Hot electron generation in a dense plasma by femtosecond laser pulses of subrelativistic intensity

Journal Article · Fri Jul 31 00:00:00 EDT 2009 · Quantum Electronics (Woodbury, N.Y.)

DOI:https://doi.org/10.1070/QE2009V039N07ABEH014024· OSTI ID:21467111

Bolshakov, V V ^[1]; Vorob'ev, A A ^[2]; Uryupina, D S; Ivanov, K A; Morshedian, Nader; Volkov, Roman V; Savel'ev, Andrei B ^[3]

---

1. International Laser Center, M. V. Lomonosov Moscow State University, Moscow (Russian Federation)
2. A.M. Prokhorov General Physics Institute, Russian Academy of Sciences, Moscow (Russian Federation)
3. M. V. Lomonosov Moscow State University, Faculty of Physics, Moscow (Russian Federation)

We report a study of hot electron generation via the interaction of femtosecond laser pulses of subrelativistic intensity (10{sup 15} to 2x10{sup 17} W cm{sup -2}), having different linear polarisations and nanosecond-scale contrasts, with the surface of 'transparent' (quartz glass) and 'absorbing' (silicon) targets. As the incident pulse intensity increases from 10{sup 15} to 10{sup 17} W cm{sup -2}, the difference in hard X-ray yield and average hot electron energy between s- and p-polarised beams rapidly decreases. This effect can be understood in terms of relativistic electron acceleration mechanisms. (special issue devoted to the 80th birthday of S.A. Akhmanov)

• OSTI ID: 21467111
• Journal Information: Quantum Electronics (Woodbury, N.Y.), Vol. 39, Issue 7; Other Information: DOI: 10.1070/QE2009v039n07ABEH014024; ISSN 1063-7818
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
ELECTRONS
GLASS
HARD X RADIATION
PLASMA DENSITY
POLARIZATION
POLARIZED BEAMS
PULSES
QUARTZ
RELATIVISTIC RANGE
SILICON
BEAMS
ELECTROMAGNETIC RADIATION
ELEMENTARY PARTICLES
ELEMENTS
ENERGY RANGE
FERMIONS
IONIZING RADIATIONS
LEPTONS
MINERALS
OXIDE MINERALS
RADIATIONS
SEMIMETALS
X RADIATION