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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 70, Iss. 1 — Jan. 1, 1980
  • pp: 126–128

Increased spectroscopic resolution with separated gratings and prisms

Robert C. Hilborn  »View Author Affiliations


JOSA, Vol. 70, Issue 1, pp. 126-128 (1980)
http://dx.doi.org/10.1364/JOSA.70.000126


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Abstract

The use of two separated diffraction gratings or prisms doubles the spectroscopic resolution compared to that obtained with a single equivalent grating or prism. Ultra-high resolution is possible with widely spaced gratings. Varying the spacing between the two gratings or prisms produces useful modulation in the spectrum.

© 1980 Optical Society of America

Citation
Robert C. Hilborn, "Increased spectroscopic resolution with separated gratings and prisms," J. Opt. Soc. Am. 70, 126-128 (1980)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-70-1-126


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References

  1. N. F. Ramsey has pointed out the possibility of using separated gratings in unpublished lectures (private communication).
  2. M. Born and E. Wolf, Principles of Optics, 5th ed. (Pergamon, Oxford and New York, 1975), pp. 401–407.
  3. F. Jenkins and H. White, Fundamentals of Optics, 3rd ed. (McGraw-Hill, New York, 1957), pp. 328–333.
  4. "Beat patterns" among these subsidiary maxima may be useful in resolving closely spaced lines.
  5. Reference 2, pp. 320–323.
  6. A Michelson interferometer using diffraction gratings in place of the usual mirrors has been described by P. Connes, "Spectromètre Interférential a Sélection par l'Amplitude de Modulation," J. Phys. Radium 19, 215–222 (1958).
  7. N. F. Ramsey, Molecular Beams (Oxford University, Oxford, 1956), pp. 131–134.
  8. Reference 2, pp. 178–180.
  9. Reference 2, pp. 394–395.
  10. Reference 2, pp. 406–407.
  11. Reference 2, pp. 260–261.
  12. Reference 2, pp. 271–277.
  13. Reference 7, pp. 124–134.
  14. M. M. Salour and C. Cohen-Tannoudji, "Observation of Ramsey's interference fringes in the profile of Doppler-free two-photon resonances," Phys. Rev. Lett. 38, 757–760 (1977).
  15. R. Teets, J. Eckstein, and T. W. Hänsch, "Coherent two-photon excitation by multiple light pulses," Phys. Rev. Lett. 38, 760–764 (1977).
  16. M. M. Salour, "Quantum interference effects in two-photon spectroscopy," Rev. Mod. Phys. 50, 667–681 (1978).
  17. G. Copley, B. P. Kibble, and G. W. Series, "A method for improved resolution of level-crossing curves: application to the hyperfine structure of the level 32P3/2 in atomic sodium," J. Phys. B 1, 724–735 (1968).
  18. P. Schenck, R. C. Hilborn, and H. Metcalf, "Time-resolved fluorescence from Ba and Ca excited by a pulsed tunable dye laser," Phys. Rev. Lett. 31, 189–192 (1973).

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