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2 edition of Performance analysis of grazing incidence imaging systems found in the catalog.

Performance analysis of grazing incidence imaging systems

Carl E. Winkler

Performance analysis of grazing incidence imaging systems

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Published by National Aeronoautics and Space Administration, Scientific and Technical Information Office, for sale by the National Technical Information Service in [Washington], Springfield, Va .
Written in English

    Subjects:
  • Information display systems.

  • Edition Notes

    StatementCarl E. Winkler and Dietrich Korsch.
    SeriesNASA technical paper ; 1088, NASA technical paper -- 1088.
    ContributionsKorsch, Dietrich., United States. National Aeronautics and Space Administration. Scientific and Technical Information Office.
    The Physical Object
    Paginationvii, 32 p. :
    Number of Pages32
    ID Numbers
    Open LibraryOL17818046M

    Chapter Hybrid Processors, Meteorological Radar, and System Performance Analysis The Moving Target Detector (MTD) In the early s the ground-based surveillance radars were bothered by ground clutter, birds, various forms of anomalous propagation, and weather. Overview The continuous wave (CW) radar is frequently used for detection and tracking of moving targets. Learn more about Chapter Environmental Limitations of CW Radars on GlobalSpec. Moreover, grazing systems, i.e., ecosystems subject to grazing like grasslands and shrublands where ruminant livestock species feed predominantly from grazing land borne biomass, cover about 40% of the global terrestrial ice-free land surface [Reid et al., ; Erb et al., ] and areCited by: The high-resolution TWIN lens allows for imaging at both moderate and high magnification up to nm point-to-point resolution & nm lattice resolution. The digital TEM combines excellent performance with optimized ease-of-use for high resolution imaging, elemental analysis and mapping.


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Performance analysis of grazing incidence imaging systems by Carl E. Winkler Download PDF EPUB FB2

Performance analysis of grazing incidence imaging systems. [Washington]: National Aeronoautics and Space Administration, Scientific and Technical Information Office ; Springfield, Va.: For sale by the National Technical Information Service, Signal Processing and Performance Analysis for Imaging Systems [Young, S Susan, Driggers, Ronald G, Jacobs, Eddie Lynn] on *FREE* shipping on qualifying offers.

Signal Processing and Performance Analysis for Imaging SystemsCited by: optimizing the performance of as-manufactured grazing incidence x-ray telescopes using mosaic detector arrays Article January with 20 Reads How we measure 'reads'Author: Martina Atanassova.

Tuning the energy of GISAXS and GIWAXS in the soft X-ray regime and in time-of flight GISANS allows the tailoring of contrast conditions and thereby the probing of more complex morphologies.

In addition, recent progress in software packages, useful for data analysis for advanced grazing-incidence techniques, is by: Diffraction effects in grazing Performance analysis of grazing incidence imaging systems book X-ray telescopes analysis of general grazing incidence systems is presented.

for several different x-ray imaging systems. Parametric performance. Abstract. Within the last years, grazing incidence small-angle X-ray scattering (GISAXS) emerged to a versatile and frequently used analysis technique in the field of microand nano-structured thin films and by: design of the next generation of lightweight grazing-incidence mirrors.

Here we report initial results of this study. Keywords: X-ray telescopes, opto-mechanical analysis techniques. INTRODUCTION More than 14 years have passed since the launch of the Chandra X-ray Observatory,1,2,3 and it.

The principles of grazing incidence X-ray diffraction (GIXD) are discussed. A sample of a crystalline material is composed of a surface region including its top layer and a bulk part. The effect of the surface region on the intensity of surface X-ray diffraction cannot be generally by: 7. Performance Analysis of Imaging Systems Saul Aronow The ultimate performance test of an imag- ing system is its medical utility.

This re- quires clinical use and evaluation of how well the system improves the delivery of health care. The radioactive source and the medium through which it travels, the collimator, detector electronics, and dis Cited by: 2.

The primary aim of the research presented Performance analysis of grazing incidence imaging systems book was to demonstrate the feasibility of neutron imaging using the double-reflection grazing-incidence geometry. We present performance results of preliminary tests of a neutron mirror, based on the Wolter-1 geometry, fabricated at NASA Marshall Space Flight Center (MSFC).

by: An Evaluation of Grazing-Incidence Optics for Neutron Imaging Author M.V. Gubarev The refractive index for most materials is slightly less than unity, which opens an opportunity to develop the grazing incidence neutron imaging optics. The ideal material for the optics would be natural nickel and its isotopes.

