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Title: Study of the hyperfine structure of emission lines of I{sub 2} molecules by the method of three-level laser spectroscopy

Abstract

It is proposed to use narrow optical resonances, corresponding to the hyperfine structure components of emission transitions in I{sub 2}, as frequency references to stabilise laser radiation frequency in the spectral range from 0.8 to 1.3 {mu}m. To obtain such resonances and investigate the hyperfine structure of emission transitions, an experimental setup is built which consists of a saturated absorption laser spectrometer and a three-level laser spectrometer. Excitation is performed by the second harmonic of a cw Nd:YAG laser and probe radiation in the range from 968 to 998 nm is generated by an external cavity diode laser. The radiation beams from both lasers are combined in a cell with iodine vapour, excitation in the cell being performed in the regime of two counterpropagating waves. It is shown that upon phase modulation of exciting radiation, narrow resonances, having the form of the dispersion dependence, appear at the centre of Doppler lines in absorption and emission. These resonances can be used as references to stabilise the laser frequency. The results of the study of the hyperfine structure of emission lines at the (J' = 57, v' = 32) {yields} (J'' = 58, v'' = 48) transition upon excitation at the (J''more » = 56, v'' = 0) {yields} (J' = 57, v'' = 32) transition are presented. (laser spectroscopy)« less

Authors:
; ; ; ;  [1]
  1. Institute of Laser Physics, Siberian Branch, Russian Academy of Sciences, Novosibirsk (Russian Federation)
Publication Date:
OSTI Identifier:
21476070
Resource Type:
Journal Article
Journal Name:
Quantum Electronics (Woodbury, N.Y.)
Additional Journal Information:
Journal Volume: 38; Journal Issue: 8; Other Information: DOI: 10.1070/QE2008v038n08ABEH013761; Journal ID: ISSN 1063-7818
Country of Publication:
United States
Language:
English
Subject:
74 ATOMIC AND MOLECULAR PHYSICS; ABSORPTION; DISPERSIONS; DOPPLER EFFECT; EMISSION; EXCITATION; FREQUENCY MODULATION; HARMONIC GENERATION; HYPERFINE STRUCTURE; IODINE; LASER CAVITIES; LASER RADIATION; LASER SPECTROSCOPY; MOLECULES; NEODYMIUM LASERS; PHOTON BEAMS; RESONANCE; SPECTROMETERS; VAPORS; WAVE PROPAGATION; BEAMS; ELECTROMAGNETIC RADIATION; ELEMENTS; ENERGY-LEVEL TRANSITIONS; FLUIDS; FREQUENCY MIXING; GASES; HALOGENS; LASERS; MEASURING INSTRUMENTS; MODULATION; NONMETALS; RADIATIONS; SOLID STATE LASERS; SORPTION; SPECTROSCOPY

Citation Formats

Matyugin, Yu A, Okhapkin, M V, Skvortsov, M N, Ignatovich, S M, and Bagaev, S N. Study of the hyperfine structure of emission lines of I{sub 2} molecules by the method of three-level laser spectroscopy. United States: N. p., 2008. Web. doi:10.1070/QE2008V038N08ABEH013761.
Matyugin, Yu A, Okhapkin, M V, Skvortsov, M N, Ignatovich, S M, & Bagaev, S N. Study of the hyperfine structure of emission lines of I{sub 2} molecules by the method of three-level laser spectroscopy. United States. https://doi.org/10.1070/QE2008V038N08ABEH013761
Matyugin, Yu A, Okhapkin, M V, Skvortsov, M N, Ignatovich, S M, and Bagaev, S N. 2008. "Study of the hyperfine structure of emission lines of I{sub 2} molecules by the method of three-level laser spectroscopy". United States. https://doi.org/10.1070/QE2008V038N08ABEH013761.
@article{osti_21476070,
title = {Study of the hyperfine structure of emission lines of I{sub 2} molecules by the method of three-level laser spectroscopy},
author = {Matyugin, Yu A and Okhapkin, M V and Skvortsov, M N and Ignatovich, S M and Bagaev, S N},
abstractNote = {It is proposed to use narrow optical resonances, corresponding to the hyperfine structure components of emission transitions in I{sub 2}, as frequency references to stabilise laser radiation frequency in the spectral range from 0.8 to 1.3 {mu}m. To obtain such resonances and investigate the hyperfine structure of emission transitions, an experimental setup is built which consists of a saturated absorption laser spectrometer and a three-level laser spectrometer. Excitation is performed by the second harmonic of a cw Nd:YAG laser and probe radiation in the range from 968 to 998 nm is generated by an external cavity diode laser. The radiation beams from both lasers are combined in a cell with iodine vapour, excitation in the cell being performed in the regime of two counterpropagating waves. It is shown that upon phase modulation of exciting radiation, narrow resonances, having the form of the dispersion dependence, appear at the centre of Doppler lines in absorption and emission. These resonances can be used as references to stabilise the laser frequency. The results of the study of the hyperfine structure of emission lines at the (J' = 57, v' = 32) {yields} (J'' = 58, v'' = 48) transition upon excitation at the (J'' = 56, v'' = 0) {yields} (J' = 57, v'' = 32) transition are presented. (laser spectroscopy)},
doi = {10.1070/QE2008V038N08ABEH013761},
url = {https://www.osti.gov/biblio/21476070}, journal = {Quantum Electronics (Woodbury, N.Y.)},
issn = {1063-7818},
number = 8,
volume = 38,
place = {United States},
year = {Sun Aug 31 00:00:00 EDT 2008},
month = {Sun Aug 31 00:00:00 EDT 2008}
}