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Abstract

A simple model is used to evaluate the reactor potentiality of direct drive laser fusion shell targets, irradiated by unshaped laser pulses of energy smaller than a few MJ. For single shell targets a narrow design window in the relevant parameter space exists, which allows for a gain G > 200. Long wavelengths (lambda > 2 mum), small aspect ratios (A-DT < 30) and small D-T masses (M DT < 3 mg) are excluded. For double-shell targets these constraints are somewhat relaxed; the relevant results agree with preliminary 1-D simulations.

Additional information

Authors: ATZENI S CENTRO RICERCHE ENERGIA FRASCATI (ITALY), CENTRO RICERCHE ENERGIA FRASCATI (ITALY)
Bibliographic Reference: WRITE TO ENEA - SERVIZIO STUDI E DOCUMENTAZIONE CENTRO RICERCHE ENERGIA FRASCATI, C.P. 65, 00044 FRASCATI, ROMA (ITALY) MENTIONING REPORT 83.42/P, 1983
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