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Proceedings Paper

Operating point stabilization of fiber-based line detectors for photoacoustic imaging
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Paper Abstract

Photoacoustic imaging is an upcoming technique in the field of biomedical imaging. Our group introduced fiber-based line detectors, which are used to acquire broad-band ultrasonic signals, several years ago. Up to now operating point stabilization of fiber-based line detectors was realized by tuning the wavelength of the detection laser. This is, because of the high costs, not applicable for parallel detection. An alternative stabilization method, the change of the optical path length, is presented in this paper. Changing of the optical path length is realized by stretching the fiber with piezoelectric tubes. Fringe patterns and operation point stabilization of both stabilization schemes are compared. Next, signal detection utilizing a polymer optical fiber in a Mach-Zehnder and Fabry-Perot interferometer is demonstrated, and the influence of the detection wavelength (633nm and 1550nm) is examined. Finally, two-dimensional imaging by utilizing a perfluorinated polymer fiber is demonstrated.

Paper Details

Date Published: 16 June 2011
PDF: 8 pages
Proc. SPIE 8090, Novel Biophotonic Techniques and Applications, 809011 (16 June 2011); doi: 10.1117/12.889097
Show Author Affiliations
Karoline Felbermayer, RECENDT GmbH (Austria)
Hubert Grün, RECENDT GmbH (Austria)
Thomas Berer, RECENDT GmbH (Austria)
Peter Burgholzer, RECENDT GmbH (Austria)

Published in SPIE Proceedings Vol. 8090:
Novel Biophotonic Techniques and Applications
Henricus J. C. M. Sterenborg; I. Alex Vitkin, Editor(s)

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