SPATIAL COHERENCE MEASUREMENTS OF XECL LASER-RADIATION WITH A SUPER-GAUSSIAN UNSTABLE CAVITY

被引:9
作者
PERRONE, MR
机构
[1] Universita' di Lecce, Dipartmento di Fisica, Lecce, 73100
关键词
D O I
10.1080/09500349314552161
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A Young's interferometer has been used for spatial coherence measurements of the 23 mm diameter laser beam provided by a XeCl laser fitted with a super-Gaussian resonator of magnification factor M=7. It has been found that the fringe visibility reduces from 0.8 to 0.1 by increasing the slit distance from 4 mm to 15 mm, the transverse coherence degree of the laser beam being determined by the geometric constraints imposed by the unstable resonator.
引用
收藏
页码:2135 / 2141
页数:7
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