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dc.contributor.authorShirai, Hidetoen_US
dc.contributor.authorYeh, Tien-Tienen_US
dc.contributor.authorNomura, Yutakaen_US
dc.contributor.authorLuo, Chih-Weien_US
dc.contributor.authorFuji, Takaoen_US
dc.date.accessioned2019-04-03T06:38:35Z-
dc.date.available2019-04-03T06:38:35Z-
dc.date.issued2015-05-28en_US
dc.identifier.issn2331-7019en_US
dc.identifier.urihttp://dx.doi.org/10.1103/PhysRevApplied.3.051002en_US
dc.identifier.urihttp://hdl.handle.net/11536/124801-
dc.description.abstractWe demonstrate ultrabroadband and ultrafast midinfrared (MIR) pump-probe spectroscopy by employing the chirped-pulse up-conversion technique with four-wave difference-frequency generation in a gas. The full spectra of the MIR probe pulses, which spread from 200 to 5000 cm(-1), are recorded on a single-shot basis. We apply this MIR pump-probe spectroscopy to measure the ultrafast carrier dynamics of an intrinsic germanium crystal wafer. Ultrafast reflectivity change induced by the excitation of carriers is observed in the region from far to near infrared. The behavior of the reflectivity-change signals at each delay time is explained by the Drude model.en_US
dc.language.isoen_USen_US
dc.titleUltrabroadband Midinfrared Pump-Probe Spectroscopy Using Chirped-Pulse Up-conversion in Gasesen_US
dc.typeArticleen_US
dc.identifier.doi10.1103/PhysRevApplied.3.051002en_US
dc.identifier.journalPHYSICAL REVIEW APPLIEDen_US
dc.citation.volume3en_US
dc.citation.issue5en_US
dc.citation.spage0en_US
dc.citation.epage0en_US
dc.contributor.department電子物理學系zh_TW
dc.contributor.departmentDepartment of Electrophysicsen_US
dc.identifier.wosnumberWOS:000355174900001en_US
dc.citation.woscount5en_US
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