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PUMP-PROBE MEASUREMENT DEVICE

外国特許コード F130007219
整理番号 AF01-06WO
掲載日 2013年3月14日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2012JP069517
国際公開番号 WO 2013/018813
国際出願日 平成24年7月31日(2012.7.31)
国際公開日 平成25年2月7日(2013.2.7)
優先権データ
  • 特願2011-169682 (2011.8.2) JP
発明の名称 (英語) PUMP-PROBE MEASUREMENT DEVICE
発明の概要(英語)

A pump-probe measurement device (1) comprises: an ultrashort optical pulse laser generating unit (2) for generating a first ultrashort optical pulse train serving as a pump beam (3a) and second and third ultrashort optical pulse trains (3b, 3c) serving as probe beams

and an optical shutter unit (6) into which the second and third ultrashort optical pulse trains (3b, 3c) are made incident. The pump-probe measurement device (1) further comprises a detection unit (20) including: an irradiation optical system (8) for irradiating a sample (7) with the pump beam (3a), the first probe beam (3b), and the second probe beam (3c)

a sensor (11) for detecting the probe beams from the sample (7)

and a phase-sensitive detection means (12) connected to the sensor (11). An optical shutter control unit (10) periodically modulates the delay times of the first probe beam (3b) and the second probe beam (3c) to the pump beam (3a). These modulated first and the second probe beams (3a, 3b) are alternately applied to the sample (7), and probe signals from the sample (7) are detected by the phase-sensitive detection means (12) in synchronization with periodical modulation signals of the delay times.

  • 出願人(英語)
  • ※2012年7月以前掲載分については米国以外のすべての指定国
  • JAPAN SCIENCE AND TECHNOLOGY AGENCY,
  • SHIGEKAWA HIDEMI,
  • TAKEUCHI OSAMU
  • 発明者(英語)
  • SHIGEKAWA HIDEMI,
  • TAKEUCHI OSAMU
国際特許分類(IPC)
参考情報 (研究プロジェクト等) CREST Novel Measuring and Analytical Technology Contributions to the Elucidation and Application of Material AREA
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