Abstract

Photographic exposure and density characteristics of SWR film (Eastman Kodak) and SC-5 film (Kodak Pathé) were investigated at several wavelengths for the spectral range 1200 Å to 3700 Å, and for different developers. A sodium salicylate phosphor-coated photomultiplier tube and a calibrated nitric oxide cell enabled absolute intensities to be determined. A manostat-regulated Schueler lamp and a mercury arc lamp were utilized as sources. Data leading to H and D curves with exposures given in photons/cm² or ergs/cm² were obtained. Information on speeds, gammas, and other photometric parameters is presented.

© 1965 Optical Society of America

An Echelle Spectrograph for Middle Ultraviolet Solar Spectroscopy from Rockets

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Thin Films and Their Uses for the Extreme Ultraviolet

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Photographic Sensitivity Measurements in the Vacuum Ultraviolet

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Effect of Ultraviolet Irradiation on the Optical Properties of Silicon Oxide Films

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