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Raymond J. Beach
Researcher at Lawrence Livermore National Laboratory
Publications - 242
Citations - 6123
Raymond J. Beach is an academic researcher from Lawrence Livermore National Laboratory. The author has contributed to research in topics: Laser & Laser power scaling. The author has an hindex of 42, co-authored 242 publications receiving 5912 citations. Previous affiliations of Raymond J. Beach include University of California & United States Department of Energy.
Papers
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Journal ArticleDOI
Analysis of the scalability of diffraction-limited fiber lasers and amplifiers to high average power
Jay W. Dawson,Michael J. Messerly,Raymond J. Beach,M. Y. Shverdin,Eddy A. Stappaerts,Arun K. Sridharan,Paul H. Pax,John E. Heebner,Craig W. Siders,Christopher P. J. Barty +9 more
TL;DR: This analysis shows that if the fiber's MFD could be increased arbitrarily, 36 kW of power could be obtained with diffraction-limited quality from a fiber laser or amplifier, but limits to the scaling of the MFD may restrict fiber lasers to lower output powers.
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Resonance transition 795-nm rubidium laser
TL;DR: The end-pumped rubidium laser performance was well described by use of literature spectroscopic and kinetic data in a model that takes into account ground-level depletion and a pump spectral bandwidth that is substantially larger than the collisionally broadened pump transition spectral width.
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115-W Tm:YAG diode-pumped solid-state laser
Eric C. Honea,Raymond J. Beach,S.B. Sutton,J. A. Speth,Scott C. Mitchell,Jay A. Skidmore,Mark A. Emanuel,Stephen A. Payne +7 more
TL;DR: In this article, a scalable diode-pumped Tm:YAG laser capable of generating greater than 100 W of CW power at 2 /spl mu/m has been demonstrated.
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End-pumped continuous-wave alkali vapor lasers: experiment, model, and power scaling
Raymond J. Beach,William F. Krupke,V. Keith Kanz,Stephen A. Payne,Mark Dubinskii,Larry D. Merkle +5 more
TL;DR: In this article, the first experimental demonstration of an end-pumped Cs laser using a Ti:sapphire laser for pump excitation is presented, and a discussion is given on power scaling diodepumped alkali lasers, indicating a potential efficiency advantage over power-scaled diode-pump solid-state lasers.
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Modular microchannel cooled heatsinks for high average power laser diode arrays
Raymond J. Beach,William J. Benett,Barry L. Freitas,D. Mundinger,Brian J. Comaskey,Richard W. Solarz,Mark A. Emanuel +6 more
TL;DR: In this paper, an efficient and low thermal impedance laser diode array heatsink is presented for high duty factor or CW operation of fully filled diode arrays made possible at high average power.