Polymer inverted-rib optical waveguide interferometric sensor for optoacoustic imaging

Daniel Gallego; Meng Wang; Jussi Hiltunen; Risto Myllylä; Horacio Lamela

doi:10.1117/12.910826

23 February 2012 Polymer inverted-rib optical waveguide interferometric sensor for optoacoustic imaging

Daniel Gallego, Meng Wang, Jussi Hiltunen, Risto Myllylä, Horacio Lamela

Proceedings Volume 8223, Photons Plus Ultrasound: Imaging and Sensing 2012; 822343 (2012) https://doi.org/10.1117/12.910826
Event: SPIE BiOS, 2012, San Francisco, California, United States

Abstract

An Interferometric Polymer Optical Waveguide Sensor (IPOWS) for optoacoustic signal detection has been fabricated by UV-imprinting method. The sensor has been characterized in sensitivity, dynamic range and frequency bandwidth. The noise equivalent pressure (NEP) of the sensor is around 100 Pa for a bandwidth range of 20 MHz. We have compared experimentally the performance of the IPOWS with a piezoelectric ultra wideband sensor and other optical fiber sensors based on single-mode silica and polymer optical fibers. All sensors are designed for the detection of optoacoustic wave sources with a frequency bandwidth that exceed 10MHz.

Citation Download Citation

Daniel Gallego, Meng Wang, Jussi Hiltunen, Risto Myllylä, and Horacio Lamela "Polymer inverted-rib optical waveguide interferometric sensor for optoacoustic imaging", Proc. SPIE 8223, Photons Plus Ultrasound: Imaging and Sensing 2012, 822343 (23 February 2012); https://doi.org/10.1117/12.910826

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