Measurement limitations in knife-edge tomographic phase retrieval of focused IR laser beams

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dc.contributor.authorSilva López, Manuel
dc.contributor.authorRico García, José María
dc.contributor.authorAlda Serrano, Javier
dc.dateReceived 20 Jun 2012; revised 23 Jul 2012; accepted 23 Jul 2012; published 3 Oct 2012.
dc.date.accessioned2023-06-20T04:16:31Z
dc.date.available2023-06-20T04:16:31Z
dc.date.issued2012-10-08
dc.descriptionEn acceso abierto en la web del editor (comprobado en julio 2016).
dc.description.abstractAn experimental setup to measure the three-dimensional phase-intensity distribution of an infrared laser beam in the focal region has been presented. It is based on the knife-edge method to perform a tomographic reconstruction and on a transport of intensity equation-based numerical method to obtain the propagating wavefront. This experimental approach allows us to characterize a focalized laser beam when the use of image or interferometer arrangements is not possible. Thus, we have recovered intensity and phase of an aberrated beam dominated by astigmatism. The phase evolution is fully consistent with that of the beam intensity along the optical axis. Moreover, this method is based on an expansion on both the irradiance and the phase information in a series of Zernike polynomials. We have described guidelines to choose a proper set of these polynomials depending on the experimental conditions and showed that, by abiding these criteria, numerical errors can be reduced.en
dc.description.departmentSección Deptal. de Óptica (Óptica)
dc.description.facultyFac. de Óptica y Optometría
dc.description.refereedTRUE
dc.description.sponsorshipMinisterio de Ciencia, Innovación y Universidades (España)
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/38640
dc.identifier.citationOptica Publishing Group. https://opg.optica.org/oe/viewmedia.cfm?uri=oe-20-21-23875&html=true. Accedido 8 de julio de 2024.
dc.identifier.doi10.1364/OE.20.023875
dc.identifier.issn1094-4087
dc.identifier.officialurlhttp://dx.doi.org/10.1364/OE.20.023875
dc.identifier.relatedurlhttps://www.osapublishing.org/oe/abstract.cfm?uri=oe-20-21-23875
dc.identifier.relatedurlhttp://cisne.sim.ucm.es/record=b3528557~S6*spi
dc.identifier.urihttps://hdl.handle.net/20.500.14352/45117
dc.issue.number21
dc.journal.titleOptics Express
dc.language.isoeng
dc.page.final23886
dc.page.initial23876
dc.publisherThe Optical Society Of America
dc.relation.projectIDENE2009-14340
dc.rights.accessRightsrestricted access
dc.subject.cdu535.374
dc.subject.cdu537.8
dc.subject.keywordLasers
dc.subject.keywordLaser optics
dc.subject.keywordLaser beam characterization
dc.subject.keywordTomographic image processing
dc.subject.keywordPhase retrieval
dc.subject.keywordWafe-front sensing
dc.subject.keywordOptical antennas
dc.subject.ucmElectromagnetismo
dc.subject.ucmTécnicas de la imagen
dc.subject.ucmÓptica física, óptica cuántica
dc.subject.ucmLáseres
dc.subject.unesco2202 Electromagnetismo
dc.subject.unesco2209.19 Óptica física
dc.subject.unesco2209.10 Láseres
dc.titleMeasurement limitations in knife-edge tomographic phase retrieval of focused IR laser beamsen
dc.typejournal article
dc.volume.number20
dspace.entity.typePublication
relation.isAuthorOfPublicationf83d6ebf-28e1-4568-ac27-e4db5acfc6dd
relation.isAuthorOfPublicationa5f0b8a9-10aa-4bf8-9527-e94b095468b8
relation.isAuthorOfPublication.latestForDiscoverya5f0b8a9-10aa-4bf8-9527-e94b095468b8
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