Abstract
Copper HyBrID lasers are efficient highpower sources of green and yellow coherent radiation. They have been demonstrated to be capable of average output powers of up to 201 W at an efficiency (based on stored energy) of 1.9% and of average powers of up to 120 W at an efficiency of 3.2%.1 In Ref. 2 we reported qualitative experiments from which we concluded that HyBrID lasers have higher output powers and efficiencies than other types of copper lasers fundamentally because of the rapid clearance of free electrons before each excitation pulse by efficient electron attachment to Br and H atoms in the interpulse period and because of enhanced recombination processes during that time. We now present spatially and temporally resolved measurements of the electron density in an operating copper HyBrID laser that support those conclusions.
© 1995 Optical Society of America
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