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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 28, Iss. 18 — Sep. 15, 1989
  • pp: 4024–4029

Polarization modulation high resolution Fourier transform spectroscopy

Mohammed Elhanine, Robert Farrenq, and Guy Guelachvili  »View Author Affiliations


Applied Optics, Vol. 28, Issue 18, pp. 4024-4029 (1989)
http://dx.doi.org/10.1364/AO.28.004024


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Abstract

A new polarization modulation Zeeman method combined with high resolution Fourier transform spectroscopy is described. It selectively detects the paramagnetic species produced in a plasma under a constant magnetic field. The polarizing optics is convenient and easily covers wide spectral ranges. NO absorption and N2O, NO emission spectra are reported. With a magnetic field of the order of 560 G and a 40-cm long discharge tube, the P and R lines of the 1—0 band of NO around 5 μm are observed up to J = 28.5 whereas the much more intense N2O lines are not detected. Unexplained line shapes of the first Q2 lines of NO are reported. A comparison with a recent frequency modulation Zeeman method coupled with high resolution Fourier transform spectroscopy is given.

© 1989 Optical Society of America

History
Original Manuscript: November 28, 1988
Published: September 15, 1989

Citation
Mohammed Elhanine, Robert Farrenq, and Guy Guelachvili, "Polarization modulation high resolution Fourier transform spectroscopy," Appl. Opt. 28, 4024-4029 (1989)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-28-18-4024

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