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Thursday, February 13, 2020 | History

3 edition of Multilayer and grazing incidence x-ray/EUV optics II found in the catalog.

Multilayer and grazing incidence x-ray/EUV optics II

14-16 July 1993, San Diego, California

by

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Published by SPIE--the International Society for Optical Engineering in Bellingham, Wash .
Written in English

    Subjects:
  • Grazing incidence -- Congresses.,
  • Ultraviolet astronomy -- Congresses.,
  • X-ray optics -- Congresses.

  • Edition Notes

    Includes bibliographical references and index.

    StatementRichard B. Hoover, Arthur B.C. Walker, chair/editor ; sponsored and published by SPIE--the International Society for Optical Engineering.
    SeriesProceedings / Society of Photo-optical Instrumentation Engineers -- v. 2011, Proceedings of SPIE--the International Society for Optical Engineering -- v. 2011.
    ContributionsHoover, Richard B., Walker, A. B. C., Society of Photo-optical Instrumentation Engineers.
    Classifications
    LC ClassificationsQC374 .Q1546 1992
    The Physical Object
    Paginationxiii, 2011 p. :
    Number of Pages2011
    ID Numbers
    Open LibraryOL20501373M
    ISBN 100819412600

    For NDE on a micro- and nano-meter scale, preparation of appropriate test flaws and the verification of the NDE results turn out to be a challenge. First, we give scalings for the turbulent flame speed, the Reynolds number, the viscous scale, and the size of the burning region as the non-dimensional gravity G is varied. Several observational and theoretical considerations suggest that the heating is driven by small, impulsive energy bursts which could be Parker-style "nanoflares" Parker that arise via reconnection within the tangled and twisted coronal magnetic field. Using this parameterization for the mixed mass, we then perform several one-dimensional Lagrangian calculations of an accreting WD envelope and consider two scenarios: that the wave breaking and mixing is driven by the convective flows and that the mixing occurs prior to the onset of convection. DeMaggio, and G. To ensure that the instrument meets its research goals, both systems are undergoing extensive performance modeling and testing.

    Proposals on other vertical lift technologies will also be considered however the primary emphasis of this solicitation will be on the above two identified technical areas. Reciprocal space constructions for reflectivity We conclude with a summary detailing the mapping process that yields the lowest ambient velocities in the mapped model. Our study focuses on validating FLASH, a parallel, adaptive-mesh hydrodynamics code for studying the compressible, reactive flows found in many astrophysical environments. These numerical experiments show that the emergence of current-carrying magnetic field in the vicinity of the pore supplies the magnetic twist needed for recurrent helical jet formation. Abstract Synchrotron-radiation imaging was applied to the non-destructive testing of detector devices during their development cycle.

    Any temperature perturbations and resulting pressure gradients will lead to enormous accelerations both laterally and vertically of the material in the fuel layer. Kaganer, B. Freund, and A. Methods for analysis of aircraft static and dynamic stability characteristics suitable for unconventional aircraft. Paper solicited for journal but not peer reviewed. We present the overall status of the construction phase along with the current challenges as well as a review of the planned science testing and the transition into early science operations.


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Multilayer and grazing incidence x-ray/EUV optics II book

Getty, Y. Pernot, D.

Concepts and Requirements for ITER X

This result is consistent with 1D model predictions during chromospheric evaporation in flares. Schaake, Editors, Mat. B 54 6 Word version without figures.

Tolk, Qi Wang, D. The inhomogeneous strain distribution in the wires was calculated by the finite element method, which provided the input data for simulations of the scattered intensities using kinematical diffraction theory used for comparison with measured reciprocal space maps.

Using GID, the geometrical shape of the wires and their in-plane strain can be determined independently of each other. We show the evolution of the Fe xxi profiles during the impulsive phase of the flare at the same ribbon location with a 75 s temporal cadence.

The instrument includes an image stabilization system, which uses fiber-optic gyroscopes to determine platform rotation, GPS to calculate the ephemeris of the sun, and a voltage-driven mirror to correct the line of sight.

The input parameters for our theoretical model are derived from the most recent observations of the Solar Corona. Bandaru, M. Hoover, Editor, Proc.

The morphology of the X-ray emitting structures is significantly different from that of the flow structures originating from the shock-cloud interaction.

We have developed a theoretical description of x-ray scattering from laterally modulated structures that makes it possible to determine the lateral composition modulation directly without assuming any structure model.

The energy flux contained within the coronal intensity disturbances is of the order of 1. Here we report a representative case which reproduces, without any ad hoc assumption, the characteristics of the X-ray emission recently observed in the protostellar jet HH This paper describes the implementation of the SWEAP Investigation, the driving requirements for the suite, expected performance of the instruments, and planned data products, as of mission preliminary design review.

During the past 15 years students working in the group have co-authored 44 publications and made 61 presentations at professional society meetings. Inaba, P. Martin Elvis, Daniel G. DPPGPD Altcode: Recent and ongoing experiments have studied mechanisms that affect the evolution of supernovae, supernova remnants, and related systems.

NASA SBIR 2016 Program Solicitation

Thermal conduction appears to be effective in suppressing the Kelvin-Helmholtz and Rayleigh-Taylor instabilities which would develop at the cloud boundaries.

Adler, et al. Jensen, Richard R. This submission supersedes the previous submission. Simultaneous observations of the region by SDO and Hinode show that the jets emanate from a source region comprising a pore embedded in the interior of a supergranule.

Google Scholar High speed cameras for capturing highly dynamic processes in the solar atmosphere are being developed by a UK consortium.

Richard B Hoover

We present results from two-dimensional simulations with and without the effects of magnetic fields and with varying bubble sizes and background stratifications.Click on the book chapter title to read more. Search the leading research in optics and photonics applied research from SPIE journals, conference proceedings and presentations, and eBooks.

K. D. Joensen, P. Hoghoj, et al., Multilayered supermirror structures for hard x-ray synchrotron and astrophysics instrumentation, in Multilayer and Grazing Incidence X- Ray/EUV Optics II SPIE proc.() Google ScholarCited by: 1. Nov 12,  · Contractors should prove the feasibility of proposed innovations using suitable analyses and small scale tests in Phase I.

In Phase II, significant testing/fabrication or software capabilities should be developed and demonstrated. A Technology Readiness Level (TRL) at the end of Phase II of or higher is desired. Multilayer gratings for X-UV optics (article, Using grazing-incidence small-angle x-ray scattering, we determine the shape, the mean radius, height, and dot distance.

The dot distribution is isotropic within the () interfaces, and no correlation of the dot positions along growth direction was found. Advances in X-Ray/EUV Optics and. Full text of "NASA Technical Reports Server (NTRS) The FY scientific and technical reports, articles, papers, and presentations" See other formats.