Wang, Lihong and Zhao, Xuemei (1997) Ultrasonic modulation of diffuse light in turbid media. In: Optical Tomography and Spectroscopy of Tissue: Theory, Instrumentation, Model, and Human Studies II. Proceedings of SPIE. No.2979. Society of Photo-optical Instrumentation Engineers (SPIE) , Bellingham, WA, pp. 24-35. ISBN 9780819423900. https://resolver.caltech.edu/CaltechAUTHORS:20181207-161548786
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Abstract
Continuous-wave ultrasonic modulation of laser light has been used to image objects buried in tissue-simulating turbid media. The ultrasonic wave focused into the turbid media modulated the laser light passing through the ultrasonic field. The modulated laser light collected by a photomultiplier tube reflected primarily the local mechanical and optical properties in the focal zone. Modulated signal was estimated using diffusion theory. The dependence of the ultrasound-modulated optical signal on the off-axis distance of the detector from the optic axis was studied. The mechanisms of ultrasonic modulation of light were discussed.
| Item Type: | Book Section | ||||||
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| Additional Information: | © 1997 Society of Photo-Optical Instrumentation Engineers (SPIE). This project was sponsored in part by the National Institutes of Health grant R29 CA68562 and The Whitaker Foundation. | ||||||
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| Subject Keywords: | Ultrasonic modulation, acousto-optics, optical imaging, optical tomography, turbid media | ||||||
| Series Name: | Proceedings of SPIE | ||||||
| Issue or Number: | 2979 | ||||||
| DOI: | 10.1117/12.280273 | ||||||
| Record Number: | CaltechAUTHORS:20181207-161548786 | ||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20181207-161548786 | ||||||
| Official Citation: | Lihong V. Wang, Xuemei Zhao, "Ultrasonic modulation of diffuse light in turbid media," Proc. SPIE 2979, Optical Tomography and Spectroscopy of Tissue: Theory, Instrumentation, Model, and Human Studies II, (18 August 1997); doi: 10.1117/12.280273 | ||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
| ID Code: | 91613 | ||||||
| Collection: | CaltechAUTHORS | ||||||
| Deposited By: | George Porter | ||||||
| Deposited On: | 11 Dec 2018 18:15 | ||||||
| Last Modified: | 16 Nov 2021 03:42 |
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