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Spectra and energy levels of the trivalent ytterbium ion doped into lithium niobate by thermal indiffusion

Jones, J.K., de Sandro, J.P., Hempstead, M., Shepherd, D.P., Tropper, A.C. and Wilkinson, J.S. (1993) Spectra and energy levels of the trivalent ytterbium ion doped into lithium niobate by thermal indiffusion At Materials Research Society Symposium New Materials for Advanced Solid State Lasers, United States. 29 Nov - 03 Dec 1993.

Record type: Conference or Workshop Item (Paper)

Abstract

An x-cut LiNbO3 substrate has been doped with Yb3+ ions by thermal diffusion from an Yb metal film of thickness 7nm. Polarised absorption and fluorescence spectra of the dopant ion have been measured using Ti-diffused y-propagating channel waveguides prepared in the doped region. Yb is a diode- pumpable laser ion with characteristics which can be compared favourably with those of Nd in some respects; for example the small energy difference between pump and laser photons reduces thermal load facilitating high power operation. A waveguide laser geometry is particularly advantageous for Yb due to the quasi-3-level nature of the laser transition. The simple fabrication technique described here has been used to produce a system which may have the potential to operate as an Yb waveguide laser in an electro-optic host crystal.

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e-pub ahead of print date: 1993
Venue - Dates: Materials Research Society Symposium New Materials for Advanced Solid State Lasers, United States, 1993-11-29 - 1993-12-03

Identifiers

Local EPrints ID: 77227
URI: http://eprints.soton.ac.uk/id/eprint/77227
ISBN: 1558992286
PURE UUID: b532d627-eb22-4215-97b2-625107158591
ORCID for D.P. Shepherd: ORCID iD orcid.org/0000-0002-4561-8184
ORCID for J.S. Wilkinson: ORCID iD orcid.org/0000-0003-4712-1697

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:33

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Contributors

Author: J.K. Jones
Author: J.P. de Sandro
Author: M. Hempstead
Author: D.P. Shepherd ORCID iD
Author: A.C. Tropper
Author: J.S. Wilkinson ORCID iD

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