0.85 PW laser operation at 3.3 Hz and high-contrast ultrahigh-intensity λ = 400  nm second-harmonic beamline

Wang, Yong, author; Wang, Shoujun, author; Rockwood, Alex, author; Luther, Bradley M., author; Hollinger, Reed, author; Curtis, Alden, author; Calvi, Chase, author; Menoni, Carmen S., author; Rocca, Jorge J., author; Optical Society of America, publisher

0.85 PW laser operation at 3.3 Hz and high-contrast ultrahigh-intensity λ = 400 nm second-harmonic beamline

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WangSJ_OptLet_2017.pdf (2.01 MB)

Date

2017-09-22

Authors

Wang, Yong, author

Wang, Shoujun, author

Rockwood, Alex, author

Luther, Bradley M., author

Hollinger, Reed, author

Curtis, Alden, author

Calvi, Chase, author

Menoni, Carmen S., author

Rocca, Jorge J., author

Optical Society of America, publisher

Abstract

We demonstrate the generation of 0.85 PW, 30 fs laser pulses at a repetition rate of 3.3 Hz with a record average power of 85 W from a Ti:sapphire laser. The system is pumped by high-energy Nd:glass slab amplifiers frequency doubled in LiB3O5 (LBO). Ultrahigh-contrast λ = 400 nm femtosecond pulses were generated in KH2PO4 (KDP) with>40% efficiency. An intensity of 6.5 × 1021 W∕cm2 was obtained by frequency doubling 80% of the available Ti:sapphire energy and focusing the doubled light with an f∕2 parabola. This laser will enable highly relativistic plasma experiments to be conducted at high repetition rate.

Subject

diode pumped lasers

femtosecond lasers

femtosecond pulses

laser amplifiers

laser operation

ti:sapphire lasers

URI

https://hdl.handle.net/10217/206006

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0.85 PW laser operation at 3.3 Hz and high-contrast ultrahigh-intensity λ = 400 nm second-harmonic beamline

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