Mode-locking operation of quasi-continuous diode pumped TGT-grown Nd,Y-codoped:SrF2 crystal

Michal Jelínek; Václav Kubeček; Liangbi Su; Dapeng Jiang; Fengkai Ma; Qian Zhang; Yuexin Cao; Jun Xu

doi:10.1117/12.2073505

6 January 2015 Mode-locking operation of quasi-continuous diode pumped TGT-grown Nd,Y-codoped:SrF₂ crystal

Michal Jelínek, Václav Kubeček, Liangbi Su, Dapeng Jiang, Fengkai Ma, Qian Zhang, Yuexin Cao, Jun Xu

Proceedings Volume 9450, Photonics, Devices, and Systems VI; 945005 (2015) https://doi.org/10.1117/12.2073505
Event: Photonics Prague 2014, 2014, Prague, Czech Republic

Abstract

Fluoride-type crystals (CaF₂, SrF₂) doped with neodymium Nd³⁺ present interesting alternative as a laser active media for the diode-pumped mode-locked laser systems mainly because of their broad emission spectra as well as longer fluorescence lifetime in comparison with well-known materials as Nd:YAG or Nd:YVO₄. In comparison with Nd:glass active material, SrF₂ and CaF₂ have better thermal conductivity. In spite of the thermal conductivity decreases with doping concentration, these crystal might be interesting alternative for the Nd:glass mode-locked laser systems. In this contribution we present the first results of the Nd,Y:SrF2 mode-locked laser diode-pumped at 796nm. Mode-locking operation using SESAM was successfully achieved in the pulsed pumping regime (pulse-duration 1.5 ms, frequency 10 Hz) with the overall average output power of 2.3 mW (corresponding to the power amplitude of 153 mW) in one output beam at the wavelength of ~1055 nm. The actual pulse-duration was 87 ps.

Citation Download Citation

Michal Jelínek, Václav Kubeček, Liangbi Su, Dapeng Jiang, Fengkai Ma, Qian Zhang, Yuexin Cao, and Jun Xu "Mode-locking operation of quasi-continuous diode pumped TGT-grown Nd,Y-codoped:SrF₂ crystal", Proc. SPIE 9450, Photonics, Devices, and Systems VI, 945005 (6 January 2015); https://doi.org/10.1117/12.2073505

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