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7 May 2012 Large-area high-power VCSEL pump arrays optimized for high-energy lasers
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Practical, large-area, high-power diode pumps for one micron (Nd, Yb) as well as eye-safer wavelengths (Er, Tm, Ho) are critical to the success of any high energy diode pumped solid state laser. Diode efficiency, brightness, availability and cost will determine how realizable a fielded high energy diode pumped solid state laser will be. 2-D Vertical-Cavity Surface-Emitting Laser (VCSEL) arrays are uniquely positioned to meet these requirements because of their unique properties, such as low divergence circular output beams, reduced wavelength drift with temperature, scalability to large 2-D arrays through low-cost and high-volume semiconductor photolithographic processes, high reliability, no catastrophic optical damage failure, and radiation and vacuum operation tolerance. Data will be presented on the status of FLIR-EOC's VCSEL pump arrays. Analysis of the key aspects of electrical, thermal and mechanical design that are critical to the design of a VCSEL pump array to achieve high power efficient array performance will be presented.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Chad Wang, Jonathan Geske, Henry Garrett, Terri Cardellino, Fedor Talantov, Glen Berdin, David Millenheft, Daniel Renner, and Daniel Klemer "Large-area high-power VCSEL pump arrays optimized for high-energy lasers", Proc. SPIE 8381, Laser Technology for Defense and Security VIII, 83811R (7 May 2012);


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