Abstract

Chinese Antarctic Kunlun Observatory is planning to construct a 5-m THz telescope (DATE5) on Dome A, Antarctica. Therefore, a THz superconducting imaging array (TeSIA) is being proposed for DATE5 to serve its scientific goals. We test an 8×8 prototype Al microwave kinetic inductance detector (MKID) array for TeSIA in a 3He/4He dilution refrigerator. The resonance frequencies are designed evenly distributed in 4–5.575 GHz band with 25 MHz intervals. The responses of the MKIDs with different bath temperatures are measured and the Q factors are calculated. Detailed measurement results and analysis will be discussed.

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