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4 March 2015 High-power VCSEL arrays for consumer electronics
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Abstract
Finisar has developed a line of high power, high efficiency VCSEL arrays. They are fabricated at 860nm as traditional P side up top emitting devices, leveraging Finisar’s existing VCSEL fab and test processes for low cost, high volume capability. A thermal camera is used to accurately measure temperature profiles across the arrays at a variety of operating conditions and further allowing development of a full reliability model. The arrays are shown to demonstrate wear out reliability suitable for a wide range of applications. Typical 1/e^2 beam divergence is near 16 degrees under CW operating conditions at peak wall plug efficiency, narrowing further under pulsed drive conditions.
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Luke A. Graham, Hao Chen, Jonathan Cruel, James Guenter, Bobby Hawkins, Bobby Hawthorne, David Q. Kelly, Alirio Melgar, Mario Martinez, Edward Shaw, and Jim A. Tatum "High-power VCSEL arrays for consumer electronics", Proc. SPIE 9381, Vertical-Cavity Surface-Emitting Lasers XIX, 93810A (4 March 2015); https://doi.org/10.1117/12.2080064
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