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January 24, 2010 | History

An investigation of pulsed and frequency domain photoacoustics and their applicability to biomedical studies 1 edition

An investigation of pulsed and frequency domain photoacoustics and the ...
Gloria Marina Spirou

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An investigation of pulsed and frequency domain photoacoustics and their applicability to biomedical studies.

Published 2005 .
Written in English.

About the Book

Photoacoustics is a non-invasive sensing technique that differentiates between materials with different optical absorption and mechanical properties. The photoacoustic (PA) effect is the process of light being absorbed by a material, creating a temperature change that produces a pressure transient. The operational and detection characteristics of two different PA imaging techniques were investigated based on pulsed and continuous wave (CW) optical illumination. A new phantom material, polyvinyl chloride-plastisol (PVCP), was characterized using the optoacoustic method and diffuse reflectance measurements, and phantoms with known optical properties were prepared. A thermal lesion was generated in chicken tissue and also imaged. The pulsed PA method can detect low absorption targets and thermal lesions in chicken tissue. The CW or frequency domain PA method uses a chirp modulated laser as the source of excitation. This system was characterized relating the detected PA signals to the incident fluence rate and known optical properties of PVCP samples.

Edition Notes

Source: Masters Abstracts International, Volume: 44-02, page: 0779.

Thesis (M.Sc.)--University of Toronto, 2005.

Electronic version licensed for access by U. of T. users.

GERSTEIN MICROTEXT copy on microfiche (microfiches)

The Physical Object

Pagination
123 leaves.
Number of pages
123

ID Numbers

Open Library
OL19217283M
ISBN 10
0494073888

History Created December 11, 2009 · 2 revisions Download catalog record: RDF / JSON

January 24, 2010 Edited by WorkBot add more information to works
December 11, 2009 Created by WorkBot add works page