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| Paper: |
Optical Properties of Cosmic Dust Analogs |
| Volume: |
196, Thermal Emission Spectroscopy and Analysis of Dust, Disks, and Regoliths |
| Page: |
253 |
| Authors: |
Henning, Thomas; Mutschke, Harald |
| Abstract: |
Micron- and nanometer-sized solid particles play an important role in the evolutionary cycle of stars and interstellar matter. The optical properties of cosmic grains determine the interaction of the radiation field with this kind of material, thereby influencing the temperature and spectral appearance of dusty regions and the radiation pressure exerted on dusty gas. The relevant optical data for interstellar, circumstellar, and protoplanetary grains can be obtained by laboratory measurements on material collected in situ in the solar system or by measurements on cosmic dust analogs. In this review, we will concentrate on the production, analytic characterization, and optical data of cosmic dust analogs. We will provide the necessary basic knowledge how such data can be measured in the laboratory and how they have to be used for astrophysical applications. |
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