首页|An LED-Side-Pumped Intracavity Frequency-Doubled Nd,Ce:YAG Laser Producing a 2 W Q-Switched Red Beam
An LED-Side-Pumped Intracavity Frequency-Doubled Nd,Ce:YAG Laser Producing a 2 W Q-Switched Red Beam
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We report a high-average-power acousto-optic(AO)Q-switched intracavity frequency-doubled red laser based on a high-efficiency light-emitting-diode(LED)pumped two-rod Nd,Ce∶YAG laser module.Under quasi-continuous wave operation conditions,a maximum output power of 1319.08 nm wavelength was achieved at 11.26 W at a repetition rate of 100 Hz,corresponding to a maximum optical efficiency of 13.9％and a slope efficiency of 17.9％.In the active Q-switched regime,the pulse energy of the laser was as high as 800 μJ at a repetition rate of 10 kHz with a pulse width of 1.5 μs.Under non-critical phase-matched KTP crystal conditions,an average power of 2.03 W of 658.66 nm through intracavity frequency-doubling was obtained at a repetition frequency of 10 kHz with a duration of 1.3 μs,and the M2 factor was measured to be about 5.8.To the best of our knowledge,this is the highest average power of an LED-pumped AO Q-switched 1319 nm laser and intracavity frequency-doubled red laser reported to date.
沈建平、徐少聪、芦鹏、江容容、王巍、张四维、邢凤阳、陈阳、陈亮
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College of Electronic and Optical Engineering & College of Flexible Electronics,Nanjing University of Posts and Telecommunications,Nanjing 210046,China
Laser Institute,Qilu University of Technology(Shandong Academy of Sciences),Qingdao 266000,China
Nanjing University of Posts and Telecommunications FoundationNanjing University of Posts and Telecommunications FoundationKey Laboratory of Functional Crystals and Laser Technology,TIPC,CAS Foundation
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