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Title: Refractive Index Seen by a Probe Beam Interacting with a Laser-Plasma System

Abstract

Here, we report the first complete set of measurements of a laser-plasma optical system’s refractive index, as seen by a second probe laser beam, as a function of the relative wavelength shift between the two laser beams. Both the imaginary and real refractive index components are found to be in good agreement with linear theory using plasma parameters measured by optical Thomson scattering and interferometry; the former is in contrast to previous work and has implications for crossed-beam energy transfer in indirect-drive inertial confinement fusion, and the latter is measured for the first time. The data include the first demonstration of a laser-plasma polarizer with 85$-$87% extinction for the particular laser and plasma parameters used in this experiment, complementing the existing suite of high-power, tunable, and ultrafast plasma-based photonic devices.

Authors:
 [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1]
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1358317
Alternate Identifier(s):
OSTI ID: 1338652
Report Number(s):
LLNL-JRNL-704037
Journal ID: ISSN 0031-9007; PRLTAO
Grant/Contract Number:  
AC52-07NA27344
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 118; Journal Issue: 1; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS

Citation Formats

Turnbull, D., Goyon, C., Kemp, G. E., Pollock, B. B., Mariscal, D., Divol, L., Ross, J. S., Patankar, S., Moody, J. D., and Michel, P. Refractive Index Seen by a Probe Beam Interacting with a Laser-Plasma System. United States: N. p., 2017. Web. doi:10.1103/PhysRevLett.118.015001.
Turnbull, D., Goyon, C., Kemp, G. E., Pollock, B. B., Mariscal, D., Divol, L., Ross, J. S., Patankar, S., Moody, J. D., & Michel, P. Refractive Index Seen by a Probe Beam Interacting with a Laser-Plasma System. United States. doi:10.1103/PhysRevLett.118.015001.
Turnbull, D., Goyon, C., Kemp, G. E., Pollock, B. B., Mariscal, D., Divol, L., Ross, J. S., Patankar, S., Moody, J. D., and Michel, P. Thu . "Refractive Index Seen by a Probe Beam Interacting with a Laser-Plasma System". United States. doi:10.1103/PhysRevLett.118.015001. https://www.osti.gov/servlets/purl/1358317.
@article{osti_1358317,
title = {Refractive Index Seen by a Probe Beam Interacting with a Laser-Plasma System},
author = {Turnbull, D. and Goyon, C. and Kemp, G. E. and Pollock, B. B. and Mariscal, D. and Divol, L. and Ross, J. S. and Patankar, S. and Moody, J. D. and Michel, P.},
abstractNote = {Here, we report the first complete set of measurements of a laser-plasma optical system’s refractive index, as seen by a second probe laser beam, as a function of the relative wavelength shift between the two laser beams. Both the imaginary and real refractive index components are found to be in good agreement with linear theory using plasma parameters measured by optical Thomson scattering and interferometry; the former is in contrast to previous work and has implications for crossed-beam energy transfer in indirect-drive inertial confinement fusion, and the latter is measured for the first time. The data include the first demonstration of a laser-plasma polarizer with 85$-$87% extinction for the particular laser and plasma parameters used in this experiment, complementing the existing suite of high-power, tunable, and ultrafast plasma-based photonic devices.},
doi = {10.1103/PhysRevLett.118.015001},
journal = {Physical Review Letters},
number = 1,
volume = 118,
place = {United States},
year = {2017},
month = {1}
}

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