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The use of novel laser cavity designs to provide more flexible control over the Q-switch repetition rate is investigated. A system is demonstrated which allows stable Q-switching over 0-380 kHz repetition rate, with power/energy scalability by a bounce power amplifier. This work demonstrates flexible pulse rate control of high power bounce geometry systems over a wide range of repetition rates. The...
The development of high average power lasers is an area of major research and commercial effort. Moving to high average powers has been thwarted by thermal induced refractive index changes which limit the maximum attainable power at high beam quality. Coherent beam combination (CBC) has been an area of significant research effort as it offers the ability to run multiple low power, high quality, lasers...
A short-pulse fiber injection laser for the advanced radiographic capability on the National Ignition Facility has been developed at Lawrence Livermore National Laboratory. This system produces 100 ??J pulses with 5 nm of bandwidth centered at 1053 nm. The pulses are stretched to 2.5 ns, and have been recompressed to subpicoseconds pulsewidths. A key feature of the system is that the prepulse power...
This paper discusses the significant advancements in the 2-micron laser development. A world record one-Joule-per-pulse energy laser system and an advanced thermal management with fully conductive cooled laser technique are discussed.
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