Phase imaging by spatial wavefront sampling
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Mostra el registre complet de l'elementcomunitat-uji-handle:10234/9
comunitat-uji-handle2:10234/43662
comunitat-uji-handle3:10234/43643
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Títol
Phase imaging by spatial wavefront samplingAutoria
Data de publicació
2018Editor
Optical Society of AmericaISSN
2334-2536Tipus de document
info:eu-repo/semantics/articleVersió de l'editorial
https://www.osapublishing.org/optica/abstract.cfm?uri=optica-5-2-164&origin=searchVersió
info:eu-repo/semantics/submittedVersionResum
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. [-]
Publicat a
Optica, Vol. 5, No. 2, February 2018Drets d'accés
http://rightsstatements.org/vocab/CNE/1.0/
info:eu-repo/semantics/openAccess
info:eu-repo/semantics/openAccess
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