MeV x-ray generation with a femtosecond laser

Journal Article · Sun Mar 08 23:00:00 EST 1992 · Physical Review Letters; (United States)

DOI:https://doi.org/10.1103/PhysRevLett.68.1527· OSTI ID:7046706

Kmetec, J D; Gordon, III, C L; Macklin, J J; Lemoff, B E; Brown, G S; Harris, S E ^[1]

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1. E. L. Ginzton Laboratory, Stanford University, Stanford, California 94305 (United States)

A 0.5-TW, 120-fs Ti:sapphire laser, when focused to greater than 10{sup 18} W/cm{sup 2} onto a solid target, creates a plasma which emits radiation that extends beyond 1 meV. The x-ray yield increases as the 3/2 power of the incident laser energy, reaching 0.3% energy conversion to radiation above 20 keV at 40 mJ of laser energy on target. An x-ray spectral distribution of 1/{ital E} fits the data for most of the radiation, falling faster at higher photon energies.

• OSTI ID: 7046706
• Journal Information: Physical Review Letters; (United States), Journal Name: Physical Review Letters; (United States) Vol. 68:10; ISSN PRLTA; ISSN 0031-9007
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700350* -- Plasma Production
Heating
Current Drive
& Interactions-- (1992-)
ALLOYS
CONVERSION
CORUNDUM
DATA
ELECTROMAGNETIC RADIATION
ENERGY CONVERSION
ENERGY DEPENDENCE
ENERGY RANGE
EV RANGE
EV RANGE 01-10
EXPERIMENTAL DATA
INFORMATION
IONIZING RADIATIONS
LASER-PRODUCED PLASMA
LASERS
MINERALS
NUMERICAL DATA
OXIDE MINERALS
PLASMA
PULSES
RADIATIONS
SAPPHIRE
SOLID STATE LASERS
SOLIDS
TARGETS
TIMING PROPERTIES
TITANIUM ADDITIONS
TITANIUM ALLOYS
X RADIATION
YIELDS