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Influence of laser contrast on high-order harmonic generation from solid-density plasma surfaces
- Source :
- Chinese Optics Letters. 15:081902
- Publication Year :
- 2017
- Publisher :
- Shanghai Institute of Optics and Fine Mechanics, 2017.
-
Abstract
- The influence of laser temporal contrast on high-order harmonic generation from intense laser interactions with solid-density plasma surfaces is experimentally studied. A switchable plasma mirror system is set up to improve the contrast by two orders of magnitude at 10 ps prior to the main peak. By using the plasma mirror and tuning the prepulse, the dependence of high-order harmonic generation on laser contrast is investigated. Harmonics up to the 21st order via the mechanism of coherent wake emission are observed only when the targets are irradiated by high contrast laser pulses by applying the plasma mirror.
- Subjects :
- QC717
Materials science
business.industry
media_common.quotation_subject
Plasma
Laser
01 natural sciences
Atomic and Molecular Physics, and Optics
010305 fluids & plasmas
Electronic, Optical and Magnetic Materials
law.invention
Optics
Physics::Plasma Physics
law
Harmonics
Electric field
0103 physical sciences
Contrast (vision)
High harmonic generation
Irradiation
Electrical and Electronic Engineering
010306 general physics
business
Order of magnitude
media_common
Subjects
Details
- ISSN :
- 16717694
- Volume :
- 15
- Database :
- OpenAIRE
- Journal :
- Chinese Optics Letters
- Accession number :
- edsair.doi.dedup.....a9704750c8858ffe93e3d08b218b3314