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Abstract:
A silicon pixel detector with fine pitch size of 19 μm×19 μm, developed based on SOI (silicon-on-insulator) technology, was tested under the illumination of infrared laser pulses. As an alternative method for particle beam tests, the laser pulses were tuned to very short duration and small transverse profile to simulate the tracks of MIPs (minimum ionization particles) in silicon. Hit cluster sizes were measured with focused laser pulses propagating through the SOI detector perpendicular to its surface and most of the induced charge was found to be collected inside the seed pixel. For the first time, the signal amplitude as a function of the applied bias voltage was measured for this SOI detector, deepening understanding of its depletion characteristics.
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[1] |
DU Ying-Shuai
, YUE Qian
, LIU Yi-Bao
, CHEN Qing-Hao
, LI Jin
, CHENG Jian-Ping
, KANG Ke-Jun
, LI Yuan-Jing
, LI Yu-Lan
, MA Hao
, XING Hao-Yang
, YU Xun-Zhen
, ZENG Zhi
. Characterization of large area photomultiplier ETL 9357FLB for liquid argon detector. Chinese Physics C,
2014, 38(7): 076003.
doi: 10.1088/1674-1137/38/7/076003
|
[2] |
LIU Chang-Long
, LU Yi-Ying
, YIN LI
. Effects of Additional Vacancy-Like Defects Produced by Ion Impealations on Boron Thermal Diffusion in Silicon. Chinese Physics C,
2005, 29(11): 1107-1111. |
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