DOE OSTI · 2376224
Cryogenic optical beam steering for superconducting device calibration
Abstract
We have developed a calibration system based on a micro-electromechanical systems (MEMS) mirror that is capable of delivering an optical beam over a wavelength range of 180 -- 2000 nm (0.62 -- 6.89 eV) in a sub-Kelvin environment. This portable, integrated system can steer the beam over a $\sim$3 cm $\times$ 3 cm area on the surface of any sensor with a precision of $\sim$100 $μ$m, enabling characterization of device response as a function of position. This fills a critical need in the landscape of calibration tools for sub-Kelvin devices, including those used for dark matter detection and quantum computing. These communities have a shared goal of understanding the impact of ionizing radiation on device performance, which can be pursued with our system. This paper describes the design of the first-generation calibration system and the results from successfully testing its performance at room temperature and 20 mK.
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Stifter, Kelly [Fermi National Accelerator Laboratory, Batavia, Illinois, United States], Magoon, Hannah [Fermi National Accelerator Laboratory, Batavia, Illinois, United States], Anderson, Adam J. [Fermi National Accelerator Laboratory, Batavia, Illinois, United States], Temples, Dylan J. [Fermi National Accelerator Laboratory, Batavia, Illinois, United States], Kurinsky, Noah A. [Fermi National Accelerator Laboratory, Batavia, Illinois, United States], Stoughton, Chris [Fermi National Accelerator Laboratory, Batavia, Illinois, United States], Hernandez, Israel [Fermi National Accelerator Laboratory, Batavia, Illinois, United States], Nuñez, Anthony [SLAC National Accelerator Laboratory, Menlo Park, California, United States], Anyang, Kester [Fermi National Accelerator Laboratory, Batavia, Illinois, United States], Linehan, Ryan [Fermi National Accelerator Laboratory, Batavia, Illinois, United States], Young, Matthew R. [Fermi National Accelerator Laboratory, Batavia, Illinois, United States], Barry, Peter [Cardiff University, School of Physics and Astronomy, Cardiff, United Kingdom], Baxter, Daniel [Fermi National Accelerator Laboratory, Batavia, Illinois, United States], Bowring, Daniel [Fermi National Accelerator Laboratory, Batavia, Illinois, United States], Cancelo, Gustavo [Fermi National Accelerator Laboratory, Batavia, Illinois, United States], Chou, Aaron [Fermi National Accelerator Laboratory, Batavia, Illinois, United States], Dibert, Karia R. [Fermi National Accelerator Laboratory, Batavia, Illinois, United States], Figueroa-Feliciano, Enectali [Fermi National Accelerator Laboratory, Batavia, Illinois, United States], Hsu, Lauren [Fermi National Accelerator Laboratory, Batavia, Illinois, United States], Khatiwada, Rakshya [Fermi National Accelerator Laboratory, Batavia, Illinois, United States], Mork, Simon D. [Fermi National Accelerator Laboratory, Batavia, Illinois, United States], Stefanazzi, Leandro [Fermi National Accelerator Laboratory, Batavia, Illinois, United States], Tabassum, Noshin [SLAC National Accelerator Laboratory, Menlo Park, California, United States], Uemura, Sho [Fermi National Accelerator Laboratory, Batavia, Illinois, United States], Young, Betty A. [Santa Clara University, Department of Physics, Santa Clara, California, United States]. 2025-06-12. Cryogenic optical beam steering for superconducting device calibration. https://doi.org/10.1117/1.jom.5.2.024503
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