ON THE EXCITATION MECHANISM OF THE CW ATOMIC FLUORINE LASER

被引:6
作者
SCHAEFER, G
KIRKICI, H
机构
[1] Polytech Univ, Weber Research Inst,, Farmingdale, NY, USA
关键词
Atoms - Fluorine - Helium - Molecular Beams - Plasmas;
D O I
10.1109/3.42065
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A plasma mixing device in which a helium plasma beam is crossed with a molecular fluorine beam was used to operate an atomic fluorine laser. Operation conditions confirm that excitation occurs through collisions of helium metastables and F2 molecules. Collisions with other F-donors, such as NF3, CF4, C2F6, and SF6, do not yield F-atoms in one of the possible upper laser levels. In lasers using such F-donors, excitation has to occur through electron collisions with F-atoms which have been generated in a preceding process.
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页码:2344 / 2349
页数:6
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