Laser Operation of Tm: LuAG Single-Crystal Fiber Grown by the Micro-Pulling down Method - Archive ouverte HAL Access content directly
Journal Articles Crystals Year : 2021

Laser Operation of Tm: LuAG Single-Crystal Fiber Grown by the Micro-Pulling down Method

Abstract

Single crystals fiber (SCF) of LuAG doped with 2.0 at.% thulium has been grown by using micro-pulling down (µ-PD) technique. A continuous-wave output power of 2.44 W was achieved with a slope efficiency of 11.7% using a 783-nm diode laser as pump source. The beam quality factors M2 were 1.14 and 1.67 in the x and y directions, respectively. This is, to the best of our knowledge, the first report on the Tm:LuAG SCF laser. Using ray tracing analysis, the influence of laser performance by the pump intensity distribution in the SCF was also studied.
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hal-03325536 , version 1 (25-08-2021)

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Jian Liu, Jifei Dong, Yinyin Wang, Hangqi Yuan, Qingsong Song, et al.. Laser Operation of Tm: LuAG Single-Crystal Fiber Grown by the Micro-Pulling down Method. Crystals, 2021, 11 (8), pp.898. ⟨10.3390/cryst11080898⟩. ⟨hal-03325536⟩
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