Prime-Cam: A first-light instrument for the CCAT-prime telescope
Eve M. Vavagiakis, Zeeshan Ahmed, Aamir Ali, Kaustuv Basu, Nicholas, Battaglia, Frank Bertoldi, Richard Bond, Ricardo Bustos, Scott C. Chapman,, Dongwoo Chung, Gabriele Coppi, Nicholas F. Cothard, Simon Dicker, Cody J., Duell, Shannon M. Duff, Jens Erler, Michel Fich

TL;DR
Prime-Cam is a versatile, first-light instrument for the CCAT-prime telescope designed to perform wide-field, multi-frequency sub-mm and mm observations for cosmology, galaxy evolution, and foreground characterization.
Contribution
It introduces a novel instrument design with multiple optimized modules and broad frequency coverage for the CCAT-prime telescope, enabling diverse scientific measurements.
Findings
Design of Prime-Cam with seven instrument modules in a cryostat.
Capability to perform broadband dual-polarization and narrow-band spectroscopic imaging.
Potential to significantly improve foreground removal and cosmological measurements.
Abstract
CCAT-prime will be a 6-meter aperture telescope operating from sub-mm to mm wavelengths, located at 5600 meters elevation on Cerro Chajnantor in the Atacama Desert in Chile. Its novel crossed-Dragone optical design will deliver a high throughput, wide field of view capable of illuminating much larger arrays of sub-mm and mm detectors than can existing telescopes. We present an overview of the motivation and design of Prime-Cam, a first-light instrument for CCAT-prime. Prime-Cam will house seven instrument modules in a 1.8 meter diameter cryostat, cooled by a dilution refrigerator. The optical elements will consist of silicon lenses, and the instrument modules can be individually optimized for particular science goals. The current design enables both broadband, dual-polarization measurements and narrow-band, Fabry-Perot spectroscopic imaging using multichroic transition-edge sensor (TES)…
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