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Detonation velocity measurements with uniform fibre Bragg gratings

Detonation velocity measurements with uniform fibre Bragg gratings
Detonation velocity measurements with uniform fibre Bragg gratings

In this paper we demonstrate a simple and new fibre optic technique for measuring detonation velocities using uniform fibre Bragg gratings. We compare this new system with chirped fibre Bragg grating diagnostics and show how coherent source illumination can yield spatial uncertainties below ±10 µm – a percentage error that is an order of magnitude lower than the broadband ASE methods we have tested.

1094-4087
23464-23475
Pooley, Josh
788d06b3-b7fd-4741-a2fe-c46f218ffeb1
Price, Ed
d7c2e2e5-b6ef-4cf8-b4c1-de2072647f54
Ferguson, James W.
895c1002-9e99-4320-8ec9-ec5c9bffecff
Ibsen, Morten
22e58138-5ce9-4bed-87e1-735c91f8f3b9
Pooley, Josh
788d06b3-b7fd-4741-a2fe-c46f218ffeb1
Price, Ed
d7c2e2e5-b6ef-4cf8-b4c1-de2072647f54
Ferguson, James W.
895c1002-9e99-4320-8ec9-ec5c9bffecff
Ibsen, Morten
22e58138-5ce9-4bed-87e1-735c91f8f3b9

Pooley, Josh, Price, Ed, Ferguson, James W. and Ibsen, Morten (2019) Detonation velocity measurements with uniform fibre Bragg gratings. Optics Express, 27 (16), 23464-23475. (doi:10.1364/OE.27.023464).

Record type: Article

Abstract

In this paper we demonstrate a simple and new fibre optic technique for measuring detonation velocities using uniform fibre Bragg gratings. We compare this new system with chirped fibre Bragg grating diagnostics and show how coherent source illumination can yield spatial uncertainties below ±10 µm – a percentage error that is an order of magnitude lower than the broadband ASE methods we have tested.

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More information

Accepted/In Press date: 7 April 2019
e-pub ahead of print date: 1 August 2019
Published date: August 2019

Identifiers

Local EPrints ID: 434916
URI: https://eprints.soton.ac.uk/id/eprint/434916
ISSN: 1094-4087
PURE UUID: 4c2abe74-51e1-4f15-a853-0f9a933fb5f3

Catalogue record

Date deposited: 16 Oct 2019 16:30
Last modified: 16 Oct 2019 16:30

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