Novel Generalized Three-Step Phase-Shifting Interferometry with a Slight-Tilt Reference

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dc.contributor.authorXu, Xianfengen
dc.contributor.authorMa, Tianyuen
dc.contributor.authorJiao, Zhiyongen
dc.contributor.authorXu, Liangen
dc.contributor.authorDai, Dejunen
dc.contributor.authorQiao, Fanglien
dc.contributor.authorPoon, Ting-Chungen
dc.contributor.departmentElectrical and Computer Engineeringen
dc.date.accessioned2019-11-22T17:47:56Zen
dc.date.available2019-11-22T17:47:56Zen
dc.date.issued2019-11-21en
dc.date.updated2019-11-22T14:48:12Zen
dc.description.abstractA convenient and powerful method is proposed and presented to find the unknown phase shifts in three-step generalized phase-shifting interferometry. A slight-tilt reference of 0.1 degrees is employed. As a result, the developed theory shows that the unknown phase shifts can be simply extracted by subtraction operations. Also, from the theory developed, the tilt angle of the tilt reference can also be calculated, which is important as it allows us to extract the object wave precisely. Numerical simulations and optical experiments were performed to demonstrate the validity and efficiency of the proposed method. The proposed slight-tilt reference allows the full and efficient use of the space-bandwidth product of the limited resolution of digital recording devices as compared to the situation in standard off-axis holography where typically several degrees for off-axis angle is employed.en
dc.description.versionPublished versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationXu, X.; Ma, T.; Jiao, Z.; Xu, L.; Dai, D.; Qiao, F.; Poon, T.-C. Novel Generalized Three-Step Phase-Shifting Interferometry with a Slight-Tilt Reference. Appl. Sci. 2019, 9, 5015.en
dc.identifier.doihttps://doi.org/10.3390/app9235015en
dc.identifier.urihttp://hdl.handle.net/10919/95846en
dc.language.isoenen
dc.publisherMDPIen
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectgeneralized phase-shifting interferometryen
dc.subjectslightly tilted referenceen
dc.subjectnumerical simulationsen
dc.titleNovel Generalized Three-Step Phase-Shifting Interferometry with a Slight-Tilt Referenceen
dc.title.serialApplied Sciencesen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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