Terahertz Waves Emitted from an Optical Fiber

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dc.contributor.authorYi, Min-Wooko
dc.contributor.authorLee, Kang-Heeko
dc.contributor.authorLim, Jong-Seokko
dc.contributor.authorHong, Young-Binko
dc.contributor.authorJho, Young-Dahlko
dc.contributor.authorAhn, Jae-Wookko
dc.date.accessioned2013-03-08T15:39:36Z-
dc.date.available2013-03-08T15:39:36Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2010-06-
dc.identifier.citationOPTICS EXPRESS, v.18, no.13, pp.13693 - 13699-
dc.identifier.issn1094-4087-
dc.identifier.urihttp://hdl.handle.net/10203/93446-
dc.description.abstractWe report a simple method of creating terahertz waves by applying the photo-Dember effect in a (100)-oriented InAs film coated onto the 45-degree wedged-end facet of an optical fiber. The terahertz waves are generated by infrared pulses guided through the optical fiber which is nearly in contact with a sample and then measured by a conventional photo-conductive antenna detector. Using this alignment-free terahertz source, we performed proof-of-principle experiments of terahertz time-domain spectroscopy and near-field terahertz microscopy. We obtained a bandwidth of 2 THz and 180-mu m m spatial resolution. Using this method, the THz imaging resolution is expected to be reduced to the size of the optical fiber core. Applications of this device can be extended to sub-wavelength terahertz spectroscopic imaging, miniaturized terahertz system design, and remote sensing. (C) 2010 Optical Society of America-
dc.languageEnglish-
dc.publisherOPTICAL SOC AMER-
dc.subjectNEAR-FIELD-
dc.subjectEMISSION-
dc.subjectPULSES-
dc.subjectINAS-
dc.titleTerahertz Waves Emitted from an Optical Fiber-
dc.typeArticle-
dc.identifier.wosid000279009900044-
dc.identifier.scopusid2-s2.0-77953817876-
dc.type.rimsART-
dc.citation.volume18-
dc.citation.issue13-
dc.citation.beginningpage13693-
dc.citation.endingpage13699-
dc.citation.publicationnameOPTICS EXPRESS-
dc.identifier.doi10.1364/OE.18.013693-
dc.contributor.localauthorAhn, Jae-Wook-
dc.contributor.nonIdAuthorHong, Young-Bin-
dc.contributor.nonIdAuthorJho, Young-Dahl-
dc.description.isOpenAccessY-
dc.type.journalArticleArticle-
dc.subject.keywordPlusNEAR-FIELD-
dc.subject.keywordPlusEMISSION-
dc.subject.keywordPlusPULSES-
dc.subject.keywordPlusINAS-
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