WHISPERING GALLERIES FOR THE PRODUCTION OF CIRCULARLY-POLARIZED SYNCHROTRON-RADIATION IN THE XUV REGION

被引:14
|
作者
SMITH, NV
HOWELLS, MR
机构
[1] LAWRENCE BERKELEY LAB,BERKELEY,CA 94720
[2] AT&T BELL LABS,MURRAY HILL,NJ 07974
关键词
D O I
10.1016/0168-9002(94)91865-1
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
The physics of the soft-X-ray whispering gallery is outlined with emphasis on the delivery of circularly-polarized radiation in the photon energy range homegaBAR = 10-180 eV. Calculations of the relevant figure of merit TP2 (T = transmission, P = polarization) for candidate materials reveal exceptionally high efficiency for Rh (maximum TP2 = 56% at homegaBAR = 105 eV) and for Ag (44%, 125 eV). The practical implementation of a whispering gallery is discussed and compared with a 4-reflection device. The former offers high efficiency with narrow band pass (approximately 30%); the latter offers reasonable efficiency (TP2 = 4-28%) over an extended homegaBAR range (10-150 eV).
引用
收藏
页码:115 / 118
页数:4
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