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Quantitative absorbance spectroscopy with unpolarized light: Part I. Physical and mathematical development

Sambridge, Malcolm; Fitz Gerald, John; Kovacs, Istvan; O'Neill, Hugh; Hermann, Joerg


A new approach to the use of spectroscopic absorbance measurements for anisotropic crystals allows results to be extracted using unpolarized light incident on random crystal orientations. The theory of light propagation in anisotropic absorbing crystals is developed from Maxwell's equations to devise an expression for the transmittance of linearly polarized light traveling in an arbitrary direction in weakly absorbing media. This theory predicts the distribution of transmittance and absorbance...[Show more]

CollectionsANU Research Publications
Date published: 2008
Type: Journal article
Source: American Mineralogist
DOI: 10.2138/am.2008.2657


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