論文

査読有り
2015年5月

A streak camera study of superfluorescence at multiple wavelengths from helium atoms excited using free electron laser pulses

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS
  • James R. Harries
  • Hiroshi Iwayama
  • Mitsuru Nagasono
  • Tadashi Togashi
  • Makina Yabashi
  • Susumu Kuma
  • Kyo Nakajima
  • Yuki Miyamoto
  • Chiaki Ohae
  • Noboru Sasao
  • Eiji Shigemasa
  • 全て表示

48
10
記述言語
英語
掲載種別
研究論文(学術雑誌)
DOI
10.1088/0953-4075/48/10/105002
出版者・発行元
IOP PUBLISHING LTD

We report the observation of superfluourescence at wavelengths (in air) of 501.6 nm, 667.8 nm, and 728.1 nm following the excitation of helium atoms with free-electron laser pulses at wavelengths of 53.7 nm (n = 3 excitation) and 52.2 nm (n = 4 excitation). The observed wavelengths of the superfluorescence pulses correspond to 1s3p-1s2s, 1s3d-1s2p, and 1s3s-1s2p transitions. Observation of superfluorescence on these transitions implies either competing cascade decays, or direct excitation of non-dipole allowed transitions. We have studied the time structure of the emitted pulses using a streak camera, and the results cannot be explained by straightforward considerations using the usual model for two-level superfluorescence.

リンク情報
DOI
https://doi.org/10.1088/0953-4075/48/10/105002
Web of Science
https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=JSTA_CEL&SrcApp=J_Gate_JST&DestLinkType=FullRecord&KeyUT=WOS:000353329500002&DestApp=WOS_CPL
ID情報
  • DOI : 10.1088/0953-4075/48/10/105002
  • ISSN : 0953-4075
  • eISSN : 1361-6455
  • Web of Science ID : WOS:000353329500002

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