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Growth and spectra of Tm3+ doped LuYO3 single crystal for 2 μm lasers
Infrared Physics & Technology ( IF 3.3 ) Pub Date : 2020-09-01 , DOI: 10.1016/j.infrared.2020.103431
Guangzhu Chen , Shanming Li , Lianhan Zhang , Xiaojun Tan , Wen Deng , Mingzhu He , Min Xu , Yilun Yang , Shulong Zhang , Yin Hang

Abstract A Tm:LuYO3 crystal was grown by the optical floating zone method for the first time. The XRD pattern shows that it belongs to the cubic crystal system (Ia‾3 space group). The absorption spectrum was used to investigate the emission properties with the help of the Judd-Ofelt theory. The emission cross-section at 2056 nm is 1.95 × 10 - 20 c m 2 . The Tm:LuYO3 crystal exhibits broad absorption band at around 800 nm with the FWHM of 48 nm and wide emission band at around 2 μ m with the FWHM of more than 200 nm. The potential utility of the Tm:LuYO3 crystal as tunable laser medium at ~2 μm can be expected.

中文翻译:

2 μm激光器用Tm3+掺杂LuYO3单晶的生长和光谱

摘要 首次采用光浮区法生长了Tm:LuYO3晶体。XRD图谱表明它属于立方晶系(Ia‾3空间群)。在 Judd-Ofelt 理论的帮助下,吸收光谱用于研究发射特性。2056 nm 处的发射截面为 1.95 × 10 - 20 cm 2 。Tm:LuYO3 晶体在 800 nm 附近表现出宽吸收带,FWHM 为 48 nm,发射带在 2 μm 左右宽,FWHM 超过 200 nm。可以预期 Tm:LuYO3 晶体作为~2 μm 可调激光介质的潜在效用。
更新日期:2020-09-01
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