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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 62, Iss. 6 — Jun. 1, 1972
  • pp: 762–766

Echelle Calibration and Wavelength Calculation

FRANK L. MOORE, JR. and BENJAMIN FURST  »View Author Affiliations

JOSA, Vol. 62, Issue 6, pp. 762-766 (1972)

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Two methods for calibration and wavelength calculation for echelle spectrograms are discussed. The rough method employing ruler measurements on photographic enlargements has an accuracy of about 1 in 105. The accurate method using comparator measurements of Th standard lines and a computer routine has given an accuracy of 2 in 107 and promises greater precision for spectrograms obtained with modern echelle gratings.

FRANK L. MOORE, JR. and BENJAMIN FURST, "Echelle Calibration and Wavelength Calculation," J. Opt. Soc. Am. 62, 762-766 (1972)

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