High-power, subpicosecond 10-μm pulse generation

Abstract

Two-picosecond, 10-μm pulses, generated by optical semiconductor switching, have been regeneratively amplified in a multiatmosphere TE CO₂ gain module. Pulses have been produced with a peak circulating energy of ~15 mJ and a power density in the gain medium in excess of 10¹² W/cm². A plasma-breakdown wave, traveling with the regeneratively amplified pulse, combined with anomalous dispersion in the NaCl windows, has permitted compression of these pulses to less than 1 psec in duration.

© 1983 Optical Society of America

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