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Title: An ultra-high gain and efficient amplifier based on Raman amplification in plasma

Abstract

Raman amplification arising from the excitation of a density echelon in plasma could lead to amplifiers that significantly exceed current power limits of conventional laser media. Here we show that 1–100 J pump pulses can amplify picojoule seed pulses to nearly joule level. The extremely high gain also leads to significant amplification of backscattered radiation from “noise”, arising from stochastic plasma fluctuations that competes with externally injected seed pulses, which are amplified to similar levels at the highest pump energies. The pump energy is scattered into the seed at an oblique angle with 14 J sr-1, and net gains of more than eight orders of magnitude. The maximum gain coefficient, of 180 cm-1, exceeds high-power solid-state amplifying media by orders of magnitude. The observation of a minimum of 640 J sr-1 directly backscattered from noise, corresponding to ≈10% of the pump energy in the observation solid angle, implies potential overall efficiencies greater than 10%.

Authors:
ORCiD logo [1];  [2];  [2];  [3];  [2];  [4];  [2];  [5];  [2];  [2];  [2];  [2];  [2];  [2]; ORCiD logo [2]; ORCiD logo [2]; ORCiD logo [6];  [2];  [2];  [2] more »;  [7];  [8];  [8];  [6];  [3];  [2] « less
  1. Univ. of Strathclyde, Glasgow, Scotland (United Kingdom); Academy of Sciences of the Czech Republic (ASCR), Prague (Czech Republic)
  2. Univ. of Strathclyde, Glasgow, Scotland (United Kingdom)
  3. Univ. of Lisbon (Portugal)
  4. Univ. of Strathclyde, Glasgow, Scotland (United Kingdom); National Inst. for Physics and Nuclear Engineering, Bucharest (Romania)
  5. Ulsan National Inst. of Science and Technology (UNIST) (Korea, Republic of)
  6. Heinrich Heine Univ. Dusseldorf (HHU) (Germany)
  7. Rutherford Appleton Lab., Didcot (United Kingdom)
  8. Queen's Univ., Belfast, Northern Ireland (United Kingdom)
Publication Date:
Research Org.:
Univ. of Strathclyde, Glasgow, Scotland (United Kingdom); Heinrich Heine Univ. Dusseldorf (HHU) (Germany); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE; Engineering and Physical Sciences Research Council (EPSRC); European Commission (EC); German Federal Ministry of Education and Research (BMBF); German Research Foundation (DFG)
OSTI Identifier:
1389974
Report Number(s):
LLNL-JRNL-729352
Journal ID: ISSN 2045-2322
Grant/Contract Number:  
AC52-07NA27344; EP/N028694/1; EP/I029206/1; H2020 EC-GA 654148; CZ.02.1.01/0.0/0.0/15_008/0000162
Resource Type:
Accepted Manuscript
Journal Name:
Scientific Reports
Additional Journal Information:
Journal Volume: 7; Journal ID: ISSN 2045-2322
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; laser-produced plasmas; nonlinear optics

Citation Formats

Vieux, G., Cipiccia, S., Grant, D. W., Lemos, N., Grant, P., Ciocarlan, C., Ersfeld, B., Hur, M. S., Lepipas, P., Manahan, G. G., Raj, G., Reboredo Gil, D., Subiel, A., Welsh, G. H., Wiggins, S. M., Yoffe, S. R., Farmer, J. P., Aniculaesei, C., Brunetti, E., Yang, X., Heathcote, R., Nersisyan, G., Lewis, C. L. S., Pukhov, A., Dias, J. M., and Jaroszynski, D. A. An ultra-high gain and efficient amplifier based on Raman amplification in plasma. United States: N. p., 2017. Web. doi:10.1038/s41598-017-01783-4.
Vieux, G., Cipiccia, S., Grant, D. W., Lemos, N., Grant, P., Ciocarlan, C., Ersfeld, B., Hur, M. S., Lepipas, P., Manahan, G. G., Raj, G., Reboredo Gil, D., Subiel, A., Welsh, G. H., Wiggins, S. M., Yoffe, S. R., Farmer, J. P., Aniculaesei, C., Brunetti, E., Yang, X., Heathcote, R., Nersisyan, G., Lewis, C. L. S., Pukhov, A., Dias, J. M., & Jaroszynski, D. A. An ultra-high gain and efficient amplifier based on Raman amplification in plasma. United States. doi:10.1038/s41598-017-01783-4.
Vieux, G., Cipiccia, S., Grant, D. W., Lemos, N., Grant, P., Ciocarlan, C., Ersfeld, B., Hur, M. S., Lepipas, P., Manahan, G. G., Raj, G., Reboredo Gil, D., Subiel, A., Welsh, G. H., Wiggins, S. M., Yoffe, S. R., Farmer, J. P., Aniculaesei, C., Brunetti, E., Yang, X., Heathcote, R., Nersisyan, G., Lewis, C. L. S., Pukhov, A., Dias, J. M., and Jaroszynski, D. A. Thu . "An ultra-high gain and efficient amplifier based on Raman amplification in plasma". United States. doi:10.1038/s41598-017-01783-4. https://www.osti.gov/servlets/purl/1389974.
@article{osti_1389974,
title = {An ultra-high gain and efficient amplifier based on Raman amplification in plasma},
author = {Vieux, G. and Cipiccia, S. and Grant, D. W. and Lemos, N. and Grant, P. and Ciocarlan, C. and Ersfeld, B. and Hur, M. S. and Lepipas, P. and Manahan, G. G. and Raj, G. and Reboredo Gil, D. and Subiel, A. and Welsh, G. H. and Wiggins, S. M. and Yoffe, S. R. and Farmer, J. P. and Aniculaesei, C. and Brunetti, E. and Yang, X. and Heathcote, R. and Nersisyan, G. and Lewis, C. L. S. and Pukhov, A. and Dias, J. M. and Jaroszynski, D. A.},
abstractNote = {Raman amplification arising from the excitation of a density echelon in plasma could lead to amplifiers that significantly exceed current power limits of conventional laser media. Here we show that 1–100 J pump pulses can amplify picojoule seed pulses to nearly joule level. The extremely high gain also leads to significant amplification of backscattered radiation from “noise”, arising from stochastic plasma fluctuations that competes with externally injected seed pulses, which are amplified to similar levels at the highest pump energies. The pump energy is scattered into the seed at an oblique angle with 14 J sr-1, and net gains of more than eight orders of magnitude. The maximum gain coefficient, of 180 cm-1, exceeds high-power solid-state amplifying media by orders of magnitude. The observation of a minimum of 640 J sr-1 directly backscattered from noise, corresponding to ≈10% of the pump energy in the observation solid angle, implies potential overall efficiencies greater than 10%.},
doi = {10.1038/s41598-017-01783-4},
journal = {Scientific Reports},
number = ,
volume = 7,
place = {United States},
year = {2017},
month = {5}
}

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