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3 edition of The evaluation of a deformable diffraction grating for a stigmatic EUV spectroheliometer found in the catalog.

The evaluation of a deformable diffraction grating for a stigmatic EUV spectroheliometer

The evaluation of a deformable diffraction grating for a stigmatic EUV spectroheliometer

progress report for NASA grant NAGW-540 for the period 15 February to 15 August 1984

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Published by Center for Space Science and Astrophysics, Stanford University, National Aeronautics and Space Administration in Stanford, Calif, [Washington, D.C .
Written in English

    Subjects:
  • Astronomical spectroscopy.,
  • Diffraction.,
  • Gratings (spectra),
  • Heliometers.,
  • Image processing.

  • Edition Notes

    Microfiche. [Washington, D.C. : National Aeronautics and Space Administration], 1985. 1 microfiche.

    StatementJ. Gethyn Timothy, principal investigator.
    SeriesNASA-CR -- 174350., NASA contractor report -- NASA CR-174350.
    ContributionsStanford University. Center for Space Science and Astrophysics., United States. National Aeronautics and Space Administration.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL16157269M

    We describe the design of a high-resolution stigmatic extreme-ultraviolet (EUV) spectroheliometer, configured for flight on a Black Brant sounding rocket, which consists of . KEYWORDS: Diffraction, Telescopes, Sun, Imaging systems, Magnetism, Adaptive optics, Zoom lenses, Convection, Spatial resolution, Optical instrument design Read Abstract + This poster outlines the conceptual design of the Visible-light Broad-band Imager (VBI) instrument for the Advanced Technology Solar Telescope (ATST) as it follows from.

    A transmission diffraction grating was obtained with a nm Si 3 N 4 membrane supporting the Cr grating. The Si 3 N 4 membrane should be thin to avoid the strong absorption of EUV light. Download: Download high-res image (KB) Download: Download full-size image; Fig. 1. Fabrication procedure of the transmission diffraction by: One- and two-dimensional photo-imprinted diffraction gratings for manipulating terahertz waves Ioannis Chatzakis1*, Philippe Tassin1, Liang Luo1, Nian-Hai Shen1, Lei Zhang1, Jigang Wang 1, Thomas Koschny, and Costas M. Soukoulis1,2 1 Ames Laboratory—U.S. DOE and Department of Physics and Astronomy, Iowa State University, Ames, IA , USACited by:

      Imaging extreme ultraviolet spectrometer employing a single toroidal diffraction grating: the initial evaluation. Huber MC, Timothy JG, Morgan JS, Lemaitre G, Tondello G, Jannitti E, Scarin P. A high-efficiency extreme ultraviolet (EUV) imaging spectrometer has been constructed and by: Search the leading research in optics and photonics applied research from SPIE journals, conference proceedings and presentations, and eBooks.


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The evaluation of a deformable diffraction grating for a stigmatic EUV spectroheliometer Download PDF EPUB FB2

Alternatively, as shown in Figure 2b, the toroidal grating spectrograph can be combined with a Wolter type-I1 grazing- incidence telescope for astrophysical studies at wavelengths below A. ITI. GRATING FABRICATION In order to evaluate the performance characteristics of a toroidal grating at EUV.

The evaluation of a deformable diffraction grating for a stigmatic EUV spectroheliometer - NASA/ADS A high-efficiency, extreme ultraviolet (EUV) imaging spectrometer is constructed and tested.

The spectrometer employs a concave toroidal grating illuminated at normal incidence in a Rowland circle mounting and has only one reflecting : J. Timothy. The primary activities of the development program were the preparations for the detailed laboratory tests of the first two toroidal gratings, and the initial tests in the optical laboratory of the more complex elastically deformable substrate for the fabrication of aspheric gratings.

The evaluation of a deformable diffraction grating for a stigmatic EUV spectroheliometer - NASA/ADS A second toroidal replica grating was found to have an aspect ratio within 10% of the desire value. The aspect ratio of replica toroidal gratings Author: J.

Timothy. The evaluation of a deformable diffraction grating for a stigmatic EUV spectroheliometer: progress report. Get this from a library. The evaluation of a deformable diffraction grating for a stigmatic EUV spectroheliometer: progress report.

[United States. National Aeronautics and Space Administration.;]. The evaluation of a deformable diffraction grating for a stigmatic EUV spectroheliometer GET FREE ACCESS START FROM 7 DAYS UNTIL 30 DAYS FOR UNLIMITED BOOKS, ALL IN ONE PLACE.

