Title :
Femtosecond laser electronic excitation tagging (FLEET) for imaging flow structure in unseeded air
Author :
Dogariu, Aristide ; Edwards, Matthew R. ; Michael, James B. ; Calvert, Nathan D. ; Miles, Richard B.
Author_Institution :
Mech. & Aerosp. Eng. Dept., Princeton Univ., Princeton, NJ, USA
Abstract :
We present a non-intrusive laser based technique for tagging flows. The femtosecond laser electronic excitation tagging (FLEET) is based on writing patterns in air and following the nitrogen pink afterglow.
Keywords :
Mach number; afterglows; excited states; flow visualisation; high-speed optical techniques; identification technology; jets; laser beam applications; nitrogen; pattern formation; supersonic flow; FLEET; Mach 2.6 overexpanded air jet; femtosecond laser electronic excitation tagging; flow pattern; flow structure imaging; flow tagging; nitrogen pink afterglow; nonintrusive laser based technique; unseeded air; Laser excitation; Measurement by laser beam; Nitrogen; Tagging; Ultrafast electronics; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
