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Proceedings Paper

Femtosecond diode-pumped mode-locked neodymium lasers
Author(s): Václav Kubeček; Michal Jelínek; Miroslav Čech; David Vyhlídal; Liangbi Su; Dapeng Jiang; Fengkai Ma; Xiaobo Qian; Jingya Wang; Jun Xu
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Paper Abstract

Fluoride-type crystals (CaF2, SrF2) doped with neodymium Nd3+ and codoped with buffer ions for breaking clusters of active ions and increasing fluorescence efficiency, present interesting alternative as laser active media for the diode-pumped mode-locked lasers. In comparison with widely used materials as Nd:YAG or Nd:YVO4, they have broad emission spectra as well as longer fluorescence lifetime, in comparison with Nd:glass, SrF2 and CaF2 have better thermal conductivity. In spite of the fact, that this thermal conductivity decreases with Nd3+ doping concentration, these crystals are alternative for the Nd:glass in subpicosecond mode-locked laser systems. In this paper we review the basic results reported recently on these active materials and in the second part we present our results achieved in low power diode pumped passively mode locked lasers with Nd,La:CaF2 and Nd,Y:SrF2 crystals. The pulses as short as 258 fs at wavelength of 1057 nm were obtained in the first case, while 5 ps long pulses at 1065 nm were generated from the second laser system.

Paper Details

Date Published: 23 December 2016
PDF: 6 pages
Proc. SPIE 10142, 20th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 1014204 (23 December 2016); doi: 10.1117/12.2262974
Show Author Affiliations
Václav Kubeček, Czech Technical Univ. in Prague (Czech Republic)
Michal Jelínek, Czech Technical Univ. in Prague (Czech Republic)
Miroslav Čech, Czech Technical Univ. in Prague (Czech Republic)
David Vyhlídal, Czech Technical Univ. in Prague (Czech Republic)
Liangbi Su, Shanghai Institute of Ceramics (China)
Dapeng Jiang, Shanghai Institute of Ceramics (China)
Fengkai Ma, Shanghai Institute of Ceramics (China)
Xiaobo Qian, Shanghai Institute of Ceramics (China)
Jingya Wang, Shanghai Institute of Ceramics (China)
Jun Xu, Shanghai Institute of Ceramics (China)


Published in SPIE Proceedings Vol. 10142:
20th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics
Jarmila Müllerová; Dagmar Senderáková; Libor Ladányi; Ľubomír Scholtz, Editor(s)

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