Fabry-Perot micro-structured polymer optical fibre sensors for opto-acoustic endoscopy

Christian Broadway; Daniel Gallego; Getinet Woyessa; Andreas Pospori; Guillermo Carpintero; Ole Bang; Kate Sugden; Horacio Lamela

doi:10.1117/12.2181095

19 June 2015 Fabry-Perot micro-structured polymer optical fibre sensors for opto-acoustic endoscopy

Christian Broadway, Daniel Gallego, Getinet Woyessa, Andreas Pospori, Guillermo Carpintero, Ole Bang, Kate Sugden, Horacio Lamela

Author Affiliations +

Proceedings Volume 9531, Biophotonics South America; 953116 (2015) https://doi.org/10.1117/12.2181095
Event: SPIE Biophotonics South America, 2015, Rio de Janeiro, Brazil

Abstract

Opto-Acoustic Endoscopy (OAE) requires sensors with a high sensitivity and small physical dimensions in order to facilitate integration into an endoscope of less than 1mm in diameter. We present fibre Bragg grating (FBG) and Fabry- Perot intrinsic fibre sensors for ultrasound detection. We present a structure profile characterisation setup to analyse tune the fibre sensors in preparation for ultrasonic detection. We evaluate the suitability of the different structures and grating parameters for ultrasonic sensing. By analysing the prepared gratings, we enable the optimisation of the profile and a simplification of the detection regime for an optimal interferometric OAE configuration.

Citation Download Citation

Christian Broadway, Daniel Gallego, Getinet Woyessa, Andreas Pospori, Guillermo Carpintero, Ole Bang, Kate Sugden, and Horacio Lamela "Fabry-Perot micro-structured polymer optical fibre sensors for opto-acoustic endoscopy", Proc. SPIE 9531, Biophotonics South America, 953116 (19 June 2015); https://doi.org/10.1117/12.2181095

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