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Grösse und ursache der doppelbrechung in Kundt'schen spiegeln und erzeugung von doppelbrechung in metallspiegeln durch zug ...Kämpf, Felix, January 1904 (has links)
Inaug.-diss.--Leipzig. / Vita.
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The refraction of gases at different temperatures and pressuresAyres, Hiram Donthitt, January 1900 (has links)
Thesis (Ph. D.)--Cornell University, 1913. / eContent provider-neutral record in process. Description based on print version record.
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The refraction of gases at different temperatures and pressuresAyres, Hiram Donthitt, January 1900 (has links)
Thesis (Ph. D.)--Cornell University, 1913. / eContent provider-neutral record in process. Description based on print version record.
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Grösse und ursache der doppelbrechung in Kundt'schen spiegeln und erzeugung von doppelbrechung in metallspiegeln durch zug ...Kämpf, Felix, January 1904 (has links)
Inaug.-diss.--Leipzig. / Vita.
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Over electrische dubbelbreking ...Tummers, J. H. January 1914 (has links)
Inaug.-Diss.--Utrecht.
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Über künstliche doppelbrechung und elasticität von gelatineplatten ...Leick, A. January 1903 (has links)
Inaug.-diss.--Greifswald. / Lebenslauf.
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Theorie der brechung monochromatischer strahlen verschiedener wellenlänge in zylinder-linsen ...Götz, Otto. January 1905 (has links)
Inaug.-diss.--Rostock.
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Experimentelle untersuchungen über lamellare doppelbrechung ...Friedel, Johannes, January 1905 (has links)
Inaug.-diss.--Leipzig. / Lebenslauf.
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The characterisation of colloids and macromolecules by linear magnetic birefringenceWilson, Stephen Ronald January 1997 (has links)
No description available.
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Dual Interferometer System for Measuring Index of RefractionGoodwin, Eric Peter January 2007 (has links)
The optical power of a lens is determined by the surface curvature and the refractive index, n. Knowledge of the index is required for accurate lens design models and for examining material variations from sample to sample. The refractive index of glass can be accurately measured using a prism spectrometer, but measuring the index of soft contact lens materials presents many challenges. These materials are non-rigid, thin, and must remain hydrated in a saline solution during testing. Clearly an alternative to a prism spectrometer must be used to accurately measure index.A Dual Interferometer System has been designed, built and characterized as a novel method for measuring the refractive index of transparent optical materials, including soft contact lens materials. The first interferometer is a Low Coherence Interferometer in a Twyman-Green configuration with a scanning reference mirror. The contact lens material sample is placed in a measurement cuvette, where it remains hydrated. By measuring the locations of the multiple optical interfaces, the physical thickness t of the material is measured. A new algorithm has been developed for processing the low coherence signals obtained from the reflection at each optical interface.The second interferometer is a Mach-Zehnder interferometer with a tunable HeNe laser light source. This interferometer measures the optical path length (OPL) of the test sample in the cuvette in transmission as a function of five wavelengths in the visible spectrum. This is done using phase-shifting interferometry. Multiple thickness regions are used to solve 2π phase ambiguities in the OPL.The outputs of the two interferometers are combined to determine the refractive index as a function of wavelength: n(λ) = OPL(λ)/t. Since both t and OPL are measured using a detector array, n is measured at hundreds of thousands of data points. A measurement accuracy of 0.0001 in refractive index is achieved with this new instrument, which is verified using custom glass calibration samples.
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