Zobrazeno 1 - 10 of 23 pro vyhledávání: '"E. G. Joki"'
1
Lacquer polishing of x-ray optics
Autor: W. J. Brookover, R. C. Catura, E. G. Joki, D. T. Roethig
Publikováno v: Applied optics. 26(8)
Techniques for polishing figured x-ray optics by a lacquer-coating process are described. This acrylic lacquer coating has been applied with an optical quality of an eighth wave in red light and very effectively covers surface roughness with spatial
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::17bf82706ce9fffdb0eb953d27a800b0
https://pubmed.ncbi.nlm.nih.gov/20454361
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2
The soft X-ray polychromator for the Solar Maximum Mission
Autor: P. H. Sheather, J. A. Bowles, J. L. Culhane, John Leibacher, B. J. Kent, P. R. Guttridge, M. Finch, J. G. Firth, E. G. Joki, C. W. Gilbreth, Chris Rapley, R. F. Turner, T. J. Patrick, J. P. Stark, Loren W. Acton, R. D. Bentley, J. C. Sherman, L. A. Springer, R. A. Nobles, A. H. Gabriel, C. J. Wolfson, B. B. Jones, K. J. H. Phillips, R. W. Hayes
Publikováno v: Solar Physics. 65:53-71
The XRP was designed to measure the following temporal and spatial properties of the active and flaring Sun: electron temperature, departures from steady state, ion kinetic temperatures, and electron density. The Bent Crystal Spectrometer (BCS) is ca
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1fe785768563f87313a205ae27640678
https://doi.org/10.1007/bf00151384
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3
Bent crystal spectrometer for solar x‐ray spectroscopy
Autor: J. L. Culhane, E. G. Joki, L. W. Acton, R. C. Catura, Chris Rapley, J. C. Bakke
Publikováno v: Review of Scientific Instruments. 48:1123-1130
A bent crystal Bragg spectrometer is described which provides continuous and simultaneous coverage for all x‐ray wavelengths within its spectral range. This instrument provides high spectral resolution but involves no precision crystal rocking or p
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2ee57ce0af3ebdcd01ff4705ffbd970f
https://doi.org/10.1063/1.1135211
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5
Satellite measurements of auroral ultraviolet and 3914-A radiation
Autor: E. G. Joki, J. E. Evans
Publikováno v: Journal of Geophysical Research. 74:4677-4686
Satellite measurements of auroral ultraviolet and 3914-A radiation were made November 9–11, 1965, as part of a coordinated program of luminosity, particle precipitation, and ion and electron number density measurements. Auroral ultraviolet radiatio
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::217281cef583314d138d0c1b4ae62f7e
https://doi.org/10.1029/ja074i019p04677
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6
Simultaneous measurements of electron content and charged-particle precipitation in a region of auroral activity
Autor: E. G. Joki, C. R. Moe, J. L. Hook, J. E. Evans, J. N. Bradbury
Publikováno v: Journal of Geophysical Research. 73:2363-2370
Simultaneous measurements of charged-particle precipitation and ionospheric electron content were made as part of a coordinated auroral-zone experiment utilizing a low-altitude polar-orbiting satellite, two ground stations, and an instrumented B-17 a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::da58d2751bb279da5b6c899353986f94
https://doi.org/10.1029/ja073i007p02363
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8
Demand‐type gas supply system for rocket borne thin‐window proportional counters
Autor: R. Caravalho, R. C. Catura, L. W. Acton, E. G. Joki
Publikováno v: Review of Scientific Instruments. 48:1504-1506
A simple closed loop control system has been developed to maintain the gas pressure in thin‐window proportional counters during rocket flights. This system permits convenient external control of detector pressure and system flushing rate. The contr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e445583c1173103351a9877d5a2177ae
https://doi.org/10.1063/1.1134896
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10
Calculated Performance Of A Wolter Type I X-Ray Telescope Coated By Multilayers
Autor: W. A. Brown, R. A. Nobles, R. C. Catura, E. G. Joki
Publikováno v: SPIE Proceedings.
Deposition of multilayered diffraction coatings on the reflecting surfaces of a Wolter type I X-ray telescope offers the potential of using Bragg reflection to achieve enhanced effective area in selected high energy bandpasses. The structure of a gol
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dfe55f6f10a9a8dbcf61b60a41e5ef81
https://doi.org/10.1117/12.933149
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