High Power Laser Science and Engineering, 2018, 6 (1): 01000e11, Published Online: Jul. 3, 2018   

Scaling diode-pumped, high energy picosecond lasers to kilowatt average powers Download: 822次

Author Affiliations
1 Department of Electrical and Computer Engineering, Colorado State University, Fort Collins, CO 80523, USA
2 XUV Lasers Inc., PO Box 273251, Fort Collins, CO 80527, USA
3 Department of Physics, Colorado State University, Fort Collins, CO 80523, USA
Abstract
Recent results in the development of diode-driven high energy, high repetition rate, picosecond lasers, including the demonstration of a cryogenic Yb:YAG active mirror amplifier that produces 1.5 J pulses at 500 Hz repetition rate (0.75 kW average power) are reviewed. These pulses are compressed resulting in the generation of ${\sim}5~\text{ps}$ duration, 1 J pulses with 0.5 kW average power. A full characterization of this high power cryogenic amplifier, including at-wavelength interferometry of the active region under ${>}1~\text{kW}$ average power pump conditions, is presented. An initial demonstration of operation at 1 kW average power (1 J, 1 kHz) is reported.

Brendan A. Reagan, Cory Baumgarten, Elzbieta Jankowska, Han Chi, Herman Bravo, Kristian Dehne, Michael Pedicone, Liang Yin, Hanchen Wang, Carmen S. Menoni, Jorge J. Rocca. Scaling diode-pumped, high energy picosecond lasers to kilowatt average powers[J]. High Power Laser Science and Engineering, 2018, 6(1): 01000e11.

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