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High-numerical-aperture, contact-bonded, planar waveguides for diode-bar-pumped lasers

High-numerical-aperture, contact-bonded, planar waveguides for diode-bar-pumped lasers
High-numerical-aperture, contact-bonded, planar waveguides for diode-bar-pumped lasers
We report on the design and fabrication of Nd:YAG planar waveguides suitable for in-plane, diode-bar pumping. Contact-bonded Nd:YAG on Sapphire waveguides are shown to have the high numerical aperture (0.46), low propagation loss (<0.2dB/cm), and good thermal properties necessary to make efficient diode-bar-pumped lasers and amplifiers. Coupling efficiencies of 73% and 60% have been demonstrated between a 20W diode-bar and an 8µm and a 4µm thick planar waveguide respectively, leading to 3.7W of waveguide-laser output.
lasers, waveguides, diode-pumped lasers, contact-bonding, nd:yag
0030-4018
47-50
Shepherd, D.P.
9fdd51c4-39d6-41b3-9021-4c033c2f4ead
Bonner, C.L.
96e1b86d-6161-469a-b090-9aacf1e96c98
Brown, C.T.A.
7a30f6bb-ac13-457c-9c14-c6bbc12156c4
Clarkson, W.A.
3b060f63-a303-4fa5-ad50-95f166df1ba2
Tropper, A.C.
f3505426-e0d5-4e91-aed3-aecdb44b393c
Hanna, D.C.
3da5a5b4-71c2-4441-bb67-21f0d28a187d
Meissner, H.E.
86601686-f210-488c-8261-910cb1ff06a6
Shepherd, D.P.
9fdd51c4-39d6-41b3-9021-4c033c2f4ead
Bonner, C.L.
96e1b86d-6161-469a-b090-9aacf1e96c98
Brown, C.T.A.
7a30f6bb-ac13-457c-9c14-c6bbc12156c4
Clarkson, W.A.
3b060f63-a303-4fa5-ad50-95f166df1ba2
Tropper, A.C.
f3505426-e0d5-4e91-aed3-aecdb44b393c
Hanna, D.C.
3da5a5b4-71c2-4441-bb67-21f0d28a187d
Meissner, H.E.
86601686-f210-488c-8261-910cb1ff06a6

Shepherd, D.P., Bonner, C.L., Brown, C.T.A., Clarkson, W.A., Tropper, A.C., Hanna, D.C. and Meissner, H.E. (1999) High-numerical-aperture, contact-bonded, planar waveguides for diode-bar-pumped lasers. Optics Communications, 160 (1-3), 47-50. (doi:10.1016/S0030-4018(98)00653-1).

Record type: Article

Abstract

We report on the design and fabrication of Nd:YAG planar waveguides suitable for in-plane, diode-bar pumping. Contact-bonded Nd:YAG on Sapphire waveguides are shown to have the high numerical aperture (0.46), low propagation loss (<0.2dB/cm), and good thermal properties necessary to make efficient diode-bar-pumped lasers and amplifiers. Coupling efficiencies of 73% and 60% have been demonstrated between a 20W diode-bar and an 8µm and a 4µm thick planar waveguide respectively, leading to 3.7W of waveguide-laser output.

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Published date: 1 February 1999
Keywords: lasers, waveguides, diode-pumped lasers, contact-bonding, nd:yag
Learn more about Optoelectronics Research Centre research

Identifiers

Local EPrints ID: 77847
URI: http://eprints.soton.ac.uk/id/eprint/77847
DOI: doi:10.1016/S0030-4018(98)00653-1
ISSN: 0030-4018
PURE UUID: be40308b-4b3a-4d1e-8ff9-891005112614
ORCID for D.P. Shepherd: ORCID iD orcid.org/0000-0002-4561-8184

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Date deposited: 11 Mar 2010
Last modified: 09 Jan 2022 02:38

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Contributors

Author: D.P. Shepherd ORCID iD
Author: C.L. Bonner
Author: C.T.A. Brown
Author: W.A. Clarkson
Author: A.C. Tropper
Author: D.C. Hanna
Author: H.E. Meissner

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