Paper
10 May 1996 Highly sensitive optothermal phase-contrast IR spectrometer
A. A. Babin, E. L. Bubis, Vladimir V. Lozhkarev, Felix I. Feldchtein, Gennady I. Freidman, S. V. Shubin, Ivan V. Yakovlev
Author Affiliations +
Proceedings Volume 2797, Nonlinear Spectroscopy and Ultrafast Phenomena; (1996) https://doi.org/10.1117/12.239773
Event: International Conference on Coherent and Nonlinear Optics, 1995, St. Petersburg, Russian Federation
Abstract
The automated IR-spectrometer based on the pulsed tunable (1.5 divided by 3.7 micrometers ) optical parametrical oscillator with a spectral resolution of 3 cm-1 and the optothermal phase-contrast detection system is created. A minimal detectable absorption level is as small as (alpha) equals 10-6 cm-1 at the heating energy of 10 mJ.
© (1996) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
A. A. Babin, E. L. Bubis, Vladimir V. Lozhkarev, Felix I. Feldchtein, Gennady I. Freidman, S. V. Shubin, and Ivan V. Yakovlev "Highly sensitive optothermal phase-contrast IR spectrometer", Proc. SPIE 2797, Nonlinear Spectroscopy and Ultrafast Phenomena, (10 May 1996); https://doi.org/10.1117/12.239773
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KEYWORDS
Absorption

Optical parametric oscillators

Infrared spectroscopy

Sensors

Beam splitters

Signal detection

Fabry–Perot interferometers

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