@inproceedings{4609e96c0dd94640a39f1c4d4498a6eb,
title = "Prepulse dependence in hard x-ray generation from microdroplets",
abstract = "We report on experiments which show that liquid microdroplets are very efficient in hard x-ray generation. We make a comparative study of hard x-ray emission from 15 μm methanol microdroplets and a plain slab target of similar atomic composition at similar laser intensities. The hard X-ray yield from droplet plasmas is about 35 times more than that obtained from solid plasmas. A prepulse that is about 10ns and at least 2% in intensity of the main pulse is essential for hard x-ray generation from the droplets at about 10 15 W cm -2. A hot electron temperature of 36 keV is measured from the droplets at 8 × 10 14 W cm -2; three times higher intensity is needed to obtain similar hot electron temperature from solid plasmas that have similar atomic composition. We use 1D-PIC simulation to obtain qualitative correlation to the experimental observations.",
keywords = "Intense laser, Liquid droplets, Plasma, X-ray generation",
author = "M. Anand and Sandhu, {A. S.} and S. Kahaly and Kumar, {G. Ravindra} and P. Gibbon and M. Krishnamurthy",
year = "2006",
month = apr,
day = "7",
doi = "10.1063/1.2195241",
language = "English (US)",
isbn = "0735403198",
series = "AIP Conference Proceedings",
pages = "493--498",
booktitle = "SUPERSTRONG FIELDS IN PLASMAS",
note = "3rd International Conference on Superstrong Fields in Plasmas ; Conference date: 19-09-2005 Through 24-09-2005",
}