A Highly Efficient and Widely Tunable Bifunctional Yb:GdYAB Laser

Author

Xue, Yinghong ; Wang, Chingyue ; Li, Jing ; Liu, Qingwen ; Chai, Lu ; Wang, Jiyang ; Zhang, Huaijin

Author_Institution

Sch. of Precision Instrum. & Optoelectron. Eng., Tianjin Univ., Tianjin

Volume

44

Issue

7

fYear

2008

fDate

7/1/2008 12:00:00 AM

Firstpage

686

Lastpage

691

Abstract

We demonstrate a highly efficient and widely tunable, bifunctional laser operated at both infrared and self-frequency-doubling (SFD) based on Yb:GdYAB crystal. An optical conversion efficiency of 67.9% and a slope efficiency of 86% at 1048 nm have been obtained. A broad tunability of 67 nm between 1009 and 1076 nm has also been achieved. Furthermore, an efficient and compact SFD green laser has been demonstrated with an output power of 488 mW at 524 nm, corresponding to a diode-to-green optical conversion efficiency of 18.6%.

Keywords

aluminium compounds; gadolinium compounds; infrared sources; laser tuning; optical harmonic generation; solid lasers; ytterbium; yttrium compounds; GdYAl₃(BO₃)₄:Yb; Yb:GdYAB laser; bifunctional laser; green laser; highly efficient laser; infrared laser; optical conversion efficiency; power 488 mW; self-frequency-doubling; wavelength 1009 nm; wavelength 1048 nm; wavelength 1076 nm; wavelength 524 nm; widely tunable laser; Crystalline materials; Crystals; Diodes; Frequency conversion; Neodymium; Nonlinear optics; Optical materials; Optical pumping; Pump lasers; Tunable circuits and devices; Bifunctional laser; Yb:GdYAB crystal; self-frequency-doubling;

fLanguage

English

Journal_Title

Quantum Electronics, IEEE Journal of

Publisher

ieee

ISSN

0018-9197

Type

jour

DOI

10.1109/JQE.2008.921375

Filename

4512045