Real-time, distributed measurement of detonation velocities inside high explosives with the help of chirped fiber bragg gratings

Sylvain Magne (1) , A. Lefrançois (2) , J. Luc (2) , G. Laffont (1) , P. Ferdinand (1)

1 LCFO - Laboratoire Capteurs Fibres Optiques
2 CEA-DAM - Centre d'Études de Limeil-Valenton

Following the pioneering work of the Lawrence Livermore National Laboratory, Chirped Fiber Bragg Gratings are investigated as in situ, real-time, wavelength-position discriminators for measuring detonation speeds inside explosives.

Keywords: Distributed measurements; Detonation velocity; Detonation; High explosives; Fiber Bragg gratings; Sensors; Explosives; Lawrence livermore national laboratories; Chirped gratings; Chirped fiber Bragg grating

Domains: Physics [physics]; Physics [physics]; Instrumentation and Detectors [physics.ins-det]; Physics [physics]; Physics [physics]; Optics [physics.optics]; Physics [physics]; Mechanics [physics]; Solid mechanics [physics.class-ph]

Sylvain Magne, A. Lefrançois, J. Luc, G. Laffont, P. Ferdinand. Real-time, distributed measurement of detonation velocities inside high explosives with the help of chirped fiber bragg gratings. Proc. SPIE 8794, Fifth European Workshop on Optical Fibre Sensors, May 2013, Krakow, Poland. pp.87942K, ⟨10.1117/12.2025986⟩. ⟨cea-01823916⟩