On definition and measurement of extinction cross section |
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| Authors: | Michael I Mishchenko Matthew J Berg Christopher M Sorensen Cornelis VM van der Mee |
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| Institution: | 1. NASA Goddard Institute for Space Studies, 2880 Broadway, New York, NY 10025, USA;2. Department of Physics, Kansas State University, Manhattan, KS 66506-2601, USA;3. Dipartimento di Matematica e Informatica, Università di Cagliari, Viale Merello 92, 09123 Cagliari, Italy |
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| Abstract: | Following the recent analyses of extinction by Berg et al. J Opt Soc Am A 2008;25:1504–1513; J Opt Soc. Am A 2008;25:1514–1520], we show that although it is possible to define and measure the extinction cross section for a single particle using a detector of light facing the incident beam, this requires certain theoretical assumptions and experimental precautions. |
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