Highly efficient Nd:(La<italic>x</italic>Gd1−<italic>x</italic>)3Gd5O12 laser operation at 1.33  μm

Zhitai Jia; Yanru Yin; He Yang; Baitao Zhang; Jingliang He; Mauro Tonelli; Xutang Tao

doi:doi:10.3788/COL201614.021405

Chinese Optics Letters, 2016, 14 (2): 021405, Published Online: Sep. 21, 2018

Highly efficient Nd:(La_xGd_1−x)₃Gd₅O₁₂ laser operation at 1.33 μm

Zhitai Jia ^1,2Yanru Yin ¹He Yang ¹Baitao Zhang ¹Jingliang He ^1,2Mauro Tonelli ³Xutang Tao ^1,2,*

Author Affiliations

¹ State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China

² Key Laboratory of Functional Crystal Materials and Device (Shandong University, Ministry of Education), Jinan 250100, China

³ NEST-CNR and Dipartimento di Fisica, Università di Pisa, Largo Pontecorvo 3, 56127 Pisa, Italy

140.3530 Lasers, neodymium 320.5550 Pulses

Abstract

The continuous wave (CW) and passively Q-switched (PQS) performances of diode-pumped Nd:(LaxGd1 x)3Gd5O12 (Nd:LaGGG) at 1.33 μm are achieved for the first time to our knowledge. The maximum CW output power of 5.1 W is obtained with the optical-optical conversion efficiency of 25.3% and the slope efficiency of 26.6%. In the PQS operation, by using the V3+:YAG crystal as the saturable absorber, the maximum average output power, shortest pulse width, largest pulse energy, and highest peak power are measured to be 1.1 W, 27.54 ns, 75.78 μJ, and 2.44 kW, respectively.

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Zhitai Jia, Yanru Yin, He Yang, Baitao Zhang, Jingliang He, Mauro Tonelli, Xutang Tao. Highly efficient Nd:(La_xGd_1−x)₃Gd₅O₁₂ laser operation at 1.33 μm[J]. Chinese Optics Letters, 2016, 14(2): 021405.

Highly efficient Nd:(La_xGd_1−x)₃Gd₅O₁₂ laser operation at 1.33 μm

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Highly efficient Nd:(La_xGd_1−x)₃Gd₅O₁₂ laser operation at 1.33 μm