The 77th JSAP Autumn Meeting, 2016

Presentation information

Oral presentation

4 JSAP-OSA Joint Symposia 2016 » 4.5 Information Photonics

[14a-C301-1~9] 4.5 Information Photonics

Wed. Sep 14, 2016 9:00 AM - 12:15 PM C301 (Nikko Tsuru)

Ryoichi Horisaki(Osaka Univ.), Hirotsugu Yamamoto(Utsunomiya Univ.), Norimichi Tsumura(Chiba Univ.)

9:45 AM - 10:00 AM

[14a-C301-3] Multi-modal Digital Holographic Microscope with Dual-wavelength Excitation and Dual-wavelength Phase Imaging

〇(D)Xiangyu Quan1, Osamu Matoba1, Kouichi Nitta1, Yasuhiro Awatsuji2, Yukako Takizawa3 (1.Kobe Univ., 2.Kyoto Inst. Tech., 3.Hyogo Pref. Inst. Tech.)

Keywords:Digital holography, Multi-modal

This paper presents utilizing multi wavelengths of fluorescent excitation and hologram recording. This is realized by using a pair of 473 nm and 532 nm lasers as excitation light, and another pair of 632.8 nm and 830 nm as hologram formation. Using two or more kinds of excitation light would increase the number of visible colors, thus multiple marking would be possible. On the other hand, measured phase value is limited to range of [-pi,pi] without special phase unwrapping treatment. Using different wavelengths will solve this problem by increasing measurable range. Experiments using microbeads and plant cells are demonstrated.