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dc.contributor.authorCheng, Chieh-Jenen_US
dc.contributor.authorChern, Jyh-Longen_US
dc.date.accessioned2019-04-02T05:57:53Z-
dc.date.available2019-04-02T05:57:53Z-
dc.date.issued2010-10-01en_US
dc.identifier.issn0030-4018en_US
dc.identifier.urihttp://dx.doi.org/10.1016/j.optcom.2010.05.024en_US
dc.identifier.urihttp://hdl.handle.net/11536/149992-
dc.description.abstractThis study examines the diffraction properties of a generalized split N-sector lens originating from Billet's split bi-sector lens. The intensity distributions vary dramatically as the number of split sectors increases, and especially compared with those of the classical Billet's split lens. Nevertheless, the type of lens splitting selected causes the interference pattern of equidistant straight lines in the original Billet's lens to form an N-fold angularly distributed pattern with an angle difference of 2 pi/N. For an odd number of splitting N, there is an additional angle shift of pi/N for the azimuthally distributed patterns of equidistant straight lines. In other words, there are two kinds of symmetry even for simple splitting operations. On the other hand, the peak intensity distribution in the central portion resembles a concentric-circle-like pattern, when N is large as a result of N-beam interference. (C) 2010 Elsevier B.V. All rights reserved.en_US
dc.language.isoen_USen_US
dc.subjectDiffractionen_US
dc.subjectParaxial wave opticsen_US
dc.subjectBillet's split lensen_US
dc.titleSymmetry property of a generalized Billet's N-split lensen_US
dc.typeArticleen_US
dc.identifier.doi10.1016/j.optcom.2010.05.024en_US
dc.identifier.journalOPTICS COMMUNICATIONSen_US
dc.citation.volume283en_US
dc.citation.spage3564en_US
dc.citation.epage3568en_US
dc.contributor.department光電工程學系zh_TW
dc.contributor.departmentDepartment of Photonicsen_US
dc.identifier.wosnumberWOS:000280614400002en_US
dc.citation.woscount5en_US
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