Acta Optica Sinica, Volume. 3, Issue 3, 259(1983)
The effect of spatial filter on laser beam brightness
This paper reports some experimental results on vacuum spatial filter in improving laser beam quality and increasing laser beam brighteness.
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CHEN SEISHENG, BI WUJI, WANG XIAOQIN, ZHAO QINGCHCN. The effect of spatial filter on laser beam brightness[J]. Acta Optica Sinica, 1983, 3(3): 259