A new laboratory for terahertz characterization of cosmic analog dusts
Perera, Thushara
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https://hdl.handle.net/2142/91498
Description
Title
A new laboratory for terahertz characterization of cosmic analog dusts
Author(s)
Perera, Thushara
Issue Date
2016-06-21
Keyword(s)
Astronomy
Abstract
Two efforts have been underway to enable the laboratory study of cosmic analogs dusts in the frequency range 60--2000 GHz. They are: (1) the construction of a novel compact Fourier Transform Spectrometer (FTS) design coupled to a dry 4-K cryostat which houses a cooled sample exchanger (filter wheel) and a bolometer. (2) The production of Mg- and Fe-rich silicate dusts using sol-gel methods
various tests to determine their physical and chemical properties
embedding of samples in LDPE pellets for insertion into the novel FTS. This presentation will focus on the current status of the apparatus and data from its first few months of use.
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