Title :
Measurement of distribution of absorbers hidden in highly scattering medium by use of ultrasonic phase-shift due to laser illumination
Author :
Kobayashi, T. ; Okasaka, A. ; Kiuchi, T. ; Horinaka, H. ; Wada, K. ; Cho, Y. ; Matsunaka, T. ; Saimi, S.
Author_Institution :
Dept. of Phys. & Electron., Osaka Prefecture Univ., Japan
Abstract :
We investigated a method for measuring the ultrasonic phase-shift caused by optical absorption to reconstruct the optical tomography. The absorption distribution was obtained in the medium with scattering coefficient equivalent to that of human brain.
Keywords :
biomedical ultrasonics; brain; light absorption; light scattering; neurophysiology; optical tomography; absorber distribution measurement; absorption distribution; highly scattering medium; human brain; laser illumination; optical tomography; scattering coefficient; ultrasonic phase-shift; Biomedical optical imaging; Computed tomography; Containers; Light scattering; Optical refraction; Optical scattering; Optical transmitters; Optical variables control; Phase measurement; Ultrasonic variables measurement;
Conference_Titel :
Lasers and Electro-Optics, 2001. CLEO/Pacific Rim 2001. The 4th Pacific Rim Conference on
Conference_Location :
Chiba, Japan
Print_ISBN :
0-7803-6738-3
DOI :
10.1109/CLEOPR.2001.967877
