28 April 2014 Highly efficient resonantly pumped 2000 nm Tm:YAG ceramic laser
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A high-efficiency narrow-band 2000 nm Tm:YAG ceramic laser that combines the advantages of in-band pumping at 1617 nm and volume Bragg grating for wavelength selection was demonstrated. Using an output coupler with 10% transmission, a maximum output power of 1.64 W was obtained at 1999.9 nm under 4.56 W of incident pump power, corresponding to a slope efficiency of 50% with respect to the incident pump power. To the best of our knowledge, this is the highest slope efficiency achieved for 2000 nm Tm:YAG lasers so far.
© 2014 Society of Photo-Optical Instrumentation Engineers (SPIE)
Xiaolan Liu, Xiaolan Liu, Haitao Huang, Haitao Huang, Deyuan Shen, Deyuan Shen, Xuan Liu, Xuan Liu, Xiaoqi Zhang, Xiaoqi Zhang, Jun Liu, Jun Liu, Jian Zhang, Jian Zhang, Dingyuan Tang, Dingyuan Tang, } "Highly efficient resonantly pumped 2000 nm Tm:YAG ceramic laser," Optical Engineering 53(4), 040501 (28 April 2014). https://doi.org/10.1117/1.OE.53.4.040501 . Submission:

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