Nuclear background effects on plasma diagnostics for megajoule class laser facility

A. Rousseau; S. Darbon; P. Paillet; S. Girard; J. L. Bourgade; M. Raine; O. Duhamel; V. Goiffon; P. Magnan; A. Chabane; P. Cervantes; M. Hamel; J. Larour

doi:10.1117/12.2024005

26 September 2013 Nuclear background effects on plasma diagnostics for megajoule class laser facility

A. Rousseau, S. Darbon, P. Paillet, S. Girard, J. L. Bourgade, M. Raine, O. Duhamel, V. Goiffon, P. Magnan, A. Chabane, P. Cervantes, M. Hamel, J. Larour

Author Affiliations +

Proceedings Volume 8850, Target Diagnostics Physics and Engineering for Inertial Confinement Fusion II; 885004 (2013) https://doi.org/10.1117/12.2024005
Event: SPIE Optical Engineering + Applications, 2013, San Diego, California, United States

Abstract

Estimating the vulnerability is a key challenge for plasma diagnostics designed to operate in radiative background associated with megajoule class laser facilities. Since DT shots at OMEGA laser facility reproduce the perturbing source expected during the first 100 nanoseconds of a typical DT shot realized at National Ignition Facility (NIF) and Laser MegaJoule facility (LMJ), vulnerability of diagnostic elements such as optical relays or optical analyzers were experimentally studied and, if necessary, hardening approaches have been initiated to authorize their use at higher radiative constraints. Other facilities such as nuclear reactor or accelerator have been also used to estimate vulnerability issues as radiation induced emission of glasses or damage in multilayer coatings.

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A. Rousseau, S. Darbon, P. Paillet, S. Girard, J. L. Bourgade, M. Raine, O. Duhamel, V. Goiffon, P. Magnan, A. Chabane, P. Cervantes, M. Hamel, and J. Larour "Nuclear background effects on plasma diagnostics for megajoule class laser facility", Proc. SPIE 8850, Target Diagnostics Physics and Engineering for Inertial Confinement Fusion II, 885004 (26 September 2013); https://doi.org/10.1117/12.2024005

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