Phase imaging by spatial wavefront sampling
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Mostrar el registro completo del ítemcomunitat-uji-handle:10234/9
comunitat-uji-handle2:10234/43662
comunitat-uji-handle3:10234/43643
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Título
Phase imaging by spatial wavefront samplingAutoría
Fecha de publicación
2018Editor
Optical Society of AmericaISSN
2334-2536Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
https://www.osapublishing.org/optica/abstract.cfm?uri=optica-5-2-164&origin=searchVersión
info:eu-repo/semantics/submittedVersionResumen
Phase-imaging techniques extract the optical path length information of a scene, whereas wavefront sensors provide
the shape of an optical wavefront. Since these two applications have different technical requirements, ... [+]
Phase-imaging techniques extract the optical path length information of a scene, whereas wavefront sensors provide
the shape of an optical wavefront. Since these two applications have different technical requirements, they have developed
their own specific technologies. Here we show how to perform phase imaging combining wavefront sampling
using a reconfigurable spatial light modulator with a beam position detector. The result is a time-multiplexed
detection scheme, capable of being shortened considerably by compressive sensing. This robust referenceless method
does not require the phase-unwrapping algorithms demanded by conventional interferometry, and its lenslet-free
nature removes trade-offs usually found in Shack–Hartmann sensors. [-]
Publicado en
Optica, Vol. 5, No. 2, February 2018Derechos de acceso
http://rightsstatements.org/vocab/CNE/1.0/
info:eu-repo/semantics/openAccess
info:eu-repo/semantics/openAccess
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