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dc.contributor.authorLiu, T. -A.en_US
dc.contributor.authorChou, R. -H.en_US
dc.contributor.authorPan, C. -L.en_US
dc.date.accessioned2014-12-08T15:09:20Z-
dc.date.available2014-12-08T15:09:20Z-
dc.date.issued2009-06-01en_US
dc.identifier.issn0946-2171en_US
dc.identifier.urihttp://dx.doi.org/10.1007/s00340-008-3332-8en_US
dc.identifier.urihttp://hdl.handle.net/11536/7127-
dc.description.abstractWe investigate the characteristics of terahertz radiation pulses using biased multi-energy arsenic-ion-implanted and semi-insulating GaAs photoconductive antennas with different gap sizes in terahertz time-domain spectroscopy. At a specific fluence excitation, with increasing antenna gap size, the absolute values of the (peak) normalized terahertz waveform minimum (valley), as well as the bandwidth, reveal an increasing trend for multi-energy arsenic-ion-implanted GaAs antennas and a decreasing trend for semi-insulating GaAs antennas. We find that the largest reachable bias fields applied to arsenic-ion-implanted GaAs antennas are higher than those applied to semi-insulating GaAs antennas. On the basis of pump fluence dependences of peak terahertz amplitude, we deduce that multi-energy arsenic-ion-implanted GaAs antennas have the ability to acquire higher THz power at even higher pump fluence in comparison with semi-insulating GaAs antennas.en_US
dc.language.isoen_USen_US
dc.titleDependence of terahertz radiation on gap sizes of biased multi-energy arsenic-ion-implanted and semi-insulating GaAs antennasen_US
dc.typeArticleen_US
dc.identifier.doi10.1007/s00340-008-3332-8en_US
dc.identifier.journalAPPLIED PHYSICS B-LASERS AND OPTICSen_US
dc.citation.volume95en_US
dc.citation.issue4en_US
dc.citation.spage739en_US
dc.citation.epage744en_US
dc.contributor.department光電工程學系zh_TW
dc.contributor.departmentDepartment of Photonicsen_US
dc.identifier.wosnumberWOS:000266073200015-
dc.citation.woscount2-
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