Journal ArticleDOI
Chromatic Properties of Si02-BaO-TiO2-K2O Series Radial Gradient-Index Material
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Chromatic properties of SiO2-BaO-TiO 2-K2O series radial gradient-index material in the range of visible wavelengths are presented and the possibility of apochromatic microscope objectives is considered as discussed by the authors.Abstract:
Chromatic properties of SiO2-BaO-TiO2-K2O series radial gradient-index material in the range of visible wavelengths are presented and the possibility of apochromatic microscope objectives is considered.read more
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Hyperspectral Shack–Hartmann test
TL;DR: The Shack-Hartmann test bed was used to measure the chromatic focal shift (CFS) of a glass singlet lens and a glass achromatic lens, i.e., lenses representing the extrema of CFS magnitude in polymer elements to be found in endomicroscope systems.
References
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Journal ArticleDOI
Fundamental condition of glass formation
TL;DR: In this article, the bond strength of all M-O single-bond linkages in oxide glasses is calculated and tabulated here for the first time, and the transition is continuous, the division into glassformers, intermediates, and modifiers is arbitrary.
Journal ArticleDOI
Refractive index and spectral models for gradient-index materials.
TL;DR: Models which describe the refractive index and spectral variation of gradient-index materials and classes of gradient which exhibit little or no variation with wavelength are predicted are termed achromatic gradients.
Journal ArticleDOI
The Refractive Index of Silicate Glasses as a Function of Composition
TL;DR: In this article, it was shown that the refraction per gram atom of oxygen, defined by a formula of either the Gladstone-Dale, the Newton, or the Lorentz-Lorenz type, equals the sum of terms characteristic of the component “metallic” elements, each of these terms being proportional to the number of atoms of that element per oxygen.
Journal ArticleDOI
The Dispersion of Silicate Glasses as a Function of Composition. II
TL;DR: In this article, the volume per gram atom of oxygen in a well-annealed silicate glass is given quite accurately by the equation VO=k+bSi+cSiNSi+∑cMNM, where k is a very small constant characteristic of the annealing technique, NSi and NM are the numbers of Si or other “metal” atoms per atoms of oxygen, bSi and cSi are constants which are different for different ranges of NSi values, and cM are constants valid (insofar as can be determined from present data)
Journal ArticleDOI
Model for the chromatic properties of gradient-index glass.
TL;DR: A model has been developed which predicts the chromatic properties of gradient-index materials based on the composition of the glass which yields a gradient Abbe number and a gradient partial dispersion which can be used by the lens designer in the design of achromatic gradient- index lens systems.
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