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Updated: May 29, 2026

Investigation of Early Plasma Evolution Induced by Ultrashort Laser Pulses
Published on: July 2, 2012
Measuring easily electron plasma densities in gases produced by ultrashort lasers and filaments
D Abdollahpour1, S Suntsov, D G Papazoglou
1Institute of Electronic Structures and Laser, Foundation for Research and Technology Hellas, Heraklion, Greece. dabdolah@iesl.forth.gr
Abstract:
We present an easy way to calibrate the simple plasma conductivity (PCo) technique for measuring electron plasma densities in gases. We show that calibration can be achieved using a single absolute plasma density measurement through an independent analytical technique, in our case the in-line holographic microscopy (i-HOM). We show the validity and power of the method by comparing the calibrated PCo with results from i-HOM over an extended range of experimental parameters.
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