A DIRECTLY COOLED GRATING SUBSTRATE FOR ALS UNDULATOR BEAM LINES

被引：10

作者：

DIGENNARO, R

SWAIN, T

机构：

[1] Engineering Division, Lawrence Berkeley Laboratory, Berkeley, CA 94720

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)90077-J

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Design analyses using finite-elements methods are presented for thermal distortion of water-cooled diffraction grating substrates for a potential application at the LBL Advanced Light Source, demonstrating that refinements in cooling channel configuration and heat flux distribution can significantly reduce optical surface distortion with high heat loads. Using an existing grating substrate design, sensitivity of tangential slope errors due to thermal distortion is evaluated for a variety of thermal boundary conditions, including coolant flow rate and heat transfer film coefficients, surface illumination area and heat distribution profile, and location of the convection cooling surface adjacent to the heated region. © 1990.

引用

页码：305 / 312

页数：8

共 9 条

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[2]

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[9]

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