Low-density hydrocarbon foams for laser fusion targets: Progress report, 1986

Chen, C.; Cook, Robert; Haendler, B.L.; Hair, L.M.; Kong, Fung‐Ming; Letts, S.A.

doi:10.2172/5792139

Cited by 3 publications

(1 citation statement)

References 3 publications

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“…The sol-gel chemistry should be purely hydrocarbon (CH x ) based and yield monolithic, low-shrinkage and mechanically robust aerogels with densities as low as 25 mg cm −3 that survive wetting with liquid hydrogen. So far, several pure CH x foam systems have been developed for the triple-orifice droplet generator technique, including divinylbenzene (DVB) [19] and styrene [20] based foams. For the current application, however, these foams have too high densities, too large pores, or shrink too much during supercritical drying.…”

Section: Sol-gel Chemistrymentioning

confidence: 99%

A new approach to foam-lined indirect-drive NIF ignition targets

et al. 2012

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Taking full advantage of the unique laboratory environment created by the National Ignition Facility (NIF) will require the availability of foam-lined indirect-drive inertial confinement fusion targets. Here, we report on a new approach that enables fabrication of target structures that consist of a thin-walled (<30 µm) ultra-low-density (<30 mg cm−3) hydrocarbon foam film inside a thick-walled, ∼2 mm diameter ablator shell. In contrast to previous work on direct-drive targets that started with the fabrication of foam shells, we use a prefabricated ablator as a mold to cast the foam liner within the shell. This work summarizes crucial components of this new approach, including the aerogel chemistry, filling of the ablator shell with the aerogel precursor solution with nanolitre precision, creating uniform polymer gel coatings inside the ablator capsule, supercritical drying and doping.

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Section: Sol-gel Chemistrymentioning

confidence: 99%