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Showing 2021 · astro-ph.IMShow all
3 papers · 2 filters
astro-ph.IM2021★ 1 cited
A Large Diameter Millimeter-Wave Low-Pass Filter Made of Alumina with Laser Ablated Anti-Reflection Coating
Ryota Takaku, Qi Wen, Scott Cray +14
We fabricated a 302 mm diameter low-pass filter made of alumina that has an anti-reflection coating (ARC) made with laser-ablated sub-wavelength structures (SWS). The filter has be…
astro-ph.IM2021
Equatorial Platform Based on Planar Linkage
Daniel J Matthews
A novel equatorial platform is described. While the invention lacks the compactness some desire in an equatorial platform, it holds promise of high precision, large payload weight…
astro-ph.IM2021★ 233 cited
LIGO Detector Characterization in the Second and Third Observing Runs
D. Davis, J. S. Areeda, B. K. Berger +284
The characterization of the Advanced LIGO detectors in the second and third observing runs has increased the sensitivity of the instruments, allowing for a higher number of detecta…