Nonlinear Laser-Plasma Interaction in Magnetized Liner Inertial Fusion

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.

doi:10.1117/12.2218577

Title: Nonlinear Laser-Plasma Interaction in Magnetized Liner Inertial Fusion

Journal Article · Fri Mar 04 00:00:00 EST 2016 · Proceedings of SPIE - The International Society for Optical Engineering

DOI:https://doi.org/10.1117/12.2218577· OSTI ID:1249071

Geissel, Matthias ^[1]; Awe, Thomas James ^[1]; Bliss, David E. ^[1]; Campbell, Edward Michael ^[2]; Gomez, Matthew R. ^[1]; Harding, Eric ^[1]; Harvey-Thompson, Adam James ^[1]; Hansen, Stephanie B. ^[1]; Jennings, Christopher Ashley ^[1]; Kimmel, Mark W. ^[1]; Knapp, Patrick ^[1]; Lewis, Sean M. ^[3]; McBride, Ryan D. ^[1]; Peterson, Kyle ^[1]; Schollmeier, Marius ^[1]; Scoglietti, Daniel ^[1]; Sefkow, Adam B. ^[1]; Shores, Jonathon ^[1]; Sinars, Daniel ^[1]; Slutz, Stephen A. ^[1] 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)

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.

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Research Organization:: Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: AC04-94AL85000

OSTI ID:: 1249071

Report Number(s):: SAND-2016-1681J; 619902

Journal Information:: Proceedings of SPIE - The International Society for Optical Engineering, Vol. 9731; Conference: Nonclinear Frequency Generation and Conversion: Materials, Devices and Applications XV, San Francisco, CA (United States), 4 Mar 2016; ISSN 0277-786X

Publisher:: SPIECopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 3 works

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References (13)

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Cited By (1)

Constraining preheat energy deposition in MagLIF experiments with multi-frame shadowgraphy Harvey-Thompson, A. J.; Geissel, M.; Jennings, C. A. Physics of Plasmas, Vol. 26, Issue 3 https://doi.org/10.1063/1.5086044	journal	March 2019

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Title: Nonlinear Laser-Plasma Interaction in Magnetized Liner Inertial Fusion

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