Abstract

The Lyman ghosts produced by modern plane gratings ruled under interferometric control are shown to have intensities as high as 1% of the main line. These ghosts may be removed from the spectrum by the use of a relatively large cross dispersion before the spectrograph entrance slit.

© 1968 Optical Society of America

The Reduction of Ghosts in Diffraction Grating Spectra

N. A. Finkelstein, C. H. Brumley, and R. J. Meltzer
J. Opt. Soc. Am. 42(2) 121-126 (1952)

False Spectra from a Plane Grating Produced by Laser Illumination

M. Garavaglia and C. A. Massone
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Narcissistic ghosts in Rowland-mounted, concave gratings with β = 0°: a cautionary note

Stephan R. McCandliss, Jason B. McPhate, and Paul D. Feldman
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New Analysis of the Theory of Rowland Ghosts

J. A. E. Calatroni and M. Garavaglia
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A Double Beam, High Resolution Spectrometer for the Far Infrared

T. M. Hard and R. C. Lord
Appl. Opt. 7(4) 589-598 (1968)