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Cosmology Large Angular Scale Surveyor (CLASS): 90 GHz Telescope Pointing, Beam Profile, Window Function, and Polarization Performance
Rahul Datta, Michael K. Brewer, Jullianna Denes Couto +31
The Cosmology Large Angular Scale Surveyor (CLASS) is a telescope array that observes the cosmic microwave background (CMB) over ~75% of the sky from the Atacama Desert, Chile, at…
On-sky performance of new 90 GHz detectors for the Cosmology Large Angular Scale Surveyor (CLASS)
Carolina Núñez, John W. Appel, Michael K. Brewer +18
The Cosmology Large Angular Scale Surveyor (CLASS) is a polarization-sensitive telescope array located at an altitude of 5,200 m in the Chilean Atacama Desert and designed to measu…
Design and characterization of new 90 GHz detectors for the Cosmology Large Angular Scale Surveyor (CLASS)
Carolina Núñez, John W. Appel, Sarah Marie Bruno +20
The Cosmology Large Angular Scale Surveyor (CLASS) is a polarization-sensitive telescope array located at an altitude of 5,200 m in the Chilean Atacama Desert. CLASS is designed to…
Long-Timescale Stability in CMB Observations at Multiple Frequencies using Front-End Polarization Modulation
Joseph Cleary, Rahul Datta, John W. Appel +17
The Cosmology Large Angular Scale Surveyor (CLASS) is a telescope array observing the Cosmic Microwave Background (CMB) at frequency bands centered near 40, 90, 150, and 220 GHz. C…
Characterization of aerogel scattering filters for astronomical telescopes
Alyssa Barlis, Stefan Arseneau, Charles L. Bennett +8
We have developed a suite of novel infrared-blocking filters made by embedding scattering particles in a polymer aerogel substrate. Our developments allow us to tune the spectral p…
Calibration of Transition-edge Sensor (TES) Bolometer Arrays with Application to CLASS
John W. Appel, Charles L. Bennett, Michael K. Brewer +24
The current and future cosmic microwave background (CMB) experiments fielding kilo-pixel arrays of transition-edge sensor (TES) bolometers require accurate and robust gain calibrat…