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Proceedings Paper

Some Recent Developments In The Fabrication Of Variably-Spaced Linear And Circular Diffraction Gratings
Author(s): George E. Hirst
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Paper Abstract

Recent and continuing developments in laser positional measurement interferometers and computer control make it possible to rule high quality,linear diffraction gratings of variable spacing. One application of such gratings is for testing cylindrical optics. A natural progression from this was the construction an interferometrically controlled rotary ruling engine for the production of precision circular, reflection gratings which may be used for testing optics that have axial symmetry. The construction and operation of this engine will be described, along with earlier practical results with cylindrical and prototype circular gratings.

Paper Details

Date Published: 10 May 1986
PDF: 6 pages
Proc. SPIE 0560, Diffraction Phenomena in Optical Engineering Applications, (10 May 1986); doi: 10.1117/12.949616
Show Author Affiliations
George E. Hirst, The Perkin-Elmer Corporation (United States)

Published in SPIE Proceedings Vol. 0560:
Diffraction Phenomena in Optical Engineering Applications
Dale M. Byrne; James E. Harvey, Editor(s)

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