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Mode-locking of neodymium lasers by glasses doped with PbS nanocrystals |
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| Authors: | A. Dementjev V. Gulbinas L. Valkunas I. Motchalov H. Raaben A. Michailovas |
| Affiliation: | (1) Institute of Physics, Savanoriu pr. 231, 2028 Vilnius, Lithuania;(2) Center TOM, Babushkin Street 36/1, 193171 St. Petersburg, Russia;(3) EKSPLA Ltd., Vilnius Savanoriu pr. 231, 2053 Vilnius, Lithuania |
| Abstract: | Nonlinear optical absorption properties of silicate glasses doped by the PbS nanocrystals were investigated by means of the picosecond pump-probe absorption spectroscopy and absorption bleaching technique. The glass samples were used as saturable absorbers for passive mode-locking of Nd :YAG and Nd:glass lasers. Application of the PbS doped glass together with the active mode-locking and laser cavity quality control enabled the stable of generation of 28 ps and 5 ps duration pulses in Nd:YAG and Nd:glass lasers respectively. PACS 42.60.Fc; 42.70.Hj; 78.47.+p |
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