Reader, J.
, Feldman, U.
and Brown, C.
(2008),
Measurement of Wavelengths With Phosphor Storage Image Plates at Grazing-Incidence, Applied Optics
(Accessed September 30, 2025)
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Measurement of Wavelengths With Phosphor Storage Image Plates at Grazing-Incidence
Published
Author(s)
, Uri Feldman, Charles Brown
Abstract
Measurements of wavelengths to high accuracy with a 10.7-m grazing-incidence spectrograph using phosphor storage image plates were carried out. The spectra were emitted by a Ne/Mg Penning discharge and by sliding spark discharges of Y and Mo. The spectra were recorded in the 150-450 range. We found that by using flexible steel plates to back the image plates on the focal surface of the concave grating and by using a scanner with rotary drum, the measurements with the image plates could achieve an accuracy of 0.003 , comparable to what is normally achieved with glass photographic plates.Citation
Applied Optics
Pub Type
Journals
Keywords
grazing-incidence spectrograph, image plates, penning discharge, wavelength measurements
Citation
Issues
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Created October 16, 2008