Abstract

By measuring the absorption of dilute aqueous solutions of KI with various known amounts of pure iodine added, the present writers have observed that the absorption coefficient at a wavelength of about 350 mμ is nearly proportional to the amount of iodine in the solution. Making use of this fact, the amount of excess iodine in additively V-colored KI crystal has been obtained. Taking into account that two iodine atoms are associated with a V₂ center, the oscillator strength of the absorption band at 365 mμ has been estimated to be 1.10±0.16 by the Smakula formula.

© 1957 Optical Society of America

Nature of Luminescent Centers in Alkali Halide and Zinc Sulfide Phosphors*

Ferd E. Williams
J. Opt. Soc. Am. 47(10) 869-876 (1957)

Absorption, Fluorescence, and Magnetic Properties of Gadolinium Chloride (GdCl₃·6H₂O)†

G. H. Dieke and L. Leopold
J. Opt. Soc. Am. 47(10) 944-954 (1957)

Optical Cross Sections from Intensity-Density Measurements*

Einar Hinnov and Hedwig Kohn
J. Opt. Soc. Am. 47(2) 156-162 (1957)

Refractive Indexes of Single Synthetic Zinc Sulfide and Cadmium Sulfide Crystals*

S. J. Czyzak, W. M. Baker, R. C. Crane, and J. B. Howe
J. Opt. Soc. Am. 47(3) 240-243 (1957)

Tertiary Interferometric Wavelength Standards from Measurements on Lines of the 2-0 Band of Carbon Monoxide and Derived Wavelength Standards for Some Lines of the 1-0 Band of Carbon Monoxide. The Velocity of Light Derived from a Band Spectrum Method. IV*

D. H. Rank, A. H. Guenther, G. D. Saksena, J. N. Shearer, and T. A. Wiggins
J. Opt. Soc. Am. 47(8) 686-689 (1957)