Marshall Space Flight Center. Quantitative analysis of grazing incidence small-angle x-ray scattering: PdÕMgO—–growth C. Revenant,1 F. Leroy,1 R. Lazzari,1,2 G. Renaud,1 and C. Henry3 1De ´partement de Recherche Fondamentale sur la Matie`re Condensee/SP2M/NRS, CEA Grenoble, 17 Avenue des Martyrs, F Grenoble Cedex 9, France 2Groupe de Physique des Solides, CNRS and Universite´s Paris UMR.

Specialized software for modeling grazing-incidence x-ray telescopes is being developed by MSFC with assistance from the University of Alabama in Huntsville. Interfaces between the optical model and the mirror surface metrology and the predictions of structural/thermal Cited by: 1.

Proc. SPIEElectro-Optical Remote Sensing, Photonic Technologies, and Applications VIII; and Military Applications in Hyperspectral Imaging and High Spatial Resolution Sensing II, (13 October ); doi: / title = "Simultaneous analysis of Grazing Incidence X-Ray reflectivity and X-ray standing waves from periodic multilayer systems", abstract = "Structural analysis of periodic multilayers with small period thickness (~4 nm) is a challenging task, especially when thicknesses of intermixed interfaces become comparable to individual layer : S.N.

Yakunin, I. Makhotkin, M.A. Chuyev, A.Y. Seregin, E.M. Pashayev, E. Louis, van de R.W.E. Kruijs. Technical. Measuring the angle dependent fluorescence signal in grazing incidence on an optical flat results in distinct shapes of the recorded angle curve depending on whether an element is present in the bulk material, a thin layer or implant near the surface or a residue on the implants the curve shape below and near the critical angle is mainly depending on the average Cited by: This article describes the development of a flexible grazing-incidence small-angle X-ray scattering (GISAXS) simulation code in the framework of the distorted wave Born approximation that effectively utilizes the parallel processing power provided by graphics processors and multicore processors.

The code, entitled High-Performance GISAXS, computes the GISAXS image for any given superposition. critical angle is o, for example, any long-range or short-range variation in the surface normal of the order of o will move large parts of the surface out of the total reflection condition.

Second, at grazing angles, most of the incoming X-ray beam is wasted. Assuming an incident angle of o and a surface dimension of 1cm, only a 2Τm slice of.

Chapter 1 Synthetic Aperture Radars (SAR) Imaging Basics The word “radar” is an acronym for Radio Detection and Ranging.A radar measures the distance, or range, to an object by transmitting an electromagnetic signal to and receiving an echo reflected from the electromagneticFile Size: 1MB.

@article{osti_, title = {Spatial imaging in the soft x-ray region ( A) utilizing the astigmatism of a grazing incidence concave grating}, author = {Nudelfuden, A and Solanki, R and Moos, H W}, abstractNote = {Soft x-ray (A) astigmatic line shapes were measured in order to evaluate the spatial imaging properties of a Rowland mounted concave grating in grazing incidence.

Comparison of four data analysis software for combined X-ray reflectivity and grazing incidence X-ray fluorescence measurements Bérenger Caby (1), Fabio Brigidi (2), Dieter Ingerle (3), Blanka Detlefs (1), Gaël Picot (1), Luca Lutterotti (4), Emmanuel Nolot (1), Giancarlo Pepponi (2), Cristina Streli (3), Magali Morales (5), Daniel Chateigner (6)File Size: KB.

Wavefront Sensing Analysis of Grazing Incidence Optical Systems Features and Benefits Applications • This method allows integration of high angular resolution optics without the use of normal incidence interferometry, which requires direct access to the front surface of each mirror.

• It is applicable to any wavelength being. Nika accepts such data and reduces it to 1-dimensional scans – typically as intensity as function of scattering angle --suitable for most of the data analysis programs (e.g., Irena for SAXS data). It can also be used for grazing-incidence geometry SAXS or WAXS.

Focused Ion Beam Systems: Basics and Applications. Cambridge, UK: Cambridge University Press. Cambridge, UK: Cambridge University Press. ISBN A new development in the determination of residual stresses in thin surface layers and coatings is presented.

The procedure, based on the grazing-incidence X-ray diffraction geometry (referred to here as the `g-sin2 ψ' geometry), enables non-destructive measurement at a chosen depth below the sample surface. The penetration depth of the X-ray radiation is well defined and does not change Cited by: PROCEEDINGS VOLUME Optical System Design, Analysis, Production for Advanced Technology Systems Illumination Systems Analysis -A Proposal For Computing The Local Illuminance Author(s): Gunter Zochling Some Aspects Of The MTF Testing Of Imaging Systems Author(s): T L Williams.

