X-ray production with subpicosecond laser pulses
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545 (United States)
The interaction of intense, subpicosecond laser pulses with solid targets produces intense picosecond x-ray pulses. With focused laser pulses of several 10[sup 18] W/cm[sup 2], He-like and H-like line radiation from targets such as aluminum and silicon has been produced. The energy conversion efficiency from the laser pulse energy to the 1--2 keV line x-rays is nearly one percent. The duration of the line x-ray radiation is of the order of ten picoseconds, although this may be an upper estimate because of the temporal resolution of the x-ray streak camera. The spatial extent of the x-ray source region is only slightly larger than the laser focal spot, or about 10 [mu]m in diameter. Given these characteristics, such x-ray sources emit an intensity of nearly 10[sup 14] W/cm[sup 2]. Experiments and modeling which led to the above conclusions will be discussed. [copyright] 1994 [ital American] [ital Institute] [ital of] [ital Physics]
- DOE Contract Number:
- W-7405-ENG-36
- OSTI ID:
- 6597262
- Report Number(s):
- CONF-931048--
- Journal Information:
- AIP Conference Proceedings (American Institute of Physics); (United States), Journal Name: AIP Conference Proceedings (American Institute of Physics); (United States) Vol. 318:1; ISSN APCPCS; ISSN 0094-243X
- Country of Publication:
- United States
- Language:
- English
Similar Records
Subpicosecond, high-brightness excimer laser systems
X-ray spectroscopy of hot solid density plasmas produced by subpicosecond high contrast laser pulses at 10{sup 18}--10{sup 19} W/cm{sup 2}
Related Subjects
700350* -- Plasma Production
Heating
Current Drive
& Interactions-- (1992-)
ALUMINIUM
CONVERSION
ELECTROMAGNETIC RADIATION
ELEMENTS
EMISSION SPECTRA
ENERGY CONVERSION
ENERGY RANGE
EQUIPMENT
FOCUSING
IONIZING RADIATIONS
KEV RANGE
KEV RANGE 01-10
LASER-PRODUCED PLASMA
METALS
PLASMA
PULSES
RADIATION SOURCES
RADIATIONS
SEMIMETALS
SILICON
SPECTRA
TARGETS
X RADIATION
X-RAY EQUIPMENT
X-RAY SOURCES