Measurement of the refractive index of silica aerogel in vacuum

被引：18
|
作者：
Richter, D
Lipka, D
机构：
[1] BESSY, Berliner Elektronenspeicherring, D-12489 Berlin, Germany
[2] DESY Zeuthen, D-15738 Zeuthen, Germany
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2003年 / 513卷 / 03期
关键词：
aerogel; refractive index; vacuum;
D O I：
10.1016/j.nima.2003.07.033
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The photo injector test facility at DESY Zeuthen (PITZ) uses Cherenkov radiation of electrons inside aerogel to measure the bunch length of an electron beam. To evaluate the results the refractive index of the aerogel has to be precisely known. The aerogel is used either at atmospheric pressure or in vacuum. The pressure dependence of the refractive index of two aerogel samples is investigated in the range between high vacuum (10(-5) mbar) and atmospheric pressure. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：635 / 638
页数：4
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