Optical shock waves in silica aerogel Gentilini, S. ; Ghajeri, F. ; Ghofraniha, N. ; Di Falco, A. ; Conti, C. Abstract Publication: Optics Express Pub Date: January 2014 DOI: 10.1364/OE.22.001667 Bibcode: 2014OExpr..22.1667G