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1 edition of Optical characterization of lithium plasma produced by laser irradiation found in the catalog.

Optical characterization of lithium plasma produced by laser irradiation

Bruce A. Hoselton

Optical characterization of lithium plasma produced by laser irradiation

by Bruce A. Hoselton

  • 179 Want to read
  • 8 Currently reading

Published .
Written in English

    Subjects:
  • Physics

  • The Physical Object
    Pagination62 p.
    Number of Pages62
    ID Numbers
    Open LibraryOL25481273M

    Spectroscopic studies of laser generated plasma X-rays and their effects on polymeric materials from laser produced plasma produce changes in the bonding structure of polymers due to cross linking and chain-seasoning goes on increasing due to more irradiation. Optical microscopyAuthor: Muhammad Bilal Tahir, Shoaib Ullah, Safdar Ali, M Rafique, M S Rafique. (2) laser irradiation. Calculated mean crystallite size of the sample from XRD patterns FWHM Crystallite size (Å) ZnO NPs before laser irradiation ZnO NPs after laser irradiation Wavelength, nm 0 Absorbance, a.u. ZnO without laser ZnO with laser Fig. 5.

      Optical emission spectroscopy (OES) analysis of inductively coupled RF oxygen plasma during plasma treatment of a 23 µm thick polyethylene terephthalate (PET) foil is presented. Plasma was generated in pure oxygen at a pressure of 75 Pa with a RF generator at a frequency of MHz and an output power of W. In this work, we synthesize Co-doped ZnS nanocrystals by pulsed laser ablation and deposition and investigate the composition and dynamics of the plasma produced in the ablation by time-of-flight mass spectrometry. The first experimental observation of Co-substituted ZnS clusters in the ablation plasma is reported; three series of cationic bimetallic clusters Znn–mComSn+, Cited by:

    PROCESS AND QUALITY CHARACTERIZATION FOR ULTRASONIC WELDING OF LITHIUM-ION BATTERIES by Seungjae Lee A dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy (Mechanical Engineering) in the University of Michigan Doctoral Committee: Professor S. Jack Hu, Co-Chair. V-visible absorption measurements U The optical absorption of highly polished samples with the dimensions of (1×4× cm3) was recorded at room temperature before and after successive gamma irradiation using a recording spectrophotometer type (JASCO, Corp., V, Rel, Japan) in the range nm.


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Optical characterization of lithium plasma produced by laser irradiation by Bruce A. Hoselton Download PDF EPUB FB2

Laser-Produced Lithium Plasma as a Narrow-Band Extended Ultraviolet Radiation Source for Photoelectron Spectroscopy Article (PDF Available) in Applied Optics 37(7).

@article{osti_, title = {Laser generated plasma of Li, Zn, and Li-Zn mixture}, author = {Gogic, S and Milosevic, S}, abstractNote = {We have produced by nm laser ablation lithium, zinc, and lithium-zinc plasma and have studied their spectral, temporal, and spatial characteristics with the aim to use its expansion in vacuum for the formation of the LiZn* and LiZn{sup +}.

Optical emission spectra of the plasma produced by µm Nd:YAG laser irradiation of a potassium titanyl phosphate (KTP) crystal were recorded and analysed in a time- and spatially resolved manner. Advances in characterization of laser induced plasmas by optical emission spectroscopy are reviewed in this article.

The review is focused on the progress achieved in the determination of the physical parameters characteristic of the plasma, such as electron density, temperature and densities of atoms and by:   In this paper, spatially- and temporally-resolved optical absorption and emission spectroscopy and fast ion probes are applied to study the formation and acceleration of the laser plasma formed by KrF laser irradiation of Y 1 Ba 2 Cu 3 O x in vacuum and the propagation of the plume through background gases of oxygen And argon at pressures and Cited by: Why optical characterization.

The Nobel Foundation Charles Kuen Kao Willard S. Boyle George E. Smith transmission of light in fibers for optical communication and invention of the CCD contributions to the quantum theory of optical coherence and the development of laser-based precision spectroscopy Roy J.

Glauber John L. Hall Theodor W. HänschFile Size: 8MB. Results are presented from studies of the spectral characteristics of a glowing plasma object that forms behind a shock wave propagating in a background gas at a pressure of 1 Torr after laser irradiation of a spherical organic target in the MKV-4 device (a component of the Iskra-5 facility).

The experimental data are compared to the results of : V. Atamanenko, A. Bessarab, G. Bondarenko, G. Dolgoleva, V. Zhmaĭlo, A. Kravchenko. 11 July Spectroscopic characterization of soft x-ray multilayer optics using a broadband laser-plasma radiation source.

Space-resolved line spectra of laser- produced plasma were obtained and analyzed. The spectrograph for the - angstrom range had a practical resolving power of at leasta plate scale of angstroms/mm Cited by: 1. In this paper we investigate the time evolution of laser plasmas generated in atmospheric air by ultrashort ( fs) laser pulses.

