A HIGH-INTENSITY ELECTRON SOURCE FROM GAAS

被引：6
|
作者：
CALABRESE, R
KUDELAINEN, V
NOVOKHATSKY, A
TECCHIO, L
机构：
[1] IST NAZL FIS NUCL, FERRARA, ITALY
[2] UNIV TURIN, DIPARTIMENTO FIS SPERIMENTALE, I-10124 TURIN, ITALY
[3] IST NAZL FIS NUCL, TURIN, ITALY
[4] NOVOBIRISK NUCL PHYS INST, NOVOSIBIRSK, USSR
来源：
MEASUREMENT SCIENCE AND TECHNOLOGY | 1990年 / 1卷 / 07期
关键词：
D O I：
10.1088/0957-0233/1/7/025
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The authors are preparing a very low-temperature electron beam in order to investigate the ultimate possibilities of the electron cooling method. They present the initial results relative to an electron source, utilising photoemission from negative electron affinity GaAs. Electron currents in the region of 1 mA were achieved with a CW 65 mW argon ion laser. A photocathode lifetime of 17 hours has been measured.
引用
收藏
页码：665 / 666
页数：2
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