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20 April 2017 Internal cooling of fiber and disc lasers by radiation balancing and other optical and phonon processes: radiation-balanced lasers: new vistas in optical gain and refrigeration materials (Conference Presentation)
James G. Eden, John M. Ballato, Michel J. F. Digonnet, Peter D. Dragic, Andrey E. Mironov, Stephen C. Rand
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Proceedings Volume 10121, Optical and Electronic Cooling of Solids II; 101210I (2017) https://doi.org/10.1117/12.2253178
Event: SPIE OPTO, 2017, San Francisco, California, United States
Abstract
A new AFOSR MURI program, devoted to the pursuit of cooling solid state lasers internally, is underway and will be described. Comprising research teams from four universities, this program will focus on fiber and disc lasers and the demonstration of optical and/or phonon-based processes capable of maintaining beam quality as power loading of the medium rises. Emphasis will be placed on leveraging novel resonator designs to enhance a targeted optical field-material interaction such that localized cooling occurs within the gain medium. Examples will be given of two systems that are being pursued initially.
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James G. Eden, John M. Ballato, Michel J. F. Digonnet, Peter D. Dragic, Andrey E. Mironov, and Stephen C. Rand "Internal cooling of fiber and disc lasers by radiation balancing and other optical and phonon processes: radiation-balanced lasers: new vistas in optical gain and refrigeration materials (Conference Presentation)", Proc. SPIE 10121, Optical and Electronic Cooling of Solids II, 101210I (20 April 2017); https://doi.org/10.1117/12.2253178
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KEYWORDS
Fiber lasers
Laser processing
Phonons
Resonators
Solid state lasers
Current controlled current source
Solids
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