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Laser-filamentation-induced condensation and snow formation in a cloud chamber |
Optics Letters, Vol. 37, Issue 7, pp. 1214-1216 (2012)
http://dx.doi.org/10.1364/OL.37.001214
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Abstract
Using 1 kHz, 9 mJ femtosecond laser pulses, we demonstrate laser-filamentation-induced spectacular snow formation in a cloud chamber. An intense updraft of warm moist air is generated owing to the continuous heating by the high-repetition filamentation. As it encounters the cold air above, water condensation and large-sized particles spread unevenly across the whole cloud chamber via convection and cyclone like action on a macroscopic scale. This indicates that high-repetition filamentation plays a significant role in macroscopic laser-induced water condensation and snow formation.
© 2012 Optical Society of America
OCIS Codes
(120.3940) Instrumentation, measurement, and metrology : Metrology
(140.3450) Lasers and laser optics : Laser-induced chemistry
(260.5130) Physical optics : Photochemistry
ToC Category:
Atmospheric Optics
History
Original Manuscript: November 10, 2011
Revised Manuscript: January 16, 2012
Manuscript Accepted: January 31, 2012
Published: March 26, 2012
Citation
Jingjing Ju, Jiansheng Liu, Cheng Wang, Haiyi Sun, Wentao Wang, Xiaochun Ge, Chuang Li, See Leang Chin, Ruxin Li, and Zhizhan Xu, "Laser-filamentation-induced condensation and snow formation in a cloud chamber," Opt. Lett. 37, 1214-1216 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-7-1214
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