Infrared Two-Color Raman Laser by Four-Wave Raman Mixing

Infrared Two-Color Raman Laser by Four-Wave Raman Mixing

The generation of two-color 16-μm pulses by four-wave Raman mixing of TEA-CO2lasers in para-H2 was studied. The equations based on combination of four-wave mixing and stimulated Raman scattering were solved numerically, under the assumption of focused Gaussian beams with pump power depletion. The pr...

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Veröffentlicht in:Rēzā kenkyū 1988/09/28, Vol.16(9), pp.563-570
Hauptverfasser: MIDORIKAWA, Katsumi, OHASHI, Kazuhito, TASHIRO, Hideo, NAGASAKA, Keigo, TOYODA, Koichi, NAMBA, Susumu
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Sprache:eng
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16-μm
Four wave mixing
m. CO2 laser
Raman laser
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container_end_page 570
container_issue 9
container_start_page 563
container_title Rēzā kenkyū
container_volume 16
creator MIDORIKAWA, Katsumi
OHASHI, Kazuhito
TASHIRO, Hideo
NAGASAKA, Keigo
TOYODA, Koichi
NAMBA, Susumu
description The generation of two-color 16-μm pulses by four-wave Raman mixing of TEA-CO2lasers in para-H2 was studied. The equations based on combination of four-wave mixing and stimulated Raman scattering were solved numerically, under the assumption of focused Gaussian beams with pump power depletion. The prediction of the model was experimentally verified with a couple of pulses from independent TEA-CO2 lasers. Even a weak CO2 laser whose power is not intense enough to induce effective Raman conversion by itself was efficiently converted to the Stokes pulse by the Raman mixing. The influence of beam crossing in a multiple-pass cell and transient response of a medium on the conversion process are also discussed.
doi_str_mv 10.2184/lsj.16.563
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subjects 16-μm
Four wave mixing
m. CO2 laser
Raman laser
title Infrared Two-Color Raman Laser by Four-Wave Raman Mixing
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