High-Precision Spectroscopy with Diode Lasers. Deviation of Gas from Ideal Behavior

High-precision measurements of the spectral-line profile using near-IR diode lasers (DLs) have been performed, and the measurement results have been analyzed. To carry out these measurements, a multichannel DL spectrometer with a high spectral resolution was developed, calibrated, and put into opera...

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Bibliographic Details
Published in:Physics of wave phenomena 2018-07, Vol.26 (3), p.169-181
Main Authors: Nadezhdinskii, A. I., Ponurovskii, Ya. Ya
Format: Article
Language:English
Subjects:
Acoustics
Deviation
High-Resolution Optical Spectroscopy
Isotopes
Line spectra
Physics
Physics and Astronomy
Quantum Optics
Semiconductor lasers
Spectral resolution
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Summary:High-precision measurements of the spectral-line profile using near-IR diode lasers (DLs) have been performed, and the measurement results have been analyzed. To carry out these measurements, a multichannel DL spectrometer with a high spectral resolution was developed, calibrated, and put into operation. Particular attention has been paid to the deviation of the gases under study from ideal behavior. CO 2 of natural isotopic composition was chosen as a model gas.
ISSN:1541-308X
1934-807X
DOI:10.3103/S1541308X18030019