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Proceedings Paper

Holographically recorded ion-etched variable-line-space gratings
Author(s): Benoit Deville; Francis Bonnemason; Jean Flamand; Viviane Millet; Alain Thevenon; Virginie Gattino; Bruno M. Touzet
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Paper Abstract

Variable line space (VLS) diffraction gratings present interesting solutions to design high resolution monochromators for synchrotrons. The problem is to be able to record holographically the desired grooves distribution in order to take advantage of the holographic recording and ion etching process: low stray light, absence of ghosts and second order reduction. We will review the method of calculation of VLS diffraction gratings recorded holographically by using spherical and aspherical laser wavefronts. Then the manufacture of these gratings (accuracy of recording and ion etching process) will be described. We will give an example. And finally, the theory and the accuracy of a checking method will be presented.

Paper Details

Date Published: 24 September 1998
PDF: 12 pages
Proc. SPIE 3450, Theory and Practice of Surface-Relief Diffraction Gratings: Synchrotron and Other Applications, (24 September 1998); doi: 10.1117/12.323412
Show Author Affiliations
Benoit Deville, Jobin-Yvon (France)
Francis Bonnemason, Jobin-Yvon (France)
Jean Flamand, Jobin-Yvon (France)
Viviane Millet, Jobin-Yvon (France)
Alain Thevenon, Jobin-Yvon (France)
Virginie Gattino, Jobin-Yvon (France)
Bruno M. Touzet, Jobin-Yvon (France)

Published in SPIE Proceedings Vol. 3450:
Theory and Practice of Surface-Relief Diffraction Gratings: Synchrotron and Other Applications
Wayne R. McKinney; Christopher A. Palmer, Editor(s)

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