Saturable absorption of Yb3+/Na+ codoped CaF2 crystals at 1050nm | Zendy

Chai Lu | Zendy; Yan Ning Shi | Zendy; Xue Ying-Hong | Zendy; Qingwen Liu | Zendy; Wenqi Ge | Zendy; Qingyue Wang | Zendy; Su Liang-Bi | Zendy; Xiaodong Xu | Zendy; Guangjun Zhao | Zendy; Jun Xu | Zendy

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Saturable absorption of Yb3+/Na+ codoped CaF2 crystals at 1050nm

Author(s) -

Chai Lu,

Yan Ning Shi,

Xue Ying-Hong,

Qingwen Liu,

Wenqi Ge,

Qingyue Wang,

Su Liang-Bi,

Xiaodong Xu,

Guangjun Zhao,

Jun Xu

Publication year - 2008

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.57.2966

Subject(s) - saturable absorption , materials science , doping , absorption (acoustics) , crystal (programming language) , laser , q switching , optics , optoelectronics , fiber laser , wavelength , composite material , physics , computer science , programming language

The saturable absorption of Yb3+/Na+ codoped CaF2 crystals at 1050nm has been demonstrated by comparative experiments by inserting the novel Yb3+,Na+:CaF2 crystal with different doping concentrations into a Yb:YAG laser in stable continuous wave operation, which is the cause for the crystals working as the gain material to tend to self-Q-switching at 1050nm. The results show that the dominative element is Yb3+ rather than Na+ for saturable absorption action of the crystals. However, the effect of Q-switching by codoping Na+ into the CaF2 crystals can be greatly improved so that the Yb3+,Na+:CaF2 crystals with optimum concentration and doping ratio can be used as a Q-switching element at 1050nm.

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