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Optics Letters

Optics Letters


  • Vol. 5, Iss. 1 — Jan. 1, 1980
  • pp: 18–20

Observation of vibrational dependence in N2O quadrupole hyperfine structure utilizing a twin-laser spectrometer

J. E. Thomas, M. Burns, and A. Javan  »View Author Affiliations

Optics Letters, Vol. 5, Issue 1, pp. 18-20 (1980)

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Copropagating-beam Doppler-free resonances, observed in fluorescence, are utilized to study vibrational dependence of N2O quadrupole hyperfine structure for several transitions of the (100–001) band. A novel technique is applied to simplify the spectra by using a large intensity ratio for the beams.

© 1980 Optical Society of America

Original Manuscript: August 13, 1979
Published: January 1, 1980

J. E. Thomas, M. Burns, and A. Javan, "Observation of vibrational dependence in N2O quadrupole hyperfine structure utilizing a twin-laser spectrometer," Opt. Lett. 5, 18-20 (1980)

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  1. C. Freed, A. Javan, Appl. Phys. Lett. 17, 53 (1970). [CrossRef]
  2. J.-P. Monchalin, M. J. Kelly, J. E. Thomas, N. A. Kurnit, A. Javan, J. Mol. Spectrosc. 64, 491 (1977). [CrossRef]
  3. M. J. Kelly, J. E. Thomas, J.-P. Monchalin, N. A. Kurnit, A. Javan, Phys. Rev. Lett. 37, 686 (1976). [CrossRef]
  4. J.-P. Monchalin, M. J. Kelly, J. E. Thomas, N. A. Kurnit, A. Szöke, A. Javan, Opt. Lett. 1, 5 (1977). [CrossRef] [PubMed]
  5. H. R. Schlossberg, A. Javan, Phys. Rev. 150, 267 (1966); Phys. Rev. Lett. 17, 1242 (1966). [CrossRef]
  6. M. S. Feld, A. Javan, Phys. Rev. 177, 540 (1969). [CrossRef]
  7. Copropagating-wave resonances depend only on the twin-laser difference frequency so long as w32 (u/c) ≪ linewidth, where w32 is the level spacing and u is the thermal speed.
  8. R. G. Brewer, Phys. Rev. Lett. 25, 1639 (1970). See also R. C. Brewer, “Nonlinear infrared spectroscopy,” in Fundamental and Applied Laser Physics, M. S. Feld, A. Javan, N. Kurnit, eds. (Wiley, New York, 1973). [CrossRef]
  9. M. Ouhayoun, C. J. Bordé, J. Bordé, Mol. Phys. 33, 597 (1977). [CrossRef]
  10. Note that the structure of N2O is NNO.
  11. N. F. Ramsey, Molecular Beams (Oxford U. Press, London, 1956).
  12. This follows from the hermiticity of the dipole operator.
  13. J. Bardeen, C. H. Townes, Phys. Rev. 73, 97 (1948). [CrossRef]
  14. It is assumed that the weak wave interacting with a strong transition is weakly saturating. For detailed theoretical analysis see J. E. Thomas, Ph.D. thesis, 1979 (unpublished).
  15. J. M. L. J. Reinartz, W. L. Meerts, A. Dymanus, Chem. Phys. 31, 19 (1978). [CrossRef]

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