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Applied Optics

Applied Optics


  • Vol. 11, Iss. 6 — Jun. 1, 1972
  • pp: 1357–1359

Sensitive Visual Test for Concave Diffraction Gratings

Elmo C. Bruner, Jr.  »View Author Affiliations

Applied Optics, Vol. 11, Issue 6, pp. 1357-1359 (1972)

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A simple visual test for the evaluation of concave diffraction gratings is described. It is twice as sensitive as the Foucault knife edge test, from which it is derived, and has the advantage that the images are straight and free of astigmatism. It is particularly useful for gratings with high ruling frequency where the above image faults limit the utility of the Foucault test. The test can be interpreted quantitatively and can detect zonal grating space errors of as little as 0.1 Å.

© 1972 Optical Society of America

Original Manuscript: October 21, 1971
Published: June 1, 1972

Elmo C. Bruner, "Sensitive Visual Test for Concave Diffraction Gratings," Appl. Opt. 11, 1357-1359 (1972)

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  1. G. R. Harrison, R. C. Lord, J. R. Loofbourow, Practical Spectroscopy (Prentice-Hall, Englewood Cliffs, N.J., 1948).

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