Intensity Measurements in Vacuum Ultraviolet Region by Aromatic Phosphors
- 1 December 1967
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 6 (12), 1423-1426
- https://doi.org/10.1143/jjap.6.1423
Abstract
Intensities of radiation in the region 900–1700 A were measured with aromatic phosphors, 1,12-benzperylene (I), dihydrotetracene (II), perylene (III), tetrabenzperylene (IV) and tetrachlorpyrene (V), combined with 7696-type photomultiplier mounted at the exit slit of a Seya-type 0.5 metre vacuum monochromator. The (I)-film against irradiation was more stable than that of sodium salicylate (VI), even below 1300 A. The quantum yield of (I)-film was two times higher than that of (VI). The (II)-film was sensitive like to (VI), but was decomposed gradually under irradiation. Other three, III, IV, V, were inferior to sodium salicylate as photon detector.Keywords
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