range. Thus, we demonstrate that our technique is suited for the generation of well-defined ultrashort single far-infrared pulses.
ISSN:0030-4018
1873-0310
DOI:10.1016/0030-4018(92)90469-8