Large Arrays of TES X-ray Microcalorimeters for Dark Baryon Search

被引：8

作者：

Ezoe, Yuichiro ^{[1
]}

Yoshitake, Hiroshi ^{[2
]}

Ishikawa, Kumi ^{[1
]}

Ishisaki, Yoshitaka ^{[1
]}

Akamatsu, Hiroki ^{[1
]}

Ohashi, Takaya ^{[1
]}

Yamasaki, Noriko Y. ^{[2
]}

Mitsuda, Kazuhisa ^{[2
]}

Takano, Takayuki ^{[3
]}

Maeda, Ryutaro ^{[3
]}

机构：

[1] Tokyo Metropolitan Univ, 1-1 Minami Osawa Hachioji, Tokyo 1920397, Japan

[2] Japan Aerosp Explorat Agcy, Inst Space & Astronaut Sci, \, Sagamihara, Kanagawa 2298510, Japan

[3] Natl Inst Adv Ind Sci & Technol, Tsukuba 3058564, Japan

来源：

LOW TEMPERATURE DETECTORS LTD 13 | 2009年 / 1185卷

关键词：

X-ray microcalorimeter; TES; array; TRANSITION-EDGE SENSORS;

D O I：

10.1063/1.3292416

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Arrays of transition edge sensor (TES) X-ray microcalorimeters can provide a high energy resolution and a large area necessary for future dark baryon search missions such as DIOS (Diffuse Intergalactic Oxygen Surveyor). In the current design, the energy resolution of 2 eV at 0.3-1.5 keV and the geometrical area of 1 cm(2) are required for DIOS. As an R&D study, we fabricated a 16x16 Ti/Au bilayer TES array without an absorber, and achieved the energy resolution of 4.4 +/- 0.2 eV at 5.9 keV. Considering the recent experimental results on so-called excess noise, we investigated a detailed design of the TES array for DIOS. We concluded that we need a at least 20x20 pixel array consisting of 250 mu m-square TESs and 500 gm-square mushroom-type Bi/Au absorbers. We discussed technical issues to manufacture such a large format array.

引用

页码：60 / +

页数：2

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