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Q-switched CO2laser

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1 Author(s)
Smith, D. ; United Aircraft Research Laboratories, East Hartford, CT, USA

Experimental studies of a rotating-mirrorQ-switched CO2laser have been undertaken to obtain high peak powers at 10.6-μ wavelength. TheQ-switched pulse has a temporal structure consisting of two intensity peaks and is similar to the temporal behavior of a slowQ-switched CO2laser. Based on the gas pressure dependence it appears that the pulse structure and duration are influenced by collision-induced relaxations of the laser medium. Using an oscillator-amplifier system peak powers of 120 kW with pulsewidths of 200 ns have been obtained.

Published in:

Quantum Electronics, IEEE Journal of  (Volume:5 ,  Issue: 6 )