The detected quantity is the time integrated photon yield emitted by the plasma, which monotonically depends on the amount of energy transferred by the laser pulses to the plasma.

Computational characterization of plasma effects in ultrafast laser irradiation of spherical gold nanostructures for photothermal therapy. pulsed laser in the tissue therapeutic optical window In this way the thermal and mechanical dynamics following laser irradiation can be controlled to optimize the desired biomedical application.

The present experimental results were obtained with a lithium plasma expanding in vacuum. The temporal and spatial evolution of Li 0 was mapped by integrating the spectrum of the optically thin absorption coefficient of the 1s 2 2s→1s2s2p transition (line A), at eV, for varying distances above the target surface (Δx) and time delays (ΔT) between the laser by: Abstract: In laser-induced breakdown spectroscopy (LIBS), a pair of aluminum-plate walls were used to spatially confine the plasmas produced in air by a first laser pulse (KrF excimer laser) from chromium (Cr) targets with a second laser pulse (Nd:YAG laser at nm, mJ/pulse).

The intention of this paper is to study the physical mechanism underlying the response of gold nanoparticle (AuNP) dimers to a near-infrared off-resonance femtosecond pulse laser in aqueous medium.

We show that the strongly localized field enhancement in the gap distance and around nanoparticles significantly reduces the laser fluence threshold to achieve an optical breakdown.

Pa then exposed to laser irradiation from diode laser HPLQ10W. The effects of laser-irradiation on the optical parameters were investigated. The optical parameters were acquired utilizing spectrophotometric measurements of the transmittance and reflectance at normal incidence of light at the wavelengths range – nm.

The type of. Maximum extreme ultraviolet (EUV) conversion efficiencies (CEs) of % and % were achieved in planar Li targets by using pulsed 2ω and 1ω Nd:YAG laser irradiation, respectively. In a forced recombination scheme, the total CE can be expected to be about 4%.

The maximum kinetic energy of the lithium ion debris was found to be less than 1 keV, indicating that mirror Cited by: Laser-produced plasma is one of the most promising op-tions in the development of a light source for next-generation extreme ultraviolet EUV lithography.1 Transient laser-produced tin plasma is currently considered as a candidate for an EUV radiation source.

Spitzer et al.2 studied Sn as an efficient target to convert Nd:YAG yttrium aluminum gar. An EUV light source is disclosed that may include a laser source, e.g. CO 2 laser, a plasma chamber, and a beam delivery system for passing a laser beam from the laser source into the plasma chamber. Embodiments are disclosed which may include one or more of the following; a bypass line may be provided to establish fluid communication between the plasma chamber Cited by: Abstract Advances in characterization of laser induced plasmas by optical emission spectroscopy are reviewed in this article.

The review is focused on the progress achieved in the determination of the physical parameters characteristic of the plasma, such as electron density, temperature and densities of atoms and ions.

Study of Optical properties of Alpha and Nd:YAG Laser Irradiated Cellulose Nitrate Polymer the effect of laser irradiation on the structural properties of CN; have been investigated using absorption and fluorescence.

The absorption spectra of only alpha irradiated and Optical band gap energy, Nd:YAG laser, CN (SSNTD).Author: R. Qindeel, N. Alonizan, M. Baig, W. Farooq, S. Al-Ghamdiand, M. Al-Garawi. In laser-induced breakdown spectroscopy (LIBS), a pair of aluminum-plate walls were used to spatially confine the plasmas produced in air by a first laser pulse (KrF excimer laser) from chromium (Cr) targets with a second laser pulse (Nd:YAG laser at nm, mJ/pulse) introduced parallel to the sample surface to re-excite the plasmas.

Optical emission. Ultrashort pulse for fs level Multiphoton-assisted impact ionization Crater, plasma, crush, and cracks m 4% + ms (a) 7% + ms (b) 7% + ms m (c) F: ree typical surface morphologies observed in the laser irradiated areas of fused silica induced by. @ mCO 2 laser irradiation [ ].Results and discussion.

Figure 1 b–d show the X-ray diffraction (XRD) patterns of the prepared nanoparticles. For reference, the spectrum of the target is shown in Fig.

1 a. The energy densities of laser irradiation used to prepare the particles were (b) J/cm 2, (c) J/cm 2, and (d) J/cm general, Y 3 Al 5 O 12 exhibits a garnet structure (A 3 B′ 2 B″ 3 O 12, space group Cited by: 9.LASER INDUCED PLASMAS CONTAINING CARBON AND TRANSITIONAL METALS” By David Edmond Motaung In situ optical emission spectroscopic studies on carbon plasma containing transitional metals by laser-furnace method of synthesizing carbon nanotubes have been carried out.

The target was ablated by and nm laser.