Affiliation:
1. Université de Caen Normandie
Abstract
Compact diode-pumped continuous wave (CW) and passively Q switched Tm:YAG lasers operating on the 3H4 → 3H5 transition are demonstrated. Using a 3.5-at.% Tm:YAG crystal, a maximum CW output power of 1.49 W is achieved at 2330 nm with a slope efficiency of 10.1%. The first Q switched operation of the mid-infrared Tm:YAG laser around 2.3 µm is realized with a few-atomic-layer MoS2 saturable absorber. Pulses as short as 150 ns are generated at a repetition rate of 190 kHz, corresponding to a pulse energy of 1.07 µJ. Tm:YAG is an attractive material for diode-pumped CW and pulsed mid-infrared lasers emitting around 2.3 µm.
Funder
National Natural Science Foundation of China
“RELANCE” Chair of Excellence project funded by the Normandy Region
State Key Laboratory of Crystal Materials
Subject
Atomic and Molecular Physics, and Optics
Cited by
16 articles.
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