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Microfiber and microcoil resonators and resonant sensors

Microfiber and microcoil resonators and resonant sensors
Microfiber and microcoil resonators and resonant sensors

The manufacture of tapers from optical fibers provides the possibility to get long, uniform, and robust micrometer- or nanometer-size wires. Optical microfibers are fabricated by adiabatically stretching conventional optical fibers and thus preserve the original optical fiber dimensions at their input/output pigtails, allowing ready splicing to standard fibers. Since microfibers have a size comparable to the wavelength of the light propagating in it, a considerable fraction of power can be located in the evanescent field, outside the microfiber physical boundary. When a microfiber is coiled, the mode propagating in it interferes with itself to give a resonator. In this chapter the latest results on the manufacture of optical microfiber resonators are presented. Optical microfibers can be used to fabricate single-loop and multiple-loop (coil) resonators with extremely high Q factors. High Q resonators can be used for refractometric biosensors and because of their design they provide an exceptionally high sensitivity.

Couple Wave Equation, Evanescent Field, Fluidic Channel, Free Spectral Range, Leaky Mode
0342-4111
275-298
Springer
Xu, Fei
2d685b99-8205-437a-8e04-12bf73525010
Brambilla, Gilberto
815d9712-62c7-47d1-8860-9451a363a6c8
Chremmos, Ioannis
Schwelb, Otto
Uzunoglu, Nikolaos
Xu, Fei
2d685b99-8205-437a-8e04-12bf73525010
Brambilla, Gilberto
815d9712-62c7-47d1-8860-9451a363a6c8
Chremmos, Ioannis
Schwelb, Otto
Uzunoglu, Nikolaos

Xu, Fei and Brambilla, Gilberto (2010) Microfiber and microcoil resonators and resonant sensors. In, Chremmos, Ioannis, Schwelb, Otto and Uzunoglu, Nikolaos (eds.) Photonic Microresonator Research and Applications. (Springer Series in Optical Sciences, 156) New York. Springer, pp. 275-298. (doi:10.1007/978-1-4419-1744-7_12).

Record type: Book Section

Abstract

The manufacture of tapers from optical fibers provides the possibility to get long, uniform, and robust micrometer- or nanometer-size wires. Optical microfibers are fabricated by adiabatically stretching conventional optical fibers and thus preserve the original optical fiber dimensions at their input/output pigtails, allowing ready splicing to standard fibers. Since microfibers have a size comparable to the wavelength of the light propagating in it, a considerable fraction of power can be located in the evanescent field, outside the microfiber physical boundary. When a microfiber is coiled, the mode propagating in it interferes with itself to give a resonator. In this chapter the latest results on the manufacture of optical microfiber resonators are presented. Optical microfibers can be used to fabricate single-loop and multiple-loop (coil) resonators with extremely high Q factors. High Q resonators can be used for refractometric biosensors and because of their design they provide an exceptionally high sensitivity.

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More information

e-pub ahead of print date: 1 January 2010
Additional Information: Acknowledgments Gilberto Brambilla gratefully acknowledges the Royal Society (London, UK) for his research fellowship. The authors thank EPSRC (UK research council) for financial support.
Keywords: Couple Wave Equation, Evanescent Field, Fluidic Channel, Free Spectral Range, Leaky Mode

Identifiers

Local EPrints ID: 471820
URI: http://eprints.soton.ac.uk/id/eprint/471820
ISSN: 0342-4111
PURE UUID: 64b7341c-cae9-4647-ad04-be9cadfd408e
ORCID for Gilberto Brambilla: ORCID iD orcid.org/0000-0002-5730-0499

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Date deposited: 21 Nov 2022 17:43
Last modified: 18 Mar 2024 02:53

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Contributors

Author: Fei Xu
Author: Gilberto Brambilla ORCID iD
Editor: Ioannis Chremmos
Editor: Otto Schwelb
Editor: Nikolaos Uzunoglu

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