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Proceedings Paper

Circular gratings encoding phase daisy variations
Author(s): Jorge Ojeda-Castaneda; Jose R. Flores; Juan Gutierrez Ibarra
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Paper Abstract

We present a circular grating that encodes phase variations in the form of a daisy flower, or a pie, with several slices, or petals, with equal central angle and every other slice having a delay of (lambda) /2. We suggest the use of this type of grating for optical alignment.

Paper Details

Date Published: 10 April 1995
PDF: 11 pages
Proc. SPIE 2398, Circular-Grating Light-Emitting Sources, (10 April 1995); doi: 10.1117/12.206340
Show Author Affiliations
Jorge Ojeda-Castaneda, Instituto Nacional de Astrofisica Optica y Electronica (Mexico)
Jose R. Flores, Univ. of Las Americas (Mexico)
Juan Gutierrez Ibarra, Instituto Nacional de Astrofisica Optica y Electronica (Mexico)

Published in SPIE Proceedings Vol. 2398:
Circular-Grating Light-Emitting Sources
S. Iraj Najafi; Mahmoud Fallahi; Nasser Peyghambarian, Editor(s)

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