Spectroscopy and lasing of yb-doped NaY(WO4)2:: Tunable and femtosecond mode-locked laser operation

被引：101

作者：

Garcia-Cortes, Alberto ^{[1
]}

Cano-Torres, Jose M.

Dolores Serrano, Maria

Cascales, Concepcion

Zaldo, Carlos

Rivier, Simon

Mateos, Xavier

Griebner, Uwe

Petrov, Valentin

机构：

[1] CSIC, Inst Ciencia Mat Madrid, E-28049 Madrid, Spain

[2] Max Born Inst Nonlinear Opt & Ultrafast Spect, D-12489 Berlin, Germany

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 2007年 / 43卷 / 9-10期

关键词：

crystals; laser tuning; optical pulse generation; optical spectroscopy; tungsten compounds; ytterbium;

D O I：

10.1109/JQE.2007.902769

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Tetragonal (space group I (4) over bar) single crystals of NaY(WO4)(2) doped with Yb to a density of 4.52 x 10(20) cm(-3) have been employed as laser active materials for the 1-mu m spectral range, operating at room temperature. Using Ti:sapphire laser pumping, slope efficiencies as high as 74.6% were achieved without special cooling for the pi-polarization. The Yb-laser was continuously tunable from 1003.7 to 1073.0 nm with a birefringent filter. Pulses as short as 53 fs were obtained at 1035 nm by SESAM passive mode-locking with intracavity dispersion compensation and additional extracavity pulse compression using analogous prism pairs. Experimental data on the spectroscopic properties of Yb3+ in the 5-300 K temperature range and the room temperature optical properties of this novel Yb-host is also presented.

引用

页码：758 / 764

页数：7

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