Narrow-band spectroscopic source of coherent radiation, tunable in the mid-IR range

A description is given of a repetitively pulse source of narrow-band coherent radiation with continuous frequency tuning in the ranges 1.5-1.85 {mu}m and 2.5-3.7 {mu}m, and with energies per pulse up to 8 and 3 mJ, respectively. The source is based on parametric amplification of a weak IR signal fro...

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Bibliographic Details
Published in:Quantum electronics (Woodbury, N.Y.) N.Y.), 1998-02, Vol.28 (2), p.157-161
Main Authors: Marquez, J, Orlov, Sergei N, Polivanov, Yurii N, Smirnov, Valery V, Voelkel, D, Huisken, F, Chuzavkov, Yu L
Format: Article
Language:English
Subjects:
ATOMIC AND MOLECULAR PHYSICS
COHERENT RADIATION
ELECTROMAGNETIC RADIATION
ELECTRONIC EQUIPMENT
ENERGY-LEVEL TRANSITIONS
EXCITATION
FREQUENCY MIXING
INFRARED SPECTRA
JETS
MOLECULES
OPTICAL MODES
OSCILLATION MODES
OSCILLATORS
PARAMETRIC OSCILLATORS
PULSES
RADIATIONS
RAMAN EFFECT
RESONANCE
SPECTRA
VISIBLE RADIATION
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Summary:A description is given of a repetitively pulse source of narrow-band coherent radiation with continuous frequency tuning in the ranges 1.5-1.85 {mu}m and 2.5-3.7 {mu}m, and with energies per pulse up to 8 and 3 mJ, respectively. The source is based on parametric amplification of a weak IR signal from a difference-frequency generator or from a single-mode optical parametric oscillator. This source was used to determine the spectra of IR absorption and of degenerate four-wave mixing, as well as the spectra of excitation of stimulated resonance Raman scattering of light in some molecules under static or supersonic jet conditions. (nonlinear optical phenomena and devices)
ISSN:1063-7818
1468-4799
DOI:10.1070/QE1998v028n02ABEH001153