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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 29 — Oct. 10, 2010
  • pp: 5597–5613

Faraday modulation spectrometry of nitric oxide addressing its electronic X 2 Π A 2 Σ + band: I. theory

Lemthong Lathdavong, Jonas Westberg, Jie Shao, Claude M. Dion, Pawel Kluczynski, Stefan Lundqvist, and Ove Axner  »View Author Affiliations


Applied Optics, Vol. 49, Issue 29, pp. 5597-5613 (2010)
http://dx.doi.org/10.1364/AO.49.005597


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Abstract

We give a simple two-transition model of Faraday modulation spectrometry (FAMOS) addressing the electronic X 2 Π ( ν = 0 ) A 2 Σ + ( ν = 0 ) band in nitric oxide. The model is given in terms of the integrated line strength, S, and first Fourier coefficients for the magnetic-field-modulated dispersive line shape function. Although the two states addressed respond differently to the magnetic field (they adhere to the dissimilar Hund coupling cases), it is shown that the technique shares some properties with FAMOS when rotational-vibrational Q-transitions are targeted: the line shapes have a similar form and the signal strength has an analogous magnetic field and pressure dependence. The differences are that the maximum signal appears for larger magnetic field amplitudes and pressures, 1500 G and 200 Torr , respectively.

© 2010 Optical Society of America

OCIS Codes
(020.0020) Atomic and molecular physics : Atomic and molecular physics
(020.7490) Atomic and molecular physics : Zeeman effect
(120.0280) Instrumentation, measurement, and metrology : Remote sensing and sensors
(300.6260) Spectroscopy : Spectroscopy, diode lasers
(300.6540) Spectroscopy : Spectroscopy, ultraviolet
(010.0280) Atmospheric and oceanic optics : Remote sensing and sensors

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: May 27, 2010
Manuscript Accepted: August 12, 2010
Published: October 7, 2010

Citation
Lemthong Lathdavong, Jonas Westberg, Jie Shao, Claude M. Dion, Pawel Kluczynski, Stefan Lundqvist, and Ove Axner, "Faraday modulation spectrometry of nitric oxide addressing its electronic X2Π−A2Σ+band: I. theory," Appl. Opt. 49, 5597-5613 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-29-5597

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