What is it about?
We have successfully fabricated cooled bandpass and edge filters with high durability for operation across the 15-30 μm wavelength region. In this paper we describe the rationale for selection of optical materials and properties of fabricated thin-film coatings for this region, together with FTIR spectral measurements and assessment of environmental durability.
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Why is it important?
This region contains spectral features emitted by many astrophysical phenomena and objects fundamental to circumstellar and planetary formation theories.
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This page is a summary of: Cooled optical filters forQ-band infrared astronomy (15-40 μm), July 2016, SPIE,
DOI: 10.1117/12.2231669.
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