Conference: X-ray/EUV optics for astronomy and microscopy; Proceedings of the Meeting, San Diego, CA, Aug.X-ray fluorescence (XRF) is the emission of characteristic "secondary" (or fluorescent) X-rays from a material that has been excited by being bombarded with high-energy X-rays or gamma phenomenon is widely used for elemental analysis and chemical analysis, particularly in the investigation of metals, glass, ceramics and building materials, and for research in geochemistry, forensic.

The grazing incidence small-angle X-ray scattering (GISAXS) from structures within a thin film on a substrate is generally a superposition of the two scatterings generated by the two X-ray beams (reflected and transmitted beams) converging on the film with a difference of twice the incidence angle (αi) of the X-ray beam in their angular directions; these two scatterings may overlap or may be Cited by: Start studying Digital Chapter Learn vocabulary, terms, and more with flashcards, games, and other study tools.

What is the overall efficiency and effectiveness of imaging systems evaluated beyond the mechanics of producing radiographic images. -test to ensure anatomic image analysis and histogram production are operating correctly. Grazing exit versus grazing incidence geometry for x-ray absorption near edge structure analysis of arsenic traces F.

Meirer,1,a G. Pepponi,2 C. Streli,1 P. Wobrauschek,1 and N. Zoeger1 1Atominstitut, Vienna University of Technology, Wien, Austria 2Fondazione Bruno Kessler, via Sommar Povo (Trento), Italy Received 18 September ; accepted 23 February ; published.

Book review of Surface and Thin Film Analysis, (H. Bubert and H. Jenett, eds) published by Wiley-VCH, Weinheim, Grazing Incidence X-Ray Photoelectron Spectroscopy: A Method to Study Gate Dielectric Films on Si.

Grazing incident X-ray Diffraction (XRD) X-rays are electromagnetic radiation with very short wavelength ( m), very suitable to do diffraction for the crystal. For photon E = h = hc/, eV photon has wavelength of Å. XRD is a well-known technique to study bulk.

Tuning the energy of GISAXS and GIWAXS in the soft X-ray regime and in time-of flight GISANS allows the tailoring of contrast conditions and thereby the probing of more complex morphologies.

In addition, recent progress in software packages, useful for data analysis for advanced grazing-incidence techniques, is discussed. Round 1. Reviewer 1 Report. Dear Editor, I have reviewed the manuscript “Time resolved polarised grazing incidence neutron scattering from composite materials” by Max Wolff, Apurve Saini, David Simonne, Franz Adlmann and Andrew by: 1.

Tailoring the polymer–metal interface is crucial for advanced material design. Vacuum deposition methods for metal layer coating are widely used in industry and research. They allow for installing a variety of nanostructures, often making use of the selective interaction of the metal atoms with the underlying polymer thin film.

The polymer thin film may eventually be nanostructured, too, in Cited by:   Abstract: We present the characterization of Mg-Co-Zr tri-layer stacks by using x-ray fluorescence induced by x-ray standing waves, both in the grazing incidence (GI) and grazing exit (GE) modes.

The introduction of a slit in the direction of the detector improves the angular resolution by a factor 2 and significantly the sensitivity of the technique for the chemical characterization of the.

Integrated Optomechanical Analysis of a Lens Assembly Double Gauss Lens Assembly Steady-state thermal analysis Thermo-elastic analysis Stress birefringence analysis Thermo-optic analysis Optical performance versus thermal loading.

When monocultures of grass and clover are offered as a free choice in area ratio, animal performance is no different than from a clover monoculture alone. Thus, all of the feeding value benefits of clover are available when only of the grazing area is sown to clover.

The TA08 roadmap addresses technologies that are primarily of interest for missions sponsored by NASA’s Science Mission Directorate.

They are directly relevant to space research in Earth science, heliophysics, planetary science, and astrophysics; and many areas also have potential applications for. This book gathers selected and expanded contributions presented at the 5th Symposium on Space Optical Instruments and Applications, which was held in Beijing, China, on September 5–7, This conference series is organized by the Sino-Holland Space Optical Instruments Laboratory, a cooperative platform between China and the Netherlands.SUMER (normal incidence spectrographs with toroidals classical gratings) provides a stigmatic imaging employing a slit, while CDS cannot provides stigmatic imaging because it is used in grazing incidence and thus, the use of a pinhole is required for this instrument [1].

An almost at focal sur.The one-meter focal length Model / is a grazing incidence monochromator built in the Rowland circle configuration. It is a compact and versatile instrument useful from one to nanometers and best for wavelengths shorter than nm (greater than 12 eV).

Grazing angles improve reflective efficiency.