In-line absorption sensor based on coiled optical microfiber
In-line absorption sensor based on coiled optical microfiber
We fabricated and tested an evanescent-wave absorption sensor consisting of an optical microfiber coil resonator embedded in fluidic channel walls. Low concentrations of flowing analyte show optical losses in agreement with a modified Beer-Lambert law. Higher concentration causes a limit value of the measured optical losses arising from adsorption mechanisms.
Lorenzi, Roberto
3ce0f5dd-7286-4b3b-8940-aeb0b91503fe
Jung, Yongmin
6685e51e-be47-4c96-8c4b-65aee3b5126d
Brambilla, Gilberto
815d9712-62c7-47d1-8860-9451a363a6c8
April 2011
Lorenzi, Roberto
3ce0f5dd-7286-4b3b-8940-aeb0b91503fe
Jung, Yongmin
6685e51e-be47-4c96-8c4b-65aee3b5126d
Brambilla, Gilberto
815d9712-62c7-47d1-8860-9451a363a6c8
Lorenzi, Roberto, Jung, Yongmin and Brambilla, Gilberto
(2011)
In-line absorption sensor based on coiled optical microfiber.
Applied Physics Letters, 98 (17), [3].
(doi:10.1063/1.3582924).
Abstract
We fabricated and tested an evanescent-wave absorption sensor consisting of an optical microfiber coil resonator embedded in fluidic channel walls. Low concentrations of flowing analyte show optical losses in agreement with a modified Beer-Lambert law. Higher concentration causes a limit value of the measured optical losses arising from adsorption mechanisms.
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Published date: April 2011
Organisations:
Optoelectronics Research Centre
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Local EPrints ID: 190861
URI: http://eprints.soton.ac.uk/id/eprint/190861
ISSN: 0003-6951
PURE UUID: 2eb03c88-22f4-4b5e-841c-51689ae1c3cc
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Date deposited: 16 Jun 2011 08:11
Last modified: 15 Mar 2024 03:31
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Author:
Roberto Lorenzi
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