Owing to employing special correcting lens, laminar flow beam with rectangular cross section of 1 × 3 mm2 is obtained.
采用特殊校正透镜获得了截面为1×3mm~2的带状层流束。
This paper gives an an illustrational proof to beam intensity distribution for narrow beam of rectangular cross section, and presents an accurate expression to calculating beam intensity.
本文对截面为矩形的窄束给出束强分布的图解法证明,并提出计算束强的精确公式。
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