SURFACE-TEMPERATURE AND SLOPE ERRORS ON PLANE MIRRORS EXPOSED TO HIGH-POWER SYNCHROTRON RADIATION

被引：7
作者：
JARK, W
MOURIKIS, S
JOKSCH, S
SAILE, V
机构：
[1] MAX PLANCK GESELL,FRITZ HABER INST,W-1000 BERLIN 33,GERMANY
[2] DESY,HAMBURGER SYNCHROTRONSTRAHLUNGSLABOR,W-2000 HAMBURG 52,GERMANY
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1990年 / 291卷 / 1-2期
关键词：
D O I：
10.1016/0168-9002(90)90079-L
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The temperature at the surface and the distortion of plane mirrors made from various materials have been investigated with incident surface power densities of the order of 0.4 W/mm2 and total powers of up to 170 W. Although the surface temperature could be significantly lowered by increasing the cooling water flow rate, the temperature gradients and the deformation of the surface were found to be independent of the cooling. Si and SiC were found to be much superior to all other samples. Contrary to the theoretical expectations the surface distortion was found to depend not just on the figure of merit for thermal distortions. This is interpreted by taking into account the penetration depth of the radiation emitted by the hard-X-ray wiggler (HARWI) in the 5.3 GeV storage ring DORIS. © 1990.
引用
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页码：319 / 324
页数：6
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