CHARACTERISTICS OF A LARGE-BORE COPPER-VAPOR LASER WITH GAS-COOLING PLATES

被引：7
|
作者：
ISEKI, Y
HAYASHI, K
WATANABE, I
NNODA, E
SUZUKI, S
机构：
[1] Energy and Mechanical Research Laboratories, Research and Development Center, Toshiba Corporation, Kawasaki-ku, Kawasaki, 210
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS | 1994年 / 33卷 / 6B期
关键词：
COPPER VAPOR LASER; GAS TEMPERATURE; GAS COOLING; PLATE INSERTION; PLASMA IMPEDANCE; BEAM PROFILE; OUTPUT POWER; METASTABLE;
D O I：
10.1143/JJAP.33.L860
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
It has been experimentally found that the insertion of plates into the plasma tube has improved the output characteristics of an 80-mm copper vapor laser. It has been revealed that the buffer gas temperature decreases and the metastable-state (the lower laser level) density of copper atoms decreases near the center axis of the plasma tube. Moreover, electric power is transferred into plasma more efficiently because of the increase in plasma impedance. As a result, the average output power is increased by 57 % and the beam intensity profile has become uniform.
引用
收藏
页码：L860 / L862
页数：3
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