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10 April 1995 Circular gratings encoding phase daisy variations
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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.
© (1995) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jorge Ojeda-Castaneda, Jose R. Flores, and Juan Gutierrez Ibarra "Circular gratings encoding phase daisy variations", Proc. SPIE 2398, Circular-Grating Light-Emitting Sources, (10 April 1995); https://doi.org/10.1117/12.206340
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