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Monday, July 20, 2020 | History

2 edition of Radiometric standards in the vacuum ultraviolet found in the catalog.

Radiometric standards in the vacuum ultraviolet

Jules Z Klose

Radiometric standards in the vacuum ultraviolet

by Jules Z Klose

  • 61 Want to read
  • 32 Currently reading

Published by U.S. Dept. of Commerce, National Bureau of Standards in Gaithersburg, Md .
Written in English

    Subjects:
  • Radiation -- Measurement -- Standards -- United States,
  • Vacuum ultraviolet spectroscopy -- Standards -- United States

  • Edition Notes

    StatementJules Z. Klose, J. Mervin Bridges, William R. Ott
    SeriesNBS special publication -- 250-3, NBS measurement services
    ContributionsBridges, J. Mervin, Ott, W. R., United States. National Bureau of Standards
    The Physical Object
    Pagination1 v. :
    ID Numbers
    Open LibraryOL13612007M

    Read chapter Appendix E: Acronyms and Abbreviations: An Assessment of the National Institute of Standards and Technology Measurement and Standards Labora Login Register Cart Help. Visit to get more information about this book, to buy it in print, or to download it as a free PDF. vacuum ultraviolet. WDM—. Full text of "NBS calibration services users guide " See other formats.

    Ultraviolet (UV) is electromagnetic radiation with a wavelength from 10 nm to nm, shorter than that of visible light but longer than radiation is present in sunlight constituting about 10% of the total light output of the Sun. It is also produced by electric arcs and specialized lights, such as mercury-vapor lamps, tanning lamps, and black lights. @article{osti_, title = {Vacuum-compatible standard diffuse source, manufacture and calibration}, author = {Byrd, D A and Atkins, W H and Bender, S C and Christensen, R W and Michaud, F D}, abstractNote = {Los Alamos National Laboratories has completed the design, manufacture and calibration of a vacuum-compatible, tungsten lamp, integrated sphere.

    Chemical Information Sources/Wilson and Wilson's Comprehensive Analytical Chemistry From Wikibooks, open books for an open world.   Abstract. This chapter deals with basic features of thermal light sources exploited for radiometric applications in the infrared, visible, and near UV spectral range λ> calculation techniques of spectral radiant power and spectral photon flux in different units are also considered for the case of tungsten ribbon filament strip : A. M. Pravilov.


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Radiometric standards in the vacuum ultraviolet by Jules Z Klose Download PDF EPUB FB2

Additional Physical Format: Online version: Klose, Jules Z. Radiometric standards in the vacuum ultraviolet. (OCoLC) Material Type: Government publication, National government publication. Additional Physical Format: Microfiche version: Klose, Jules Z.

Radiometric standards in the vacuum ultraviolet. (OCoLC) Material Type: Document, Government publication, National government publication, Internet resource. Full text of "Radiometric calibrations of portable sources in the vacuum ultraviolet" See other formats Vol Number I, January-February Journal of Research of the National Bureau of Standards Radiometric Calibrations of Portable Sources in the Vacuum Ultraviolet Volume 93 Number 1 January-February Jules Z.

Klose, J. Mervin Bridges, and William R. Ott National Bureau of. NBS Measurement Services: Radiometric Standards in the Vacuum Ultraviolet | Jules Z. Klose, J. Mervin Bridges, William R. Ott | download | B–OK. Download books for free. Find books. Ultraviolet (UV) is electromagnetic radiation with wavelength from 10 nm (with a corresponding frequency of approximately 30 PHz) to nm ( THz), shorter than that of visible light but longer than radiation is present in sunlight, and constitutes about 10% of the total electromagnetic radiation output from the is also produced by electric arcs and specialized lights, such.

Emission lines from metal-rare gas hollow cathode sources are used as radiant intensity standards, and operation in the vacuum ultraviolet is possible [28, 29]. The argon mini-arc is a secondary standard that has a line-free continuum between and nm [30].

D R Heath BSc PhD CPhys MInstP, in Telecommunications Engineer's Reference Book, Radiometry and photometry. Radiometry is the science and technology of the measurement of radiation from all wavelengths within the optical spectrum.

The basic unit of power in radiometry is the watt (W). Photometry is concerned only with the measurement of light detected by the eye, i.e.

that radiation. The vacuum ultraviolet radiation from N⁺- and O⁺-electron recombination in high-temperature air / (Washington, D.C.: National Aeronautics and Space Administration ; Springfield, Va.: For sale by the Clearinghouse for Federal Scientific and Technical Information, []), by Gerhard E.

