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Title: Overcoming gas ionization limitations with divided-pulse nonlinear compression

Journal Article · · Optics Express
DOI:https://doi.org/10.1364/OE.402772· OSTI ID:1671348

We simulate Kerr and plasma nonlinearities in a hollow-core fiber to show how plasma effects degrade the output pulse. Our simulations predict the plasma effects can be avoided entirely by implementing divided-pulse nonlinear compression. In divided-pulse nonlinear compression, a high-energy pulse is divided into multiple low-energy pulses, which are spectrally broadened in the hollow-core fiber and then recombined into a high-energy, spectrally broadened pulse. With the plasma effects overcome, spectral broadening can be scaled to larger broadening factors and higher pulse energies. We anticipate this method will also be useful to scale spectral broadening in gas-filled multipass cells.

Research Organization:
Univ. of Rochester, NY (United States). Lab. for Laser Energetics
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Contributing Organization:
Laboratory for Laser Energetics, University of Rochester
Grant/Contract Number:
NA0003856
OSTI ID:
1671348
Alternate ID(s):
OSTI ID: 1675374
Report Number(s):
2020-171, 2586, 2541; OPEXFF
Journal Information:
Optics Express, Journal Name: Optics Express Vol. 28 Journal Issue: 21; ISSN 1094-4087
Publisher:
Optical Society of America (OSA)Copyright Statement
Country of Publication:
United States
Language:
English

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Figures / Tables (7)


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