Dy3+-doped Ga–Sb–S chalcogenide glasses for mid-infrared lasers》.pdf

Materials Research Bulletin 70 (2015) 55–59 Contents lists available at ScienceDirect Materials Research Bulletin journal homepage: www.else vie /locat e/mat resbu Dy3+-doped Ga–Sb–S chalcogenide glasses for mid-infrared lasers a a,* b a a a Mingjie Zhang , Anping Yang , Yuefeng Peng , Bin Zhang , He Ren , Wei Guo , Yan Yang a, Chengcheng Zhai a, Yuwei Wang a, Zhiyong Yang a, Dingyuan Tang a aJiangsu Key Laboratory of Advanced Laser Materials and Devices, School of Physics and Electronic Engineering, Jiangsu Normal University, Xuzhou, Jiangsu 221116, China b Institute of Applied Electronics, China Academy of Engineering Physics, Mianyang, Sichuan 621900, China A R T I C L E I N F O A B S T R A C T Article history: Novel Ga–Sb–S chalcogenide glasses doped with different amount of Dy3+ ions were prepared. Their Received 11 December 2014 thermal stability, optical properties, and mid-infrared (MIR) emission properties were investigated. The Received in revised form 22 March 2015 glasses show good thermal stability, excellent infrared transparency, very low phonon energy Accepted 10 April 2015 1 (306 cm ), and intense emissions centered at 2.95, 3.59, 4.17 and 4.40 mm. Three Judd –Ofelt intensity Available online 13 April 2015