OBSERVATION OF COHERENT TRANSITION RADIATION

被引：192
作者：
HAPPEK, U
SIEVERS, AJ
BLUM, EB
机构：
[1] CORNELL UNIV,CTR MAT SCI,ITHACA,NY 14853
[2] BROOKHAVEN NATL LAB,NATL SYNCHROTRON LIGHT SOURCE,UPTON,NY 11973
来源：
PHYSICAL REVIEW LETTERS | 1991年 / 67卷 / 21期
关键词：
D O I：
10.1103/PhysRevLett.67.2962
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Coherent transition radiation, generated by the passage of mm-long bunches of electrons through a thin metal foil, has been observed in the far infrared. The intensity was compared to the smaller amount of Cherenkov radiation produced when SF6 gas was introduced into the electron path. Wake-field radiation was ruled out by varying the geometry of the metal chamber near the electron beam. The intensity, the polarization, and the spectral and angular distribution of the transition radiation were measured and its coherent nature was identified.
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页码：2962 / 2965
页数：4
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