Measurements of threshold photoemission magnetic dichroism using ultraviolet lasers and a photoelastic modulator

Takeshi Nakagawa, Toshihiko Yokoyama, Masahito Hosaka, Masahiro Katoh

研究成果: Contribution to journalArticle査読

30 被引用数 (Scopus)

抄録

A magneto-optical method based on valence band photoemission by laser excitation is described. Total photoexcited electron dichroism is detected using wave plates or a photoelastic modulator. Compared to the direct current method using wave plates, a modulation technique assisted by a photoelastic modulator has an advantage to improve the signal-to-noise ratio of magnetic dichroism by a factor of 10. The magnetic circular and linear dichroism can be investigated with this technique. An application to magnetic domain imaging using photoemission electron microscope is also demonstrated.

本文言語英語
論文番号023907
ジャーナルReview of Scientific Instruments
78
2
DOI
出版ステータス出版済み - 2007
外部発表はい

All Science Journal Classification (ASJC) codes

  • 器械工学

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