Abstract

The effects of shot life on the output power, spectrum, near field, and far field patterns of a high power laser diode array have been measured and are reported, along with a description of the apparatus used to perform the measurements. The array operated for a total of 5.9 × 107 shots at a power output equivalent to 1 kW/cm2. A 23% degradation in output power was observed, accompanied by a 3-nm red shift of the emission maximum. The effects of the measured drop in performance are particularly relevant to the application of these devices for pumping solid state lasers.

© 1990 Optical Society of America

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