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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 24, Iss. 15 — Aug. 1, 1985
  • pp: 2442–2449

Analytical description of a Fabry-Perot spectrometer. 8: Optimum operation with equidistant equal-noise sampling

G. Hernandez  »View Author Affiliations


Applied Optics, Vol. 24, Issue 15, pp. 2442-2449 (1985)
http://dx.doi.org/10.1364/AO.24.002442


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Abstract

The optimum parameters of operation for a Fabry-Perot spectrometer used in the equidistant equal-noise sampling method have been calculated. The results, expressed in terms of normalized halfwidths at half-height, are: etalon (a*) = 0.078 (0.095), linewidth (dg*) = 0.13 (0.19), and aperture (f*) = 0.10 (0.19) for temperature (wind) determinations. The etalon widths correspond to rather low reflectivities, namely, 0.62 and 0.56. The critical number of samples, required for unambiguous determinations of a measured profile, are found to be equal to 8 and 12. The usefulness of the equal-noise method in absorption measurements is discussed.

© 1985 Optical Society of America

History
Original Manuscript: December 24, 1984
Published: August 1, 1985

Citation
G. Hernandez, "Analytical description of a Fabry-Perot spectrometer. 8: Optimum operation with equidistant equal-noise sampling," Appl. Opt. 24, 2442-2449 (1985)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-24-15-2442


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References

  1. G. Hernandez, R. J. Sica, G. J. Romick, “Equal-Noise Spectroscopic Measurement,” Appl. Opt. 23, 915 (1984). [CrossRef] [PubMed]
  2. G. Hernandez, R. G. Roble, “Direct Measurements of Nighttime Thermospheric Winds and Temperatures 2. Geomagnetic Storms,” J. Geophys. Res. 81, 5173 (1976). [CrossRef]
  3. P. Jacquinot, C. Dufour, “Conditions optiques d’emploi des cellules photoélectriques dans les spectrographes et les interféromètres,” J. Res. CRNS 6, 91 (1948).
  4. L. G. Parratt, Probability and Experimental Errors in Science (Wiley, New York, 1961).
  5. P. R. Bevington, Data Reduction and Error Analysis for the Physical Sciences (McGraw-Hill, New York, 1969).
  6. G. Hernandez, “Analytical Description of a Fabry-Perot Spectrometer. 4: Signal Noise Limitations in Data Retrieval; Winds, Temperatures, and Emission Rate,” Appl. Opt. 17, 2967 (1978). [CrossRef] [PubMed]
  7. R. Bracewell, The Fourier Transform and its Applications (McGraw-Hill, New York, 1965).
  8. G. Hernandez, “Analytical Description of a Fabry-Perot Spectrometer. 5: Optimization for Minimum Uncertainties in the Determination of Doppler Widths and Shifts,” Appl. Opt. 18, 3826 (1979). [PubMed]
  9. G. Hernandez, “Analytical Description of a Fabry-Perot Spectrometer. 5: Optimization for Minimum Uncertainties in the Determiniation of Doppler Widths and Shifts; corrigendum,” Appl. Opt. 21, 1538 (1982). [CrossRef] [PubMed]

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