Nonlinear Laser-Plasma Interaction in Magnetized Liner Inertial Fusion
Abstract
Sandia National Laboratories is pursuing a variation of Magneto-Inertial Fusion called Magnetized Liner Inertial Fusion, or MagLIF. The MagLIF approach requires magnetization of the deuterium fuel, which is accomplished by an initial external B-Field and laser-driven pre-heat. Although magnetization is crucial to the concept, it is challenging to couple sufficient energy to the fuel, since laser-plasma instabilities exist, and a compromise between laser spot size, laser entrance window thickness, and fuel density must be found. Ultimately, nonlinear processes in laser plasma interaction, or laser-plasma instabilities (LPI), complicate the deposition of laser energy by enhanced absorption, backscatter, filamentation and beam-spray. We determine and discuss key LPI processes and mitigation methods. Results with and without improvement measures are presented.
- Authors:
-
more »
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Univ. of Rochester, NY (United States). Lab. for Laser Energetics
- Univ. of Texas at Austin (United States)
- Publication Date:
- Research Org.:
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1249071
- Report Number(s):
- SAND-2016-1681J
Journal ID: ISSN 0277-786X; 619902
- Grant/Contract Number:
- AC04-94AL85000
- Resource Type:
- Journal Article: Accepted Manuscript
- Journal Name:
- Proceedings of SPIE - The International Society for Optical Engineering
- Additional Journal Information:
- Journal Volume: 9731; Conference: Nonclinear Frequency Generation and Conversion: Materials, Devices and Applications XV, San Francisco, CA (United States), 4 Mar 2016; Journal ID: ISSN 0277-786X
- Publisher:
- SPIE
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; Lasers; Plasmas; Nonlinear dynamics; Absorption; Backscatter; MagLIF; LPI; SBS; high energy lasers
Citation Formats
Geissel, Matthias, Awe, Thomas James, Bliss, David E., Campbell, Edward Michael, Gomez, Matthew R., Harding, Eric, Harvey-Thompson, Adam James, Hansen, Stephanie B., Jennings, Christopher Ashley, Kimmel, Mark W., Knapp, Patrick, Lewis, Sean M., McBride, Ryan D., Peterson, Kyle, Schollmeier, Marius, Scoglietti, Daniel, Sefkow, Adam B., Shores, Jonathon, Sinars, Daniel, Slutz, Stephen A., Smith, Ian C., Speas, Christopher, Vesey, Roger A., and Porter, John L. Nonlinear Laser-Plasma Interaction in Magnetized Liner Inertial Fusion. United States: N. p., 2016.
Web. doi:10.1117/12.2218577.
Geissel, Matthias, Awe, Thomas James, Bliss, David E., Campbell, Edward Michael, Gomez, Matthew R., Harding, Eric, Harvey-Thompson, Adam James, Hansen, Stephanie B., Jennings, Christopher Ashley, Kimmel, Mark W., Knapp, Patrick, Lewis, Sean M., McBride, Ryan D., Peterson, Kyle, Schollmeier, Marius, Scoglietti, Daniel, Sefkow, Adam B., Shores, Jonathon, Sinars, Daniel, Slutz, Stephen A., Smith, Ian C., Speas, Christopher, Vesey, Roger A., & Porter, John L. Nonlinear Laser-Plasma Interaction in Magnetized Liner Inertial Fusion. United States. https://doi.org/10.1117/12.2218577
Geissel, Matthias, Awe, Thomas James, Bliss, David E., Campbell, Edward Michael, Gomez, Matthew R., Harding, Eric, Harvey-Thompson, Adam James, Hansen, Stephanie B., Jennings, Christopher Ashley, Kimmel, Mark W., Knapp, Patrick, Lewis, Sean M., McBride, Ryan D., Peterson, Kyle, Schollmeier, Marius, Scoglietti, Daniel, Sefkow, Adam B., Shores, Jonathon, Sinars, Daniel, Slutz, Stephen A., Smith, Ian C., Speas, Christopher, Vesey, Roger A., and Porter, John L. 2016.
"Nonlinear Laser-Plasma Interaction in Magnetized Liner Inertial Fusion". United States. https://doi.org/10.1117/12.2218577. https://www.osti.gov/servlets/purl/1249071.
@article{osti_1249071,
title = {Nonlinear Laser-Plasma Interaction in Magnetized Liner Inertial Fusion},
author = {Geissel, Matthias and Awe, Thomas James and Bliss, David E. and Campbell, Edward Michael and Gomez, Matthew R. and Harding, Eric and Harvey-Thompson, Adam James and Hansen, Stephanie B. and Jennings, Christopher Ashley and Kimmel, Mark W. and Knapp, Patrick and Lewis, Sean M. and McBride, Ryan D. and Peterson, Kyle and Schollmeier, Marius and Scoglietti, Daniel and Sefkow, Adam B. and Shores, Jonathon and Sinars, Daniel and Slutz, Stephen A. and Smith, Ian C. and Speas, Christopher and Vesey, Roger A. and Porter, John L.},
abstractNote = {Sandia National Laboratories is pursuing a variation of Magneto-Inertial Fusion called Magnetized Liner Inertial Fusion, or MagLIF. The MagLIF approach requires magnetization of the deuterium fuel, which is accomplished by an initial external B-Field and laser-driven pre-heat. Although magnetization is crucial to the concept, it is challenging to couple sufficient energy to the fuel, since laser-plasma instabilities exist, and a compromise between laser spot size, laser entrance window thickness, and fuel density must be found. Ultimately, nonlinear processes in laser plasma interaction, or laser-plasma instabilities (LPI), complicate the deposition of laser energy by enhanced absorption, backscatter, filamentation and beam-spray. We determine and discuss key LPI processes and mitigation methods. Results with and without improvement measures are presented.},
doi = {10.1117/12.2218577},
url = {https://www.osti.gov/biblio/1249071},
journal = {Proceedings of SPIE - The International Society for Optical Engineering},
issn = {0277-786X},
number = ,
volume = 9731,
place = {United States},
year = {Fri Mar 04 00:00:00 EST 2016},
month = {Fri Mar 04 00:00:00 EST 2016}
}
Web of Science
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Works referencing / citing this record:
Constraining preheat energy deposition in MagLIF experiments with multi-frame shadowgraphy
journal, March 2019
- Harvey-Thompson, A. J.; Geissel, M.; Jennings, C. A.
- Physics of Plasmas, Vol. 26, Issue 3