The spectral and temporal behaviour of back-and forward-scattered laser light on laser produced spark are investigated. Short backscattered pulses from the plasma fronts appears just after the breakdown. Self-focusing caused by nonlinear heating begins when the plasma filament is already formed.
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Atomic and Molecular Physics, and Optics
- Physical and Theoretical Chemistry
- Electrical and Electronic Engineering