Spatio-temporal structure of a petawatt femtosecond laser beam
Abstract
Abstract The development of optical metrology suited to ultrafast lasers has played a key role in the progress of these light sources in the last few decades. Measurement techniques providing the complete E -field of ultrashort laser beams in both time and space are now being developed. Yet, they had so far not been applied to the most powerful ultrashort lasers, which reach the PetaWatt range by pushing the chirped pulse amplification (CPA) scheme to its present technical limits. This situation left doubts on their actual performance, and in particular on the peak intensity they can reach at focus. In this article we present the first complete spatio-temporal characterization of a PetaWatt femtosecond laser operating at full intensity, the BELLA laser, using two recently-developed independent measurement techniques. Our results demonstrate that, with adequate optimization, the CPA technique is still suitable at these extreme scales, i.e. it is not inherently limited by spatio-temporal couplings. We also show how these measurements provide unprecedented insight into the physics and operation regime of such laser systems.
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- OSTI Identifier:
- 1526086
- Alternate Identifier(s):
- OSTI ID: 1564072
- Grant/Contract Number:
- AC02-05CH11231
- Resource Type:
- Published Article
- Journal Name:
- JPhys Photonics
- Additional Journal Information:
- Journal Name: JPhys Photonics Journal Volume: 1 Journal Issue: 3; Journal ID: ISSN 2515-7647
- Publisher:
- IOP Publishing
- Country of Publication:
- United Kingdom
- Language:
- English
- Subject:
- 47 OTHER INSTRUMENTATION; ultrafast lasers; ultrafast metrology; high power lasers; ultrashort pulses
Citation Formats
Jeandet, Antoine, Borot, Antonin, Nakamura, Kei, Jolly, Spencer W., Gonsalves, Anthony J., Tóth, Csaba, Mao, Hann-Shin, Leemans, Wim P., and Quéré, Fabien. Spatio-temporal structure of a petawatt femtosecond laser beam. United Kingdom: N. p., 2019.
Web. doi:10.1088/2515-7647/ab250d.
Jeandet, Antoine, Borot, Antonin, Nakamura, Kei, Jolly, Spencer W., Gonsalves, Anthony J., Tóth, Csaba, Mao, Hann-Shin, Leemans, Wim P., & Quéré, Fabien. Spatio-temporal structure of a petawatt femtosecond laser beam. United Kingdom. https://doi.org/10.1088/2515-7647/ab250d
Jeandet, Antoine, Borot, Antonin, Nakamura, Kei, Jolly, Spencer W., Gonsalves, Anthony J., Tóth, Csaba, Mao, Hann-Shin, Leemans, Wim P., and Quéré, Fabien. Thu .
"Spatio-temporal structure of a petawatt femtosecond laser beam". United Kingdom. https://doi.org/10.1088/2515-7647/ab250d.
@article{osti_1526086,
title = {Spatio-temporal structure of a petawatt femtosecond laser beam},
author = {Jeandet, Antoine and Borot, Antonin and Nakamura, Kei and Jolly, Spencer W. and Gonsalves, Anthony J. and Tóth, Csaba and Mao, Hann-Shin and Leemans, Wim P. and Quéré, Fabien},
abstractNote = {Abstract The development of optical metrology suited to ultrafast lasers has played a key role in the progress of these light sources in the last few decades. Measurement techniques providing the complete E -field of ultrashort laser beams in both time and space are now being developed. Yet, they had so far not been applied to the most powerful ultrashort lasers, which reach the PetaWatt range by pushing the chirped pulse amplification (CPA) scheme to its present technical limits. This situation left doubts on their actual performance, and in particular on the peak intensity they can reach at focus. In this article we present the first complete spatio-temporal characterization of a PetaWatt femtosecond laser operating at full intensity, the BELLA laser, using two recently-developed independent measurement techniques. Our results demonstrate that, with adequate optimization, the CPA technique is still suitable at these extreme scales, i.e. it is not inherently limited by spatio-temporal couplings. We also show how these measurements provide unprecedented insight into the physics and operation regime of such laser systems.},
doi = {10.1088/2515-7647/ab250d},
journal = {JPhys Photonics},
number = 3,
volume = 1,
place = {United Kingdom},
year = {Thu Jun 13 00:00:00 EDT 2019},
month = {Thu Jun 13 00:00:00 EDT 2019}
}
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https://doi.org/10.1088/2515-7647/ab250d
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