-
Wehaveobservedthataweaklightbeamwillexperienceadefocusing contractprocessbeforeitcomestosteadystatewhenpassingthroughaCu:KNSBNcrystalwithatransientspatialelectricfield.Thisprocessbecamefastbyincreasingintensityofthelightbeam .Webelievethatthedefocusing contractprocessresultsfrombotheffectsofthetransientelectricfieldinthecrystalsandthephotovoltaicandrefocusingfieldsgeneratedbythebeamitself.







下载: