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dc.contributor.authorChen, Michaelen_US
dc.contributor.authorChen, Chyong-Huaen_US
dc.contributor.authorLai, Yinchiehen_US
dc.contributor.authorLu, Yan-qingen_US
dc.contributor.authorLin, Yi-Hsinen_US
dc.date.accessioned2014-12-08T15:36:44Z-
dc.date.available2014-12-08T15:36:44Z-
dc.date.issued2014-06-01en_US
dc.identifier.issn1943-0655en_US
dc.identifier.urihttp://dx.doi.org/10.1109/JPHOT.2014.2319103en_US
dc.identifier.urihttp://hdl.handle.net/11536/25096-
dc.description.abstractA broadband electrically tunable variable polarizer for fiber systems based on a liquid crystal lens is proposed and demonstrated. The polarization selectivity is based on a polarization-sensitive coupling efficiency to the fiber in the fiber system. For an incident ordinary ray, the output beam size remains the same as that of the incident beam, which results in low coupling efficiency. For an incident extraordinary ray (e-ray), the output beam size is close to the size of the fiber core, giving rise to high coupling efficiency because of the lens effect. Moreover, the output beam size of the e-ray can be electrically controlled, thus allowing the optical attenuation to be manipulated. In our experiments, the polarizationdependent loss from the visible to the near-infrared spectral region was approximately 12 dB. Such a broadband electrically variable polarizer may be applied to various designs for fiberoptic sensing devices and polarization-sensitive optical instruments.en_US
dc.language.isoen_USen_US
dc.subjectFiber-optic systemsen_US
dc.subjectliquid crystal lensen_US
dc.subjectpolarizersen_US
dc.titleAn Electrically Tunable Polarizer for a Fiber System Based on a Polarization-Dependent Beam Size Derived From a Liquid Crystal Lensen_US
dc.typeArticleen_US
dc.identifier.doi10.1109/JPHOT.2014.2319103en_US
dc.identifier.journalIEEE PHOTONICS JOURNALen_US
dc.citation.volume6en_US
dc.citation.issue3en_US
dc.citation.spageen_US
dc.citation.epageen_US
dc.contributor.department光電工程學系zh_TW
dc.contributor.departmentDepartment of Photonicsen_US
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