Chemical and pressure sensors using tapered optical fiber with polymer layer

X. Dai; H. Ding; C. Blanchetiere; S. J. Mihailov

doi:10.1117/12.981982

24 October 2012 Chemical and pressure sensors using tapered optical fiber with polymer layer

X. Dai, H. Ding, C. Blanchetiere, S. J. Mihailov

Proceedings Volume 8412, Photonics North 2012; 84121G (2012) https://doi.org/10.1117/12.981982
Event: Photonics North 2012, 2012, Montréal, Canada

Abstract

The polymer polydimethylsiloxane (PDMS) whose refractive index and shape vary with absorbed organic compounds and pressure is used as the cladding layer in the tapered region of an optical fiber. The light propagation in the tapered region is influenced by the refractive index and shape changes of the PDMS layer due to the optical evanescent field. By monitoring the optical tapered fiber transmission power variations, an organic compound/ pressure sensor is developed.

Citation Download Citation

X. Dai, H. Ding, C. Blanchetiere, and S. J. Mihailov "Chemical and pressure sensors using tapered optical fiber with polymer layer", Proc. SPIE 8412, Photonics North 2012, 84121G (24 October 2012); https://doi.org/10.1117/12.981982

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