Paper
2 June 2014 Interferometric microstructured polymer optical fiber ultrasound sensor for optoacoustic endoscopic imaging in biomedical applications
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Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 91574X (2014) https://doi.org/10.1117/12.2059290
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain
Abstract
We report a characterization of the acoustic sensitivity of microstructured polymer optical fiber interferometric sensors at ultrasonic frequencies from 100kHz to 10MHz. The use of wide-band ultrasonic fiber optic sensors in biomedical ultrasonic and optoacoustic applications is an open alternative to conventional piezoelectric transducers. These kind of sensors, made of biocompatible polymers, are good candidates for the sensing element in an optoacoustic endoscope because of its high sensitivity, its shape and its non-brittle and non-electric nature. The acoustic sensitivity of the intrinsic fiber optic interferometric sensors depends strongly of the material which is composed of. In this work we compare experimentally the intrinsic ultrasonic sensitivities of a PMMA mPOF with other three optical fibers: a singlemode silica optical fiber, a single-mode polymer optical fiber and a multimode graded-index perfluorinated polymer optical fiber.
© (2014) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Daniel Gallego, David Sáez-Rodríguez, David Webb, Ole Bang, and Horacio Lamela "Interferometric microstructured polymer optical fiber ultrasound sensor for optoacoustic endoscopic imaging in biomedical applications", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91574X (2 June 2014); https://doi.org/10.1117/12.2059290
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Cited by 5 scholarly publications.
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KEYWORDS
Optical fibers

Sensors

Ultrasonics

Polymer optical fibers

Interferometry

Acoustics

Fiber optics sensors

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