Hollow-core-fibre-delivered attenuated total internal reflection heterodyne spectroscopy
Hollow-core-fibre-delivered attenuated total internal reflection heterodyne spectroscopy
Attenuated total internal reflection Fourier-transform infrared (ATR-FTIR) spectroscopy is a commonly used modality for measuring the spectra of highly absorbing liquids and solids. Previously, we combined broadband OPO-based mid-IR spectroscopy [1] with the use of a non-resonant hollow-core fibre (HCF) [2] to demonstrate heterodyne detection in a way that achieved common mode rejection of absorption features unique to the fibre transmission path [3]. We now extend this approach to enable simple, fibre-delivered ATR spectroscopy.
Castro-Marin, Pablo
04c61dc6-ac95-48fc-83fb-97262a15c3e7
Johnson, Kerr
3749f9fb-c58b-4c64-9566-5bf043aa7f3c
Farrell, Carl
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Davidson, Ian A.
b685f949-e9e4-4e6b-9a59-36739de06a61
Jasion, Gregory T.
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Wheeler, Natalie V.
0fd34178-a77b-4c71-a3a6-86a1f634f1a0
Poletti, Francesco
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Richardson, David J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Reid, Derryck T.
a2de9a04-5689-4157-a7f9-21dc4b6f076b
4 September 2023
Castro-Marin, Pablo
04c61dc6-ac95-48fc-83fb-97262a15c3e7
Johnson, Kerr
3749f9fb-c58b-4c64-9566-5bf043aa7f3c
Farrell, Carl
a629f2b0-a15c-4106-9e94-b0f3dfd67909
Davidson, Ian A.
b685f949-e9e4-4e6b-9a59-36739de06a61
Jasion, Gregory T.
16cfff1d-d178-41d1-a092-56e6239726b8
Wheeler, Natalie V.
0fd34178-a77b-4c71-a3a6-86a1f634f1a0
Poletti, Francesco
9adcef99-5558-4644-96d7-ce24b5897491
Richardson, David J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Reid, Derryck T.
a2de9a04-5689-4157-a7f9-21dc4b6f076b
Castro-Marin, Pablo, Johnson, Kerr, Farrell, Carl, Davidson, Ian A., Jasion, Gregory T., Wheeler, Natalie V., Poletti, Francesco, Richardson, David J. and Reid, Derryck T.
(2023)
Hollow-core-fibre-delivered attenuated total internal reflection heterodyne spectroscopy.
In 2023 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference (CLEO/Europe-EQEC).
IEEE.
1 pp
.
(doi:10.1109/CLEO/EUROPE-EQEC57999.2023.10231578).
Record type:
Conference or Workshop Item
(Paper)
Abstract
Attenuated total internal reflection Fourier-transform infrared (ATR-FTIR) spectroscopy is a commonly used modality for measuring the spectra of highly absorbing liquids and solids. Previously, we combined broadband OPO-based mid-IR spectroscopy [1] with the use of a non-resonant hollow-core fibre (HCF) [2] to demonstrate heterodyne detection in a way that achieved common mode rejection of absorption features unique to the fibre transmission path [3]. We now extend this approach to enable simple, fibre-delivered ATR spectroscopy.
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Published date: 4 September 2023
Venue - Dates:
2023 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2023, , Munich, Germany, 2023-06-26 - 2023-06-30
Identifiers
Local EPrints ID: 502778
URI: http://eprints.soton.ac.uk/id/eprint/502778
PURE UUID: 10400e6a-8bdb-4d24-8485-ee3080441465
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Date deposited: 08 Jul 2025 16:36
Last modified: 09 Jul 2025 01:44
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Contributors
Author:
Pablo Castro-Marin
Author:
Kerr Johnson
Author:
Carl Farrell
Author:
Ian A. Davidson
Author:
Gregory T. Jasion
Author:
Natalie V. Wheeler
Author:
Francesco Poletti
Author:
Derryck T. Reid
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