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Conical refraction Nd:KGd(WO4)2 laser

Conical refraction Nd:KGd(WO4)2 laser
Conical refraction Nd:KGd(WO4)2 laser
In 1832 Hamilton predicted conical refraction, concluding that if a beam propagates along an optic axis of a biaxial crystal, a hollow cone of light will emerge. Nearly two centuries on, cascade conical refraction involving multiple crystals has not been investigated. We empirically investigate a unique two-crystal configuration, and use this to demonstrate an ultra-efficient conical refraction Nd:KGd(WO4)2 laser providing multi-watt output with excellent beam quality independent of resonator design with a slope efficiency close to the theoretical maximum, offering a new route for power and brightness-scaling in solid-state bulk lasers.
1094-4087
2753-2759
Abdolvand, Amin
7fbb6b1e-de96-43d1-8211-54c17c3d947a
Wilcox, Keith G.
b7c8da76-3530-4cbf-aaec-ffa11c347230
Kalkandjiev, Todor K.
56514a0b-d5ba-463d-afcb-c993c5241114
Rafailov, Edik U.
a362b573-1941-4fe0-aa8a-21c05ce09842
Abdolvand, Amin
7fbb6b1e-de96-43d1-8211-54c17c3d947a
Wilcox, Keith G.
b7c8da76-3530-4cbf-aaec-ffa11c347230
Kalkandjiev, Todor K.
56514a0b-d5ba-463d-afcb-c993c5241114
Rafailov, Edik U.
a362b573-1941-4fe0-aa8a-21c05ce09842

Abdolvand, Amin, Wilcox, Keith G., Kalkandjiev, Todor K. and Rafailov, Edik U. (2010) Conical refraction Nd:KGd(WO4)2 laser. Optics Express, 18 (3), 2753-2759. (doi:10.1364/OE.18.002753). (PMID:20174104)

Record type: Article

Abstract

In 1832 Hamilton predicted conical refraction, concluding that if a beam propagates along an optic axis of a biaxial crystal, a hollow cone of light will emerge. Nearly two centuries on, cascade conical refraction involving multiple crystals has not been investigated. We empirically investigate a unique two-crystal configuration, and use this to demonstrate an ultra-efficient conical refraction Nd:KGd(WO4)2 laser providing multi-watt output with excellent beam quality independent of resonator design with a slope efficiency close to the theoretical maximum, offering a new route for power and brightness-scaling in solid-state bulk lasers.

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More information

Published date: February 2010
Organisations: Quantum, Light & Matter Group

Identifiers

Local EPrints ID: 339116
URI: http://eprints.soton.ac.uk/id/eprint/339116
ISSN: 1094-4087
PURE UUID: 4d2232ec-7949-4956-bc24-8cccd57c5f3e

Catalogue record

Date deposited: 25 May 2012 07:48
Last modified: 13 Dec 2018 17:30

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