The 66th JSAP Spring Meeting, 2019

Presentation information

Oral presentation

3 Optics and Photonics » 3.4 Biomedical optics

[9a-W641-1~12] 3.4 Biomedical optics

Sat. Mar 9, 2019 9:00 AM - 12:15 PM W641 (W641)

Masahito Yamanaka(Nagoya Univ.), Mamoru Hashimoto(Hokkaido Univ.)

10:00 AM - 10:15 AM

[9a-W641-5] Ultrafast fluorescence lifetime imaging microscopy by frequency-division multiplexing

〇(M1)Hiroshi Kanno1, Hideharu Mikami1, Keisuke Goda1 (1.School of Sci., Univ. of Tokyo)

Keywords:fluorescence lifetime, microscopy, ultrafast

We report ultrafast fluorescence lifetime imaging microscopy using frequency-division multiplexing. As a proof-of-concept demonstration, we obtained fluorescence lifetime images of fluorescent beads at a frame rate of 16,000 frames/sec using an intensity-modulated excitation beam array with a modulation bandwidth of ~200 MHz. This method has a wide variety of potential applications such as observation of fluorescence resonance energy transfer and fluorescence lifetime imaging flow cytometry.