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Continuous wave adaptive laser resonators using degenerate four-wave mixing in a diode bar side-pumped Nd:YVO4 amplifier

Record type: Conference or Workshop Item (Paper)

Self-adaptive laser resonators based on diffraction from a gain grating have shown considerable promise for correction of distortion in high-average-power solid-state laser systems, as well as for spectral and temporal control of the laser radiation [1-4]. In these systems, the gain grating is formed by spatial hole burning caused by interference of coherent beams in the laser amplifier and modulation of the population inversion. The gain grating formation can be used for phase conjugation by using the amplifier in a four-wave mixing geometry [2], for self-pumped phase conjugation by using an input beam in a self-intersecting loop geometry [3] and for formation of a self-starting adaptive oscillator by providing additional feedback from an output coupler and requiring no external optical input. Experimental demonstrations have been performed successfully in several laser systems including flashlamp-pumped and quasi-c.w. pumped neodymium-doped amplifiers [1,2], in laser-pumped titanium-doped sapphire [4] and CO2 lasers. We present for the first time, demonstration of a continuous-wave self-adaptive holographic laser resonator. The operation is based on the very high reflectivities (>100) of a gain grating formed in a diode-bar side-pumped Nd:YVO4 amplifier.

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Citation

Hendricks, J., Mailis, S., Shepherd, D.P., Tropper, A.C., Crofts, G.J., Trew, M., Damzen, M.J. and Eason, R.W. (1999) Continuous wave adaptive laser resonators using degenerate four-wave mixing in a diode bar side-pumped Nd:YVO4 amplifier At 14th National Quantum Electronics Conference (QE14), United Kingdom. 06 - 09 Sep 1999.

More information

Published date: 1999
Venue - Dates: 14th National Quantum Electronics Conference (QE14), United Kingdom, 1999-09-06 - 1999-09-09

Identifiers

Local EPrints ID: 76510
URI: http://eprints.soton.ac.uk/id/eprint/76510
PURE UUID: 562940f2-e0a9-42e4-a117-2d53956caa51
ORCID for D.P. Shepherd: ORCID iD orcid.org/0000-0002-4561-8184
ORCID for R.W. Eason: ORCID iD orcid.org/0000-0001-9704-2204

Catalogue record

Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:39

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Contributors

Author: J. Hendricks
Author: S. Mailis
Author: D.P. Shepherd ORCID iD
Author: A.C. Tropper
Author: G.J. Crofts
Author: M. Trew
Author: M.J. Damzen
Author: R.W. Eason ORCID iD

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