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The Simons Observatory: Detector Polarization Angle Calibration using Sparse Wire Grid with Initial Data Sets of the Small Aperture Telescope
Hironobu Nakata, Shunsuke Adachi, Kyohei Yamada +22
Improved measurements of -modes in the cosmic microwave background can be obtained through accurate calibration of the orientation of detector antennas as projected onto the sky…
Optimization procedure of the baffle of the GroundBIRD Telescope to mitigate stray light
Miku Tsujii, Tomonaga Tanaka, Alessandro Fasano +10
We presented the optimization procedures of the baffle mounted on the GroundBIRD telescope for measuring the polarization of the Cosmic Microwave Background~(CMB). The telescope em…
GroundBIRD Telescope: Systematics Modelization of MKID Arrays Response
Yonggil Jo, Alessandro Fasano, Eunil Won +8
Kinetic inductance detectors are widely used in millimeter- and submillimeter-wave astronomy, benefiting from their fast response and relative ease of fabrication. The GroundBIRD t…
Broadband, Dead-Time-Free Spectrometer Using RFSoC for WISP Dark Matter Searches
Hiroki Takeuchi, Junya Suzuki, Shunsuke Adachi +1
Ultra-light dark matter candidates, such as axions and dark photons, particularly within the mass range of eV to meV, have garnered significant research interest. However, the e…