Synthesis, growth, defects and laser action of Yb:Y0.71Lu0.29VO4 crystals

Degao Zhong; Bing Teng; Lifeng Cao; Shiming Zhang; Fei You; Bingtao Zhang; Jianhong Li; Xueping Tian; Chao Wang; Yuyi Li; Linxiang He; Romano A. Rupp

doi:10.1039/C4CE00042K

Synthesis, growth, defects and laser action of Yb:Y_0.71Lu_0.29VO₄ crystals

Degao Zhong,*^ab Bing Teng,*^ab Lifeng Cao,^ab Shiming Zhang,^ab Fei You,^ab Bingtao Zhang,^ab Jianhong Li,^ac Xueping Tian,^ab Chao Wang,^ab Yuyi Li,^ab Linxiang He^d and Romano A. Rupp^ef

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* Corresponding authors

^a College of Physics, Qingdao University, Qingdao, China
E-mail: qduzhdg@163.com, 5108tb@163.com
Fax: +86 10 85955977
Tel: +86 10 85953405

^b Key Laboratory of Photonics Materials and Technology in Universities of Shandong (Qingdao University), Qingdao, China

^c CRYSTECH Inc., Qingdao, China

^d Department of Physics and Materials Science, City University of Hong Kong, Kowloon, Hong Kong

^e TEDA Applied Physics School, Nankai University, Tianjin 300457, China

^f Faculty of Physics, Vienna University, A-1090 Wien, European Union, Austria

Abstract

Polycrystalline materials of REVO₄ (RE = Y, Lu, Yb) were synthesized by liquid-phase reaction. An Yb-doped Yb:Y_0.71Lu_0.29VO₄ crystal was grown by the Czochralski method. Dislocations and low-angle boundaries were revealed by chemical etching and transmission electron microscopy (TEM). Continuous-wave (cw) laser action was achieved in the range of 1020.7–1029.0 nm by using a high-power diode laser as the pump source. A cw laser output power of 1.09 W with a slope efficiency of 21.6% was demonstrated for this 0.5 at.% Yb-doped Yb:Y_0.79Lu_0.21VO₄ mixed crystal.

CrystEngComm

Synthesis, growth, defects and laser action of Yb:Y_0.71Lu_0.29VO₄ crystals

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Synthesis, growth, defects and laser action of Yb:Y_0.71Lu_0.29VO₄ crystals

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