Fiber-based broadband ultrasound detector for photoacoustic imaging

Hubert Grün; Thomas Berer; Karoline Felbermayer; Peter Burgholzer; Günther Paltauf

doi:10.1117/12.884647

17 May 2011 Fiber-based broadband ultrasound detector for photoacoustic imaging

Hubert Grün, Thomas Berer, Karoline Felbermayer, Peter Burgholzer, Günther Paltauf

Proceedings Volume 7753, 21st International Conference on Optical Fiber Sensors; 77536X (2011) https://doi.org/10.1117/12.884647
Event: 21st International Conference on Optical Fibre Sensors (OFS21), 2011, Ottawa, Canada

Abstract

Photoacoustic Imaging is an emerging imaging technology mainly for biology and medicine which combines the advantages of diffuse optical imaging (high contrast) and ultrasonic imaging (high spatial resolution). A short laser pulse excites the sample. The absorbed energy causes thermoelastic expansion and thereby launches broadband ultrasonic waves. For collecting these waves we introduced integrating line detectors which integrate the pressure along one direction. A fiber-based approach was realized using an interferometer integrated either in glass fibers or polymer fibers. In this work we present the proof of principle of this approach.

Citation Download Citation

Hubert Grün, Thomas Berer, Karoline Felbermayer, Peter Burgholzer, and Günther Paltauf "Fiber-based broadband ultrasound detector for photoacoustic imaging", Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 77536X (17 May 2011); https://doi.org/10.1117/12.884647

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