期刊
OPTICS EXPRESS
卷 24, 期 11, 页码 2043-2054出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.24.012043
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- Ministry of Science and Technology [MOST 103-2221-E-007-062-MY2]
- Epistar Corporation
We report an Nd:YAG laser pumped by light emission diodes (LEDs) at 750 nm. With 1% output coupling from a linear cavity containing a 2-cm long Nd:YAG crystal, the laser generated 37.5 mu J pulse energy at 1064 nm with M-2 = 1.1 when pumped by 2.73-mJ LED energy in a 1-ms pulse at a 10 Hz rate. The measured optical and slope efficiencies for this linear-cavity laser are 1.36, and 9%, respectively. With 1 and 5% output couplings from a Z-cavity containing the same laser crystal, the lasers generated 346 and 288 mu J pulse energy with an optical efficiency of 3.4 and 2.8% and slope efficiency of 6.6 and 14%, respectively, for the same 1-ms pump pulse repeating at a 10 Hz rate. At the highest output from the Z-cavity, the measured M-2 for the beam is 3.6. (C) 2016 Optical Society of America
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