Abstract

Infrared upconversion is the only currently available diagnostic technique for 10-μm CO2 laser pulses that provides both linearity and picosecond time-resolution capability. We report an investigation of the linearity for upconversion of nanosecond CO2-laser pulses in proustite pumped by a Nd:YAG laser. This was examined over three orders of magnitude of infrared intensity, and peak pump quantum-conversion efficiencies of 30% were obtained.

© 1979 Optical Society of America

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