Scanning laser microscopy of an MgB2 superconducting sensor

被引：0

作者：

Arai, Kohei ^{[1
]}

Akita, Yukio ^{[1
]}

Yagi, Ikutaro ^{[1
]}

Yotsuya, Tsutomu ^{[2
,3
]}

Shimakage, Hisashi ^{[4
]}

Miki, Shigehito ^{[4
]}

Wang, Zhen ^{[3
,4
]}

Satoh, Kazuo ^{[3
,5
]}

Uno, Mayumi ^{[3
,5
]}

Ishida, Takekazu ^{[1
,3
]}

机构：

[1] Osaka Prefecture Univ, Dept Phys & Elect, Osaka 5998531, Japan

[2] Osaka Prefecture Univ, N2RC, Osaka 5998531, Japan

[3] Osaka Prefecture Univ, Inst Nanofabricat Res, Osaka 5998531, Japan

[4] NICT, Kansai Adv Res Ctr, Kobe, Hyogo 6512429, Japan

[5] Technol Res Inst Osaka Prefecture, Osaka 5941157, Japan

来源：

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 2010年 / 470卷

关键词：

MgB2; Neutron; Pulsed laser; Aspheric lens; Piezo actuator; NEUTRON DETECTOR;

D O I：

10.1016/j.physc.2010.01.030

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The MgB2 detector consists of a 200-nm-thick MgB2 thin-film meander line, a 300-nm-thick SiO protective layer, and 150-nm-thick Nb electrodes. We prepared a straight MgB2 stripline of width 3 mu m and length 100 mu m. To understand the position-dependent sensitivity of the MgB2 detector, a scanning pulsed laser spot can be achieved by the combination of the XYZ piezo-drive stages and an optical fiber with an aspheric focusing lens. The observed scanning XY image indicates that the improvement in sensor homogeneity is very important to improve the sensitivity of the MgB2 sensor as a neutron detector. (C) 2010 Published by Elsevier B.V.

引用

页码：S1023 / S1024

页数：2

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