Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Temperature determination using Kalpha spectra from M -shell Ti ions.

S B Hansen1, A Ya Faenov, T A Pikuz

  • 1Lawrence Livermore National Laboratory, P.O. Box 808, L-473, Livermore, California 94550, USA.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|October 26, 2005
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Observation of a mixed close-packed structure in superionic water.

Nature communications·2025
Same author

Case of Puerperal Peritonitis.

Chicago medical examiner·2023
Same author

A scintillator attenuation spectrometer for intense gamma-rays.

The Review of scientific instruments·2022
Same author

2D monochromatic x-ray imaging for beam monitoring of an x-ray free electron laser and a high-power femtosecond laser.

The Review of scientific instruments·2021
Same author

Laser-driven x-ray and proton micro-source and application to simultaneous single-shot bi-modal radiographic imaging.

Nature communications·2020
Same author

Effect of plastic coating on the density of plasma formed in Si foil targets irradiated by ultra-high-contrast relativistic laser pulses.

Physical review. E·2020
Same journal

Tension on dsDNA bound to ssDNA-RecA filaments may play an important role in driving efficient and accurate homology recognition and strand exchange.

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Publisher's Note: Amplitude-phase coupling drives chimera states in globally coupled laser networks [Phys. Rev. E 91, 040901(R) (2015)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Erratum: Shapes of sedimenting soft elastic capsules in a viscous fluid [Phys. Rev. E 92, 033003 (2015)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Erratum: Attenuation of excitation decay rate due to collective effect [Phys. Rev. E 90, 022142 (2014)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Publisher's Note: Role of connectivity and fluctuations in the nucleation of calcium waves in cardiac cells [Phys. Rev. E 92, 052715 (2015)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Publisher's Note: Lattice Boltzmann approach for complex nonequilibrium flows [Phys. Rev. E 92, 043308 (2015)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
See all related articles

Researchers used the COMET laser to study titanium (Ti) foils, observing K-alpha emission from hot electrons. This emission allowed for spectroscopic diagnosis of thermal electron temperatures in strongly coupled Ti plasmas.

Area of Science:

  • Plasma Physics
  • Laser-Induced Phenomena
  • Atomic Spectroscopy

Background:

  • High-intensity laser-plasma interactions are crucial for understanding energy deposition and particle acceleration.
  • Inner-shell excitation, particularly K-alpha emission, serves as a diagnostic tool for hot electron generation and plasma conditions.
  • Titanium (Ti) is a relevant material for studying these processes due to its distinct K-alpha emission characteristics.

Purpose of the Study:

  • To investigate K-alpha emission from laser-irradiated titanium foils using the COMET laser facility.
  • To spatially resolve and spectrally analyze the K-alpha emission to diagnose plasma properties.
  • To determine thermal electron temperatures in strongly coupled Ti plasmas.

Main Methods:

  • Irradiation of aluminum-coated Ti foils (2-50 micrometers thick) with high-power, short-pulse lasers (approx. 10(19) W cm(-2), 500 fs, 3-6 J).

Related Experiment Videos

  • Measurement of K-alpha emission using a focusing spectrometer with spatial resolution, targeting the back surface of the foils.
  • Spectroscopic analysis of K-alpha emission broadening and blueshifted satellites using a self-consistent-field model.

    • Main Results:

    • K-alpha emission was successfully generated and measured, originating from inner-shell excitation by hot electrons.
    • The spatial extent of K-alpha emission was observed to vary with target thickness.
    • Spectroscopic analysis revealed blueshifted satellite features, indicating ionized Ti in a heated plasma region, enabling temperature diagnosis up to 40 eV.

    Conclusions:

    • High-resolution K-alpha spectroscopy is an effective method for diagnosing hot electron dynamics and plasma conditions in laser-irradiated materials.
    • The study successfully diagnosed thermal electron temperatures in strongly coupled Ti plasmas, demonstrating the utility of this technique.
    • The observed spatial variation and spectral features provide insights into laser-matter interactions at high intensities.