This part of ISO 11146 specifies methods for measuring beam widths (diameter), divergence angles and beam propagation ratios of laser beams. This part of ISO 11146 is applicable to general astigmatic beams or unknown types of beam. For stigmatic and simple astigmatic beams, ISO 11146-1 is applicable. Within this part of ISO 11146 the description of laser beams is accomplished by means of the second order moments of the Wigner distribution rather than physical quantities such as beam widths and divergence angles. However these physical quantities are closely related to the second order moments of the Wigner distribution. In ISO/TR 11146-3, formulae are given to calculate all relevant physical quantities from the measured second order moments.#,,#
DIN EN ISO 11146-2-2005由德国标准化学会 DE-DIN 发布于 2005-05。
DIN EN ISO 11146-2-2005 在中国标准分类中归属于: L51 激光器件,在国际标准分类中归属于: 31.260 光电子学、激光设备。
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