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Conditions for efficient build-up of power in photorefractive ring cavities

Conditions for efficient build-up of power in photorefractive ring cavities
Conditions for efficient build-up of power in photorefractive ring cavities
We present results on modelling of amplification of light in a photorefractive ring resonator and on the optimum parameters required to achieve a high build-up of power. We show that an efficient resonator can be realised even with moderate coupling coefficients, of the order of 5/cm, provided the value of absorption is low, namely below 0.1/cm. These two conditions can be simultaneously fulfilled in a Rh:BaTiO3 crystal, using a near-infrared (1.06µm) laser as a pump beam. The low absorption coefficient condition also relaxes the dependence on the absolute value of transmission/reflection of the out-coupling element.
0030-4018
334-338
Kaczmarek, M.
408ec59b-8dba-41c1-89d0-af846d1bf327
Eason, R.W.
e38684c3-d18c-41b9-a4aa-def67283b020
Kaczmarek, M.
408ec59b-8dba-41c1-89d0-af846d1bf327
Eason, R.W.
e38684c3-d18c-41b9-a4aa-def67283b020

Kaczmarek, M. and Eason, R.W. (1998) Conditions for efficient build-up of power in photorefractive ring cavities. Optics Communications, 154 (5-6), 334-338. (doi:10.1016/S0030-4018(98)00334-4).

Record type: Article

Abstract

We present results on modelling of amplification of light in a photorefractive ring resonator and on the optimum parameters required to achieve a high build-up of power. We show that an efficient resonator can be realised even with moderate coupling coefficients, of the order of 5/cm, provided the value of absorption is low, namely below 0.1/cm. These two conditions can be simultaneously fulfilled in a Rh:BaTiO3 crystal, using a near-infrared (1.06µm) laser as a pump beam. The low absorption coefficient condition also relaxes the dependence on the absolute value of transmission/reflection of the out-coupling element.

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Published date: September 1998
Learn more about Optoelectronics Research Centre research Learn more about Physics & Astronomy research

Identifiers

Local EPrints ID: 77882
URI: http://eprints.soton.ac.uk/id/eprint/77882
DOI: doi:10.1016/S0030-4018(98)00334-4
ISSN: 0030-4018
PURE UUID: d556fb1b-351e-4360-82dc-41b67866f703
ORCID for R.W. Eason: ORCID iD orcid.org/0000-0001-9704-2204

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Date deposited: 11 Mar 2010
Last modified: 14 Mar 2024 02:33

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Author: M. Kaczmarek
Author: R.W. Eason ORCID iD

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