Two-photon absorption （2PA） in zinc sulphide （ZnS） and Mn2＋-doped ZnS quantum dots is reported by the z-scan technique, with nanosecond pulsed laser radiation at 355 nm. The observed values of the 2PA cross secti...Two-photon absorption （2PA） in zinc sulphide （ZnS） and Mn2＋-doped ZnS quantum dots is reported by the z-scan technique, with nanosecond pulsed laser radiation at 355 nm. The observed values of the 2PA cross section of all the samples are 105 times larger than that of bulk ZnS.展开更多
基金supported by the DST of the Government of India under Grant No. SR/FTP/PS-67/2008
文摘Two-photon absorption （2PA） in zinc sulphide （ZnS） and Mn2＋-doped ZnS quantum dots is reported by the z-scan technique, with nanosecond pulsed laser radiation at 355 nm. The observed values of the 2PA cross section of all the samples are 105 times larger than that of bulk ZnS.
