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Crystalline garnet Bragg reflectors for high power, high temperature, and integrated applications fabricated by multi-beam pulsed laser deposition

Crystalline garnet Bragg reflectors for high power, high temperature, and integrated applications fabricated by multi-beam pulsed laser deposition
Crystalline garnet Bragg reflectors for high power, high temperature, and integrated applications fabricated by multi-beam pulsed laser deposition
Crystalline Bragg reflectors are of interest for high power, high temperature and integrated applications. We demonstrate the automated growth of such structures by shuttered multi-beam Pulsed Laser Deposition (PLD). Geometries include 145 layer stacks exhibiting >99.5% reflection and pi phase-shifted designs. A crystalline grating strength-apodized sample was grown by mixing plumes to obtain layers with custom refractive indices. Peak reflection wavelength was tuneable with incident position, samples withstood temperatures of ~750 °C and film and substrate have been shown to withstand incident pulsed laser fluences of up to ~33 Jcm-2.
Bragg gratings, gadolinium compounds, pulsed laser deposition, yttrium compounds
0003-6951
81117
Sloyan, Katherine A.
5b66c8be-437e-467f-aeb0-5a742eea5abf
May-Smith, Timothy C.
47952bbd-ce28-4507-a723-b4d80bf0f809
Zervas, Michalis N.
1840a474-dd50-4a55-ab74-6f086aa3f701
Eason, Robert W.
e38684c3-d18c-41b9-a4aa-def67283b020
Sloyan, Katherine A., May-Smith, Timothy C., Zervas, Michalis N. and Eason, Robert W. (2012) Crystalline garnet Bragg reflectors for high power, high temperature, and integrated applications fabricated by multi-beam pulsed laser deposition Applied Physics Letters, 101, (8), p. 81117. (doi:10.1063/1.4748107).

Sloyan, Katherine A., May-Smith, Timothy C., Zervas, Michalis N. and Eason, Robert W. (2012) Crystalline garnet Bragg reflectors for high power, high temperature, and integrated applications fabricated by multi-beam pulsed laser deposition Applied Physics Letters, 101, (8), p. 81117. (doi:10.1063/1.4748107).

Record type: Article

Abstract

Crystalline Bragg reflectors are of interest for high power, high temperature and integrated applications. We demonstrate the automated growth of such structures by shuttered multi-beam Pulsed Laser Deposition (PLD). Geometries include 145 layer stacks exhibiting >99.5% reflection and pi phase-shifted designs. A crystalline grating strength-apodized sample was grown by mixing plumes to obtain layers with custom refractive indices. Peak reflection wavelength was tuneable with incident position, samples withstood temperatures of ~750 °C and film and substrate have been shown to withstand incident pulsed laser fluences of up to ~33 Jcm-2.

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Published date: 24 August 2012
Keywords: Bragg gratings, gadolinium compounds, pulsed laser deposition, yttrium compounds
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 343088
URI: http://eprints.soton.ac.uk/id/eprint/343088
ISSN: 0003-6951
PURE UUID: 0679fae1-bf4e-4f69-80f1-de8e56206671
ORCID for Robert W. Eason: ORCID iD orcid.org/0000-0001-9704-2204

Catalogue record

Date deposited: 24 Sep 2012 12:30
Last modified: 11 Sep 2017 16:33

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Contributors

Author: Katherine A. Sloyan
Author: Timothy C. May-Smith
Author: Michalis N. Zervas
Author: Robert W. Eason ORCID iD

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