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Optimization of Transition Edge Sensor Arrays for Cosmic Microwave Background Observations With the South Pole Telescope
- Ding, Junjia;
- Ade, PAR;
- Anderson, AJ;
- Avva, J;
- Ahmed, Z;
- Arnold, K;
- Austermann, JE;
- Bender, AN;
- Benson, BA;
- Bleem, LE;
- Byrum, K;
- Carlstrom, JE;
- Carter, FW;
- Chang, CL;
- Cho, HM;
- Cliche, JF;
- Cukierman, A;
- Czaplewski, D;
- Divan, R;
- de Haan, T;
- Dobbs, MA;
- Dutcher, D;
- Everett, W;
- Gilbert, A;
- Gannon, R;
- Guyser, R;
- Halverson, NW;
- Harrington, NL;
- Hattori, K;
- Henning, JW;
- Hilton, GC;
- Holzapfel, WL;
- Hubmayr, J;
- Huang, N;
- Irwin, KD;
- Jeong, O;
- Khaire, T;
- Kubik, D;
- Kuo, CL;
- Lee, AT;
- Leitch, EM;
- Meyer, SS;
- Miller, CS;
- Montgomery, J;
- Nadolski, A;
- Natoli, T;
- Nguyen, H;
- Novosad, V;
- Padin, S;
- Pan, Z;
- Pearson, J;
- Posada, CM;
- Rahlin, A;
- Reichardt, CL;
- Ruhl, JE;
- Saliwanchik, BR;
- Sayre, JT;
- Shariff, JA;
- Shirley, I;
- Shirokoff, E;
- Smecher, G;
- Sobrin, J;
- Stan, L;
- Stark, AA;
- Story, K;
- Suzuki, A;
- Tang, QY;
- Thakur, RB;
- Thompson, KL;
- Tucker, C;
- Vanderlinde, K;
- Vieira, JD;
- Wang, G;
- Whitehorn, N;
- Wu, WLK;
- Yefremenko, V;
- Yoon, KW
- et al.
Published Web Location
https://doi.org/10.1109/tasc.2016.2639378Abstract
In this paper, we describe the optimization of transition-edge-sensor (TES) detector arrays for the third-generation camera for the South Pole Telescope. The camera, which contains ~ 16 000 detectors, will make high-angular-resolution maps of the temperature and polarization of the cosmic microwave background. Our key results are scatter in the transition temperature of Ti/Au TESs is reduced by fabricating the TESs on a thin Ti(5 nm)/Au(5 nm) buffer layer and the thermal conductivity of the legs that support our detector islands is dominated by the SiOx dielectric in the microstrip transmission lines that run along the legs.
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