Observation of coherent and self-amplified spontaneous emission in the mid-infrared at the CLIO free-electron laser

被引：0
|
作者：
Ortega, JM [1 ]
Prazeres, R [1 ]
Glotin, F [1 ]
Jaroszynski, DA [1 ]
机构：
[1] Univ Paris Sud, LURE, F-91405 Orsay, France
来源：
TOWARDS X-RAY FREE ELECTRON LASERS: WORKSHOP ON SINGLE PASS, HIGH GAIN FELS STARTING FROM NOISE, AIMING AT COHERENT X-RAYS | 1997年 / 413期
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D O I：
暂无
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We have produced and analysed the "Coherent Spontaneous Emission" (CSE) and the "Self-Amplified Spontaneous Emission" (SASE) emitted by a relativistic electron beam passing through an undulator, for the first time in the mid-infrared. In this spectral range, the two phenomena are both very noisy and can be distinguished only by detailed spectral measurements. The spectral behaviour of the SASE line is different from CSE and exhibits an unexpected growth at the start-up of the process.
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页码：81 / 95
页数：15
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