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Towards extremely sensitive ultraviolet-light sensors employing photochromic optical microfiber

Towards extremely sensitive ultraviolet-light sensors employing photochromic optical microfiber
Towards extremely sensitive ultraviolet-light sensors employing photochromic optical microfiber
We propose an extremely responsive ultraviolet-light sensor (-1.39 × 106 dB/(W/cm2) based on photochromic optical microfiber. A densely packed planar coil of ZBLAN optical microfiber is doped with photochromic dyes. Under ultraviolet radiation, the photochromic microfiber experiences temporary photodarkening, and the change in the transmission of the probe light provides a measure of the incident ultraviolet light.This novel design grants an enhancement in sensitivity (3.13 nW/cm2) by at least one order of magnitude compared to traditional electrical counterparts.
1687-725X
1-7
Chen, George Y.
b766d3f7-a6dc-4c15-8f00-17ad044348c1
Wang, Zilong
4f6f5b53-bbc7-4f1f-9803-fbec5b88dc29
Chen, George Y.
b766d3f7-a6dc-4c15-8f00-17ad044348c1
Wang, Zilong
4f6f5b53-bbc7-4f1f-9803-fbec5b88dc29

Chen, George Y. and Wang, Zilong (2015) Towards extremely sensitive ultraviolet-light sensors employing photochromic optical microfiber. Journal of Sensors, 2015 (586318), 1-7. (doi:10.1155/2015/586318).

Record type: Article

Abstract

We propose an extremely responsive ultraviolet-light sensor (-1.39 × 106 dB/(W/cm2) based on photochromic optical microfiber. A densely packed planar coil of ZBLAN optical microfiber is doped with photochromic dyes. Under ultraviolet radiation, the photochromic microfiber experiences temporary photodarkening, and the change in the transmission of the probe light provides a measure of the incident ultraviolet light.This novel design grants an enhancement in sensitivity (3.13 nW/cm2) by at least one order of magnitude compared to traditional electrical counterparts.

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Accepted/In Press date: 20 April 2015
Published date: 2015
Additional Information: Invited paper
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 378430
URI: https://eprints.soton.ac.uk/id/eprint/378430
ISSN: 1687-725X
PURE UUID: 6d4b83a2-e46e-4df1-a074-af04368a4bee

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Date deposited: 29 Jun 2015 10:41
Last modified: 16 Jul 2019 20:33

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