Hahne and Ames Research Center (page images at. short wavelength (ultraviolet) limit of radiometric coverage is about nm, approximately the shortest wavelength that our atmosphere will transmit.

The longest wavelength (infrared) treated in this book is about μm. This wavelength range includes 99% of the energy (95% of the photons) from a thermal radiator at 0 C ( K).File Size: KB. The observations provide vacuum-ultraviolet (VUV) radiometry of the Sun in many emission lines and continua of atoms and ions with relative standard uncertainties of 15 % (detector A) and 20 %.

On the basis of a high-current hollow-cathode discharge we have developed two transfer source standards suitable for the radiometric calibration of vacuum ultraviolet (VUV) telescopes.

Light Measurement Handbook ' by Alex Ryer, International Light Inc. Visible Light. The lumen (lm) is the photometric equivalent of the watt, weighted to match the eye response of the “standard observer”.

Yellowish-green light receives the greatest weight because it stimulates the eye more than blue or red light of equal radiometric power:File Size: 2MB.

@article{osti_, title = {Note: Hollow cathode lamp with integral, high optical efficiency isolation valve: A modular vacuum ultraviolet source}, author = {Sloan Roberts, F.

and Anderson, Scott L.}, abstractNote = {The design and operating conditions of a hollow cathode discharge lamp for the generation of vacuum ultraviolet radiation, suitable for ultrahigh vacuum (UHV) application.

Originally published as two volumes in the serial "Experimental Methods in the Physical Sciences," Vacuum Ultraviolet Spectroscopy combines in one paperback volume information on the many advances in vacuum ultraviolet (VUV) research.

In addition, the book provides students and researchers with concise reviews of the important aspects of. Donald F. Heath. Retired. SPIE Involvement: Author Spectral calibration, Diffusers, Transmittance, Mie scattering, Vacuum ultraviolet.

Read Abstract + DOWNLOAD PDF SAVE TO MY LIBRARY + Proceedings Article | 27 September Passive A-band Wind Sounder (PAWS) for measuring tropospheric wind velocity profile. Radiometric Standards. High-temperature blackbody sources for precision radiometry.

Implications of measured differences in the spectroradiometric sensitivity of SBUV/2 instruments in air and vacuum on long-term measurements of stratospheric ozone and solar irradiance variations. Solar ultraviolet []. Very hot objects emit UV radiation (see Black-body radiation).The Sun emits ultraviolet radiation at all wavelengths, including the extreme ultraviolet where it crosses into X-rays at 10 nm.

Extremely hot stars emit proportionally more UV radiation than the Sun. Sunlight in space at the top of Earth's atmosphere is composed of about 50% infrared light, 40% visible light.

At the National Institute of Standards and Technology, ACR-based measurements are currently used as standards from the infrared and into the vacuum ultraviolet, however, no radiometric facilities Occupation: Physicts at NIST.

Light or visible light is electromagnetic radiation within the portion of the electromagnetic spectrum that can be perceived by the human eye. Visible light is usually defined as having wavelengths in the range of – nanometers (nm), or × 10 −7 to × 10 −7 m, between the infrared (with longer wavelengths) and the ultraviolet (with shorter wavelengths).

The electromagnetic spectrum is the range of frequencies (the spectrum) of electromagnetic radiation and their respective wavelengths and photon energies. The electromagnetic spectrum covers electromagnetic waves with frequencies ranging from below one hertz to above 10 25 hertz, corresponding to wavelengths from thousands of kilometers down to a fraction of the size of an atomic.

Here is called the maximum luminous quantity converts radiance from energy units (Watts or Joules per second) to the visual unit of lumens (abbreviated lm). The numerical value of traces back to the idea of the visual brightness of a "standard candle." The modern definition of a lumen is that the surface of melting platinum (at a temperature of K) emits luminance of.Suggested Citation:"5 Physics Laboratory." National Research Council.

An Assessment of the National Institute of Standards and Technology Programs Fiscal Year Washington, DC: The National Academies Press. doi: /Danzmann K, Günther M, Fischer J (plus two authors) () High current hollow cathode as a radiometric transfer standard source for the extreme vacuum ultraviolet.

Appl .