SUBSCRIBE TO READ OR DOWNLOAD EBOOK FOR FREE. -nfl THE EVALUATION OF A DEFORMABLE DIFFRACTION GRATING FOR A STIGMATIC EUV SPECTROHELIOMETER Progress Report for NASA Grant NAGW for the period 1 December through 31 May (NASA-CRU) THE EVALUATION OF A N DEFOBMABLE DIFFR&CTION GBATING FOR A STIGMATIC EOV SPECTROHELIOHETEH.

The evaluation of a deformable diffraction grating for a stigmatic EUV spectroheliometer. By J. Timothy. Abstract. A second toroidal replica grating was found to have an aspect ratio within 10% of the desire : J. Timothy. The evaluation of a deformable diffraction grating for a stigmatic EUV spectroheliometer.

By J. Timothy. Abstract. Two crucial areas in the development of the high resolution EUV spectroheliometer are the elastically deformable toroidal diffraction grating and the open-structure imaging pulse counting detector system.

The optical Author: J. Timothy. Toroidal diffraction gratings were fabricated and tested by a new technique using an elastically deformable substrate.

The toroidal diffraction gratings was procured and tested to be used for the evaluation of the Multi-Anode Microchannel Array (MAMA) detector systems for the Solar Ultraviolet Measurements of Emitted Radiation (SUMER) and UV Coronagraph Spectrometer Author: J.

Gethyn Timothy, A. Walker, J. Morgan, M. Huber, G. Tondello. The development and test of a deformable diffraction grating for a stigmatic EUV spectroheliometer. the key to which lies in the smallest spatial scales that are unobservable with current EUV instruments.

Toroidal diffraction gratings were fabricated and tested by a new technique using an elastically deformable substrate. The toroidal. Get this from a library. The evaluation of a deformable diffraction grating for a stigmatic EUV spectroheliometer: progress report for NASA grant NAGW for the period 15 February to 15 August [J Gethyn Timothy; Stanford University.

Center for Space Science and Astrophysics.; United States. National Aeronautics and Space Administration.]. We describe the design of a high-resolution stigmatic extreme-ultraviolet (EUV) spectroheliometer, configured for flight on a Black Brant sounding rocket, which consists of a cm Gregory telescope coupled to a spectrometer employing a single toroidal diffraction grating in a normal-incidence Rowland circle mounting and an imaging pulse-counting Multi-Anode Author: J.

Gethyn Timothy, Thomas E. Berger, Jeffrey S. Morgan, Arthur B. Walker, Jagadish C. Bhattachary. Get this from a library. The evaluation of a deformable diffraction grating for a stigmatic EUV spectroheliometer: progress report for NASA grant NAGW for the period 15 August to 30 November [J Gethyn Timothy; Stanford University.

Center for Space Science and Astrophysics.; United States. National Aeronautics and Space Administration.]. THE EVALUATION OF A DEFORMABLE DIFFRACTION GRATING FOR A STIGMATIC EUV SPECTROHELIOMETER P ogress Report for NASA Grant NAGW for the period 15 August to 30 Noiember J.

Gethyn Timothy Principal Investigator Center for Space Science and Astrophysics Stanford University Stanford, California The stigmatic performance of conventionally ruled toroidal gratings used near normal incidence is explored in detail.

A single-grating spectrograph, particularly suitable for observing the dynamics of the solar corona in the –Å wavelength range, is described. The arrangement uses a line/mm grating with a horizontal radius of curvature of 2 μm that generates.

We describe the design of a high-resolution stigmatic extremeultraviolet (EUV) spectroheliometer, configured for flight on a Black Brant sounding rocket, which consists of a cm Gregory telescope coupled to a spectrometer employing a single toroidal diffraction grating in a normalincidence Rowland circle mounting and an imaging pulse-counting multianode Cited by: 1.

A high-efficiency extreme ultraviolet (EUV) imaging spectrometer has been constructed and tested. The spectrometer employs a concave toroidal grating illuminated at normal incidence in a Rowland circle mounting and has only one reflecting surface. The toroidal grating has been fabricated by a new technique employing an elastically deformable submaster grating which.

In book: Advanced Topics in Forensic DNA Typing: Interpretation, pp The evaluation of a deformable diffraction grating for a stigmatic EUV spectroheliometer. August J. J. Gethyn Timothy's research while affiliated with Tiverton and other places.

Overview. The development and test of a deformable diffraction grating for a stigmatic EUV spectroheliometer.J. S. Morgan. Giant Magellan The development and test of a deformable diffraction grating for a stigmatic EUV spectroheliometer A high-resolution stigmatic extreme ultraviolet.Get this from a library!

The development and test of a deformable diffraction grating for a stigmatic EUV spectroheliometer: final report for NASA grant NAGW (formerly NASA grant NAGW). [J Gethyn Timothy; United States. National Aeronautics and Space Administration.;].