IEICE Transactions on Electronics
Online ISSN : 1745-1353
Print ISSN : 0916-8524
Special Section on Leading-Edge Applications and Fundamentals of Superconducting Sensors and Detectors
Development of Microwave Kinetic Inductance Detector for Cosmological Observations
Kenichi KARATSU, Satoru MIMA, Shugo OGURI, Jihoon CHOI, R. M. THUSHARA DAMAYANTHI, Agnes DOMINJON, Noboru FURUKAWA, Hirokazu ISHINO, Hikaru ISHITSUKA, Atsuko KIBAYASHI, Yoshiaki KIBE, Hitoshi KIUCHI, Kensuke KOGA, Masato NARUSE, Tom NITTA, Takashi NOGUCHI, Takashi OKADA, Chiko OTANI, Shigeyuki SEKIGUCHI, Yutaro SEKIMOTO, Masakazu SEKINE, Shibo SHU, Osamu TAJIMA, Kenta TAKAHASHI, Nozomu TOMITA, Hiroki WATANABE, Mitsuhiro YOSHIDA
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Keywords: MKID, millimeter-wave camera, CMB B-mode polarization
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2015 Volume E98.C Issue 3 Pages 207-218

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Abstract

A precise measurement of Cosmic Microwave Background (CMB) provides us rich information about the universe. In particular, its asymmetric polarization patterns, B-modes, are smoking gun signature of inflationary universe. Magnitude of the B-modes is order of 10 nK. Its measurement requires a high sensitive millimeter-wave telescope with a large number of superconducting detectors on its focal plane. Microwave Kinetic Inductance Detector (MKID) is appropriate detector for this purpose. MKID camera has been developed in cooperation of National Astronomical Observatory of Japan (NAOJ), Institute of Physical and Chemical Research (RIKEN), High Energy Accelerator Research Organization (KEK), and Okayama University. Our developments of MKID include: fabrication of high-quality superconducting film; optical components for a camera use; and readout electronics. For performance evaluation of total integrated system of our MKID camera, a calibration system was also developed. The system was incorporated in a 0.1 K dilution refrigerator with modulated polarization source. These developed technologies are applicable to other types of detectors.

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© 2015 The Institute of Electronics, Information and Communication Engineers
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