Journal of the Optical Society of America B Journal of the Optical Society of America B, Optical Society of America, 2018, 35 (5), pp.A93. ⟨10.1364/JOSAB.35.000A93⟩ Journal of the Optical Society of America B, 2018, 35 (5), pp.A93. ⟨10.1364/JOSAB.35.000A93⟩