Measurement of dn/dT and dk/dT of optical crystals, ceramics, and chalcogenide glasses between 80K and 1050K
Measurement of dn/dT and dk/dT of optical crystals, ceramics, and chalcogenide glasses between 80K and 1050K
We describe the measurement of transmission and reflection of selected materials between 0.2 and 20 microns between 80K and 1050K at the UK MoD-Industry STAAR Facility. The measurements are used to derive the temperature dependent optical coefficients dn/dT, dk/dT. We relate these measured values to predictions from a computational multi-phonon absorption MatLab® model and further describe use of this model to interpolate the data and perform limited extrapolations. Worked examples are shown for well-known and characterised materials together with some of the new and emerging glasses from the EPSRC supported Chalcogenide Advanced Manufacturing Partnership (ChAMP).
O'Keefe, Eoin
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Craig, Chris
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Hewak, Daniel
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Hobson, Peter
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Humphrey, Alastair
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Pearce, Daniel
f9edbe8b-956d-448f-93a2-790cd458d5d2
Ravagli, Andrea
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O'Keefe, Eoin
3578c82e-652e-4c35-a89f-37dbfda8d3c6
Craig, Chris
2328b42b-552e-4a82-941d-45449e952f10
Hewak, Daniel
87c80070-c101-4f7a-914f-4cc3131e3db0
Hobson, Peter
de3467a0-9466-4fa7-9d48-ac6d25aeeecf
Humphrey, Alastair
774d20d1-bd44-4282-b8db-9cb258ccfc10
Pearce, Daniel
f9edbe8b-956d-448f-93a2-790cd458d5d2
Ravagli, Andrea
36bc59df-8134-42d1-9871-bcf7bab6539a
O'Keefe, Eoin, Craig, Chris, Hewak, Daniel, Hobson, Peter, Humphrey, Alastair, Pearce, Daniel and Ravagli, Andrea
(2017)
Measurement of dn/dT and dk/dT of optical crystals, ceramics, and chalcogenide glasses between 80K and 1050K.
SPIE DCS Defence and Security, Anaheim, United States.
08 - 12 Apr 2017.
Record type:
Conference or Workshop Item
(Paper)
Abstract
We describe the measurement of transmission and reflection of selected materials between 0.2 and 20 microns between 80K and 1050K at the UK MoD-Industry STAAR Facility. The measurements are used to derive the temperature dependent optical coefficients dn/dT, dk/dT. We relate these measured values to predictions from a computational multi-phonon absorption MatLab® model and further describe use of this model to interpolate the data and perform limited extrapolations. Worked examples are shown for well-known and characterised materials together with some of the new and emerging glasses from the EPSRC supported Chalcogenide Advanced Manufacturing Partnership (ChAMP).
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e-pub ahead of print date: 11 April 2017
Venue - Dates:
SPIE DCS Defence and Security, Anaheim, United States, 2017-04-08 - 2017-04-12
Organisations:
Optoelectronics Research Centre
Identifiers
Local EPrints ID: 404278
URI: http://eprints.soton.ac.uk/id/eprint/404278
PURE UUID: 3e5a1390-2499-49fe-92d5-a9cb66f6e2ec
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Date deposited: 05 Jan 2017 11:51
Last modified: 12 Dec 2021 03:54
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Contributors
Author:
Eoin O'Keefe
Author:
Peter Hobson
Author:
Alastair Humphrey
Author:
Daniel Pearce
Author:
Andrea Ravagli
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