Ionization waves of arbitrary velocity driven by a flying focus
Abstract
A chirped laser pulse focused by a chromatic lens exhibits a dynamic, or flying, focus in which the trajectory of the peak intensity decouples from the group velocity. In a medium, the flying focus can trigger an ionization front that follows this trajectory. By adjusting the chirp, the ionization front can be made to travel at an arbitrary velocity along the optical axis. For this study, we present analytical calculations and simulations describing the propagation of the flying focus pulse, the self-similar form of its intensity profile, and ionization wave formation. The ability to control the speed of the ionization wave and, in conjunction, mitigate plasma refraction has the potential to advance several laser-based applications, including Raman amplification, photon acceleration, high-order-harmonic generation, and THz generation.
- Authors:
-
- Univ. of Rochester, NY (United States). Lab. for Laser Energetics
- Publication Date:
- Research Org.:
- Univ. of Rochester, NY (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Fusion Energy Sciences (FES); USDOE National Nuclear Security Administration (NNSA); New York State Energy Research and Development Authority (NYSERDA)
- OSTI Identifier:
- 1432173
- Alternate Identifier(s):
- OSTI ID: 1426515
- Report Number(s):
- 2017-257; 1390
Journal ID: ISSN 2469-9926; PLRAAN; 2017-257, 1390, 2348
- Grant/Contract Number:
- NA0001944; SC0016253
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review A
- Additional Journal Information:
- Journal Volume: 97; Journal Issue: 3; Journal ID: ISSN 2469-9926
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; laser-plasma interactions; light propagation, transmission and absorption; multiphoton or tunneling ionization and excitation; plasma ionization
Citation Formats
Palastro, J. P., Turnbull, D., Bahk, S. -W., Follett, R. K., Shaw, J. L., Haberberger, D., Bromage, J., and Froula, D. H. Ionization waves of arbitrary velocity driven by a flying focus. United States: N. p., 2018.
Web. doi:10.1103/PhysRevA.97.033835.
Palastro, J. P., Turnbull, D., Bahk, S. -W., Follett, R. K., Shaw, J. L., Haberberger, D., Bromage, J., & Froula, D. H. Ionization waves of arbitrary velocity driven by a flying focus. United States. https://doi.org/10.1103/PhysRevA.97.033835
Palastro, J. P., Turnbull, D., Bahk, S. -W., Follett, R. K., Shaw, J. L., Haberberger, D., Bromage, J., and Froula, D. H. Thu .
"Ionization waves of arbitrary velocity driven by a flying focus". United States. https://doi.org/10.1103/PhysRevA.97.033835. https://www.osti.gov/servlets/purl/1432173.
@article{osti_1432173,
title = {Ionization waves of arbitrary velocity driven by a flying focus},
author = {Palastro, J. P. and Turnbull, D. and Bahk, S. -W. and Follett, R. K. and Shaw, J. L. and Haberberger, D. and Bromage, J. and Froula, D. H.},
abstractNote = {A chirped laser pulse focused by a chromatic lens exhibits a dynamic, or flying, focus in which the trajectory of the peak intensity decouples from the group velocity. In a medium, the flying focus can trigger an ionization front that follows this trajectory. By adjusting the chirp, the ionization front can be made to travel at an arbitrary velocity along the optical axis. For this study, we present analytical calculations and simulations describing the propagation of the flying focus pulse, the self-similar form of its intensity profile, and ionization wave formation. The ability to control the speed of the ionization wave and, in conjunction, mitigate plasma refraction has the potential to advance several laser-based applications, including Raman amplification, photon acceleration, high-order-harmonic generation, and THz generation.},
doi = {10.1103/PhysRevA.97.033835},
journal = {Physical Review A},
number = 3,
volume = 97,
place = {United States},
year = {Thu Mar 01 00:00:00 EST 2018},
month = {Thu Mar 01 00:00:00 EST 2018}
}
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Works referencing / citing this record:
Spatiotemporal control of laser intensity
journal, March 2018
- Froula, Dustin H.; Turnbull, David; Davies, Andrew S.
- Nature Photonics, Vol. 12, Issue 5
Cascaded chirped photon acceleration for efficient frequency conversion
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journal, March 2019
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Photon Acceleration in a Flying Focus
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