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Peculiarities of Efficient Plasma Generation in Air and Water by Short Duration Laser PulsesWe have conducted experiments to demonstrate an efficient generation of plasma discharges by focused nanosecond pulsed laser beams in air and provided recommendations on the design of optical systems to implement such plasma generation. We have also demonstrated generation of the secondary plasma discharge using the unused energy from the primary one. Focused nanosecond pulsed laser beams have also been utilized to generate plasma in water where we observed self-focusing and filamentation. Furthermore, we applied the laser generated plasma to the decomposition of methylene blue dye diluted in water.
Document ID
20170003884
Acquisition Source
Glenn Research Center
Document Type
Technical Memorandum (TM)
Authors
Adamovsky, Grigory (NASA Glenn Research Center Cleveland, OH United States)
Floyd, Bertram M. (HX5 Sierra, LLC Cleveland, OH, United States)
Date Acquired
April 25, 2017
Publication Date
April 1, 2017
Subject Category
Plasma Physics
Report/Patent Number
GRC-E-DAA-TN39349
NASA/TM-2017-219483
E-19351
Funding Number(s)
WBS: WBS 110076.01.03.01.01
CONTRACT_GRANT: NNC15BA02B
Distribution Limits
Public
Copyright
Public Use Permitted.
Keywords
Plasma

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