Title :
Optical bandwidth and focusing dynamics effects on an underwater laser acoustic source
Author :
Hornstein, Melissa K. ; Jones, Theodore G. ; Ting, Antonio C. ; Lindwall, Dennis
Author_Institution :
Plasma Phys. Div., Naval Res. Lab., Washington, DC, USA
Abstract :
Both femtosecond and nanosecond laser pulses can produce nonlinear effects in water, including filamentation and laser-induced breakdown resulting in acoustic generation. We examine the effects of GVD, varying wavelength, bandwidth, energy, and focusing configurations.
Keywords :
high-speed optical techniques; laser beam effects; nonlinear acoustics; optical self-focusing; underwater optics; underwater sound; GVD effects; acoustic generation; femtosecond laser pulse; filamentation; group velocity dispersion; laser-induced breakdown; nanosecond laser pulse; nonlinear effects; optical bandwidth; optical focusing dynamics effects; underwater laser acoustic source; Acoustic pulses; Bandwidth; Electric breakdown; Focusing; Nonlinear optics; Optical pulse generation; Optical pulses; Pulse compression methods; Ultrafast optics; Underwater acoustics; (140.3440) Laser-induced breakdown (190.4720); (190.7110) Ultrafast nonlinear optics; (280.3375) Laser induced ultrasonics; Optical nonlinearities of condensed matter;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8