1 J/pulse Q-switched 2 microm solid-state laser |
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| Authors: | Yu Jirong Trieu Bo C Modlin Ed A Singh Upendra N Kavaya Michael J Chen Songsheng Bai Yingxin Petzar Pual J Petros Mulugeta |
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| Affiliation: | NASA Langley Research Center, Mail Stop 468, Hampton, Virginia 23681, USA. jirong.yu@larc.nasa.gov |
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| Abstract: | Q-switched output of 1.1 J/pulse at a 2.053 microm wavelength has been achieved in a diode-pumped Ho: Tm: LuLF laser with a side-pumped rod configuration in a master-oscillator-power-amplifier (MOPA) architecture. This is the first time to our knowledge that a 2 microm laser has broken the joule per pulse barrier for Q-switched operation. The total system efficiency reaches 5% and 6.2% for single- and double-pulse operation, respectively. The system produces an excellent 1.4 times transform-limited beam quality. |
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