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One-Joule-per-Pulse Q-Switched 2-micron Solid State LaserQ-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.
Document ID
20080015396
Acquisition Source
Langley Research Center
Document Type
Preprint (Draft being sent to journal)
Authors
Yu, Jirong (NASA Langley Research Center Hampton, VA, United States)
Trieu, Bo C. (NASA Langley Research Center Hampton, VA, United States)
Modlin, Ed A. (NASA Langley Research Center Hampton, VA, United States)
Singh, Upendra N. (NASA Langley Research Center Hampton, VA, United States)
Kavaya, Michael J. (NASA Langley Research Center Hampton, VA, United States)
Chen, Songsheng (Science Applications International Corp. Hampton, VA, United States)
Bai, Yingxin (Science Applications International Corp. Hampton, VA, United States)
Petzar, Pual J. (Science Applications International Corp. Hampton, VA, United States)
Petros, Mulugeta (Science and Technology Corp. Hampton, VA, United States)
Date Acquired
August 24, 2013
Publication Date
January 1, 2005
Subject Category
Lasers And Masers
Distribution Limits
Public
Copyright
Public Use Permitted.

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