Modified Z-scan techniques for investigations of nonlinear chiroptical effects Markowicz, Przemyslaw P. ; Samoca, Marek ; Cerne, John ; Prasad, Paras N. ; Pucci, Andrea ; Ruggeri, Giacomo Abstract Publication: Optics Express Pub Date: October 2004 DOI: 10.1364/OPEX.12.005209 Bibcode: 2004OExpr..12.5209M