Title :
Effect of aligned nitrogen molecules on atmospheric propagation of ultrashort laser pulses
Author :
Varma, S. ; Chen, Y.-H. ; Milchberg, H.M.
Author_Institution :
Inst. for Res. in Electron. & Appl. Phys., Maryland Univ., College Park, MD
Abstract :
A 90 fs pulse is focused in air, to non-ionizing intensity. A collinear probe pulse follows the pump into a region of spontaneously re-aligned N2. The aligned molecules can affect the focusing and filamenting of the probe.
Keywords :
high-speed optical techniques; nitrogen; N; air; aligned nitrogen molecules; atmospheric propagation; collinear probe pulse; nonionizing intensity; time 90 fs; ultrashort laser pulses; Atom optics; Focusing; Laser theory; Nitrogen; Optical propagation; Optical pulses; Physics; Probes; Pump lasers; Ultrafast optics; (020.0020) Atomic and molecular physics; (020.1670) Coherent optical effects; (320.2250) Femtosecond phenomena;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
