The beam propagation M2 factor is a useful parameter for characterizing laser beam.
光束传输M2因子是表征激光束的有用参量。
It is shown that the twist result is an increase of the intrinsic astigmatism, but doesn't affect the M2 factor in general.
研究表明，一般而言，扭曲会引起本征像散的增加，但却不会影响M2因子。
It is shown that the twist results is an increase of the intrinsic astigmatism, but doesn't affect the M2 factor in general.
研究表明，一般而言扭曲会引起本征像散的增加，但却不会影响犷因子。
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