Translational velocity measurement for single floating cell based on optical Fourier transform theory

Katsumi Ishizaki, Ichirou Ishimaru, Makoto Yoshida, Yusuke Inoue, Toshiki Yasokawa, Shigeki Kuriyama, Tsutomu Masaki, Seiji Nakai, Kaoru Takegawa, Naotaka Tanaka

研究成果: Contribution to journalArticle査読

10 被引用数 (Scopus)

抄録

This letter reports on translational velocity measurement, which is needed for tracking a low contrast cell. We propose a new optical spatial filtering method that is based on the optical Fourier transform theory. In this method, a pinhole is installed as a spatial filter on the optical Fourier transform plane. By means of this spatial filter, the arbitrary component of the spatial frequency is derived from the random refractive index distribution as the periodic light intensity distribution. By observing the changes of this light intensity, we can obtain the translational velocity of a low-contrast cell by means of a high-response photodiode.

本文言語英語
論文番号101114
ジャーナルApplied Physics Letters
88
10
DOI
出版ステータス出版済み - 2006
外部発表はい

All Science Journal Classification (ASJC) codes

  • 物理学および天文学(その他)

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