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Infrared reflection spectra of forsterite crystal

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Title: Infrared reflection spectra of forsterite crystal
Authors: Sogawa, H. Browse this author
Koike, C. Browse this author
Chihara, H. Browse this author
Suto, H. Browse this author
Tachibana, S. Browse this author
Tsuchiyama, A. Browse this author
Kozasa, T. Browse this author →KAKEN DB
Keywords: methods: laboratory
ISM: dust, extinction
stars: circumstellar matter
ISM: lines and bands
Issue Date: 3-May-2006
Publisher: EDP Sciences
Journal Title: Astronomy and Astrophysics
Volume: 451
Issue: 1
Start Page: 357
End Page: 361
Publisher DOI: 10.1051/0004-6361:20041538
Abstract: Polarized infrared reflectance of large single crystals of forsterite was measured for each crystal axis at frequencies between 5000 cm^[−1] and 100 cm^[−1] with a resolution of 1 cm^[−1]. The reflectance spectra were analyzed based on classical dispersion theory. A set of oscillator parameters for crystalline axes of forsterite was obtained. Those parameters are used to derive optical constants of forsterite, which are important for analyses of observed spectra of astronomical objects and laboratory spectra of particle samples. Calculations of absorption for small particles using the bulk optical constants are compared with mid-infrared and far-infrared absorption spectra measured in the laboratory.
Rights: © ESO 2006
Type: article
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 小笹 隆司

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