Development of the microstrip silicon detector for imaging of fast processes at a synchrotron radiation beam

被引：12

作者：

Aulchenko, V. ^{[1
,4
]}

Pruuel, E. ^{[3
,4
]}

Shekhtman, L. ^{[1
,4
]}

Ten, K. ^{[3
]}

Tolochko, B. ^{[2
,4
]}

Zhulanov, V. ^{[1
,4
]}

机构：

[1] Budker Inst Nucl Phys, Novosibirsk 630090, Russia

[2] Inst Solid State Chem & Mechanochem, Novosibirsk 630090, Russia

[3] Lavrentiev Inst Hydrodynam, Novosibirsk 630090, Russia

[4] Novosibirsk State Univ, Novosibirsk 630090, Russia

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2017年 / 845卷

关键词：

Silicon microstrip detector; Synchrotron radiation; Time resolved studies; EXPLOSIONS;

D O I：

10.1016/j.nima.2016.05.096

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

In situ imaging of explosions allows to study material properties under very high pressures and temperatures. Synchrotron radiation (SR) is a powerful tool for such studies because of its unique time structure. Flashes of X-rays from individual bunches in a storage ring are so Short that an object under study does not move more than 1-10 mu m during exposure. If a detector is able to store images synchronously with bunches of an SR source the time resolution of such method Will be determined by the duration of SR flash from individual bunch. New beam line at the VEPP-4M storage ring will allow to get X-Ray flux from each bunch close to 10(6) photons/channel where channel area is 0.05 x 0.5 mm(2) and average beam energy is about 30 keV. Bunches in the machine can be grouped into trains with 20 ns time gap. In order to meet these requirements a new detector development was started based on Si microstrip technology. The detector with a new dedicated front-end chip will be able to record images with maximum signal equivalent to 10(6) phbtons/channel, with signal to noise ratio of similar to 10(3), spatial resolution of 50 mu m and maximum frame rate of 50 MHz. The detector has to drive very high peak and average currents without affecting the front-end chip, therefore a specific design of Si sensor should be developed. The front-end chip has to provide signal measurements with the dynamic range of about 104 or more and recording of the signal to an analogue memory with the rate of 50 MHz. The concept of such detector is discussed in the paper. The results of the simulations of the main detector parameters and the results of the first measurements with the prototype sensors are presented. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：169 / 172

页数：4

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