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Proceedings Paper

Near-infrared time-resolved spectroscopy system for tissue oxygenation monitor
Author(s): Motoki Oda; Yutaka Yamashita; Tetsuhisa Nakano; Akihiro Suzuki; Keiji Shimizu; Isuke Hirano; Fumihiko Shimomura; Etsuko Ohmae; Toshihiko Suzuki; Yutaka Tsuchiya
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Paper Abstract

We have developed a three-wavelength (759,797, and 833 nm) time-resolved spectroscopy (TRS) system as a tissue oxygenation monitor employing a time-correlated single photon counting method. This system achieved a high data acquisition rate and system miniaturization maintaining a high sensitivity and time resolution. Our system succeeded in accurately measuring concentrations of oxy-(HbO2) and deoxyhemoglobin (Hb) by means of TRS data observation through studies using a phantom model and living tissue.

Paper Details

Date Published: 22 November 2000
PDF: 7 pages
Proc. SPIE 4160, Photon Migration, Diffuse Spectroscopy, and Optical Coherence Tomography: Imaging and Functional Assessment, (22 November 2000); doi: 10.1117/12.407622
Show Author Affiliations
Motoki Oda, Hamamatsu Photonics K.K. (Japan)
Yutaka Yamashita, Hamamatsu Photonics K.K. (Japan)
Tetsuhisa Nakano, Hamamatsu Photonics K.K. (Japan)
Akihiro Suzuki, Hamamatsu Photonics K.K. (Japan)
Keiji Shimizu, Hamamatsu Photonics K.K. (Japan)
Isuke Hirano, Hamamatsu Photonics K.K. (Japan)
Fumihiko Shimomura, Hamamatsu Photonics K.K. (Japan)
Etsuko Ohmae, Hamamatsu Photonics K.K. (Japan)
Toshihiko Suzuki, Hamamatsu Photonics K.K. (Japan)
Yutaka Tsuchiya, Hamamatsu Photonics K.K. (Japan)


Published in SPIE Proceedings Vol. 4160:
Photon Migration, Diffuse Spectroscopy, and Optical Coherence Tomography: Imaging and Functional Assessment
Stefan Andersson-Engels; James G. Fujimoto, Editor(s)

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