1 March 1992 High-repetition-rate laser systems based on a high-energy phase-conjugated multiple-pass amplifier and a low-power oscillator
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Abstract
A high-gain, high-energy extraction efficiency, phase-conjugated, multiple-pass amplifier was developed using Nd:YAG. The amplifier was used with a low-energy, self-injection locked, passively Q-switched, highrepetition-rate oscillator to obtain energies of 0.85 J in SLM laser pulses of durations variable between <7 and >17 ns. At high repetition rates (20 Hz), the average power reached 14.5 W. Beam quality was better than 2 x diffraction limited. A two-dimensional multiple-pass model was developed for the purpose of interpretation and design.
Steven M. Jackel, Raphael Lallouz, Pamela Jackel, Sharon Atzmon, Shmuel Sternklar, Ariold Ludmirsky, Ariyeh Zigler, "High-repetition-rate laser systems based on a high-energy phase-conjugated multiple-pass amplifier and a low-power oscillator," Optical Engineering 31(3), (1 March 1992). https://doi.org/10.1117/12.56096
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