NASA NTRS · 20080015396
One-Joule-per-Pulse Q-Switched 2-micron Solid State Laser
Abstract
Q-switched output of 1.1 J per pulse at 2-micron wavelength has been achieved in a diode pumped Ho:Tm:LuLF laser using a side-pumped rod configuration in a Master-Oscillator-Power-Amplifier (MOPA) architecture. This is the first time that a 2-micron 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 excellent 1.4 times of transform limited beam quality.
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Yu, Jirong, Trieu, Bo C., Modlin, Ed A., Singh, Upendra N., Kavaya, Michael J., Chen, Songsheng, Bai, Yingxin, Petzar, Pual J., Petros, Mulugeta. 2005-01-01. One-Joule-per-Pulse Q-Switched 2-micron Solid State Laser. https://ntrs.nasa.gov/citations/20080015396
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