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Temperature compensation techniques for resonantly enhanced sensors and devices based on optical microcoil resonators

Temperature compensation techniques for resonantly enhanced sensors and devices based on optical microcoil resonators
Temperature compensation techniques for resonantly enhanced sensors and devices based on optical microcoil resonators
It is well known that environmental effects have a major influence on the optical stability of resonantly enhanced sensors and devices based on optical microfiber, namely in the configuration of a microcoil resonator. We propose a geometric design to reduce such effects by chirping the refractive index of successive paired turns in the microcoil resonator. The resistance to external effects such as temperature drifts can be considerably improved by optimizing the coupling coefficients and chirping profile, such that the wavelength span of the resonant condition is maximized without compensating its sensitivity to the desired measurand. We also demonstrate another technique based on resonant wavelength tuning using a compact piezoelectric ceramic disk measuring 3mm in diameter and 1mm in thickness, attaining tunability as high as 6.5pm/100V.
temperature compensation, microcoil resonator, current sensor, resonantly enhanced
0030-4018
4677-4683
Chen, George Y.
b766d3f7-a6dc-4c15-8f00-17ad044348c1
Lee, Timothy
beb3b88e-3e5a-4c3f-8636-bb6de8040fcc
Zhang, Xueliang
0a2b644d-cc68-4b48-8ede-6c08f6242d74
Brambilla, Gilberto
815d9712-62c7-47d1-8860-9451a363a6c8
Newson, Trevor P.
6735857e-d947-45ec-8163-54ebb25daad7
Chen, George Y.
b766d3f7-a6dc-4c15-8f00-17ad044348c1
Lee, Timothy
beb3b88e-3e5a-4c3f-8636-bb6de8040fcc
Zhang, Xueliang
0a2b644d-cc68-4b48-8ede-6c08f6242d74
Brambilla, Gilberto
815d9712-62c7-47d1-8860-9451a363a6c8
Newson, Trevor P.
6735857e-d947-45ec-8163-54ebb25daad7

Chen, George Y., Lee, Timothy, Zhang, Xueliang, Brambilla, Gilberto and Newson, Trevor P. (2012) Temperature compensation techniques for resonantly enhanced sensors and devices based on optical microcoil resonators. [in special issue: Optical micro/nanofibers: Challenges and Opportunities] Optics Communications, 285 (23), 4677-4683. (doi:10.1016/j.optcom.2012.06.003).

Record type: Article

Abstract

It is well known that environmental effects have a major influence on the optical stability of resonantly enhanced sensors and devices based on optical microfiber, namely in the configuration of a microcoil resonator. We propose a geometric design to reduce such effects by chirping the refractive index of successive paired turns in the microcoil resonator. The resistance to external effects such as temperature drifts can be considerably improved by optimizing the coupling coefficients and chirping profile, such that the wavelength span of the resonant condition is maximized without compensating its sensitivity to the desired measurand. We also demonstrate another technique based on resonant wavelength tuning using a compact piezoelectric ceramic disk measuring 3mm in diameter and 1mm in thickness, attaining tunability as high as 6.5pm/100V.

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Published date: 19 June 2012
Keywords: temperature compensation, microcoil resonator, current sensor, resonantly enhanced
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 343194
URI: http://eprints.soton.ac.uk/id/eprint/343194
ISSN: 0030-4018
PURE UUID: da9eeaa3-5efa-4f03-934e-961d36b9011d
ORCID for Timothy Lee: ORCID iD orcid.org/0000-0001-9665-5578
ORCID for Gilberto Brambilla: ORCID iD orcid.org/0000-0002-5730-0499

Catalogue record

Date deposited: 01 Oct 2012 14:34
Last modified: 15 Mar 2024 03:09

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Contributors

Author: George Y. Chen
Author: Timothy Lee ORCID iD
Author: Xueliang Zhang

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