Time-resolved far-field analysis of a high-power single emitter laser diode

Donald M. Cornwell Jr.; Glenn L. Unger

doi:10.1117/12.59183

26 June 1992 Time-resolved far-field analysis of a high power single emitter laser diode

Donald M. Cornwell Jr., Glenn L. Unger

Proceedings Volume 1634, Laser Diode Technology and Applications IV; (1992) https://doi.org/10.1117/12.59183
Event: OE/LASE '92, 1992, Los Angeles, CA, United States

Abstract

A system was developed which is capable of measuring the time-resolved far-field radiation patterns from a high-power semiconductor laser under intensity modulated conditions. Angular steering of the fundamental spatial mode was observed, with pointing variations as large as 0.5 deg, or 7.5 percent of the beamwidth, during the time of the optical pulse. The variations in pointing angle were directly related to gradients in the transverse index profile of the laser, which may oscillate based on lateral spatial hole burning of the gain and carrier density.

Citation Download Citation

Donald M. Cornwell Jr. and Glenn L. Unger "Time-resolved far-field analysis of a high power single emitter laser diode", Proc. SPIE 1634, Laser Diode Technology and Applications IV, (26 June 1992); https://doi.org/10.1117/12.59183

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