Title :
Two-dimensional supercontinuum spectral interferometry for measurement of laser-induced plasmas
Author :
Wahlstrand, J.K. ; Zahedpour, S. ; Milchberg, H.M.
Author_Institution :
Inst. for Res. in Electron. & Appl. Phys., Univ. of Maryland, College Park, MD, USA
Abstract :
The plasma-induced phase shift of a probe is measured in 2D spatially with ~3 μm resolution and temporally with ~5 fs resolution. From this ionization rates for the noble gases are found for a 40 fs, 800 nm pulse, for intensities up to nearly full depletion of the neutral population.
Keywords :
plasma diagnostics; plasma production by laser; 2D spatially; ionization rates; laser-induced plasma measurement; neutral population; noble gases; plasma-induced phase shift; two-dimensional supercontinuum spectral interferometry; Ionization; Nonlinear optics; Optical interferometry; Optical pulses; Phase measurement; Plasma measurements; Probes;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
