ISO/TR 11146-3-2004
激光和激光相关设备.激光束宽度、发散角度和束扩散率.第3部分:内在和几何激光束分类、扩散和试验方法细节
Lasers and laser-related equipment - Test methods for laser beam widths, divergence angles and beam propagation ratios - Part 3: Intrinsic and geometrical laser beam classification, propagation and details of test methods
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- 标准号
- ISO/TR 11146-3-2004
- 发布日期
- 2004年02月
- 实施日期
- 废止日期
- 无
- 中国标准分类号
- L51
- 国际标准分类号
- 31.260
- 发布单位
- 国际标准化组织
- 被代替标准
- ISO 11146-1999
- 适用范围
- This part of ISO 11146 specifies methods for measuring beam widths (diameter), divergence angles and beam propagation ratios of laser beams in support of ISO 11146-1. It provides the theoretical description of laser beam characterization based on the second-order moments of the Wigner distribution, including geometrical and intrinsic beam characterization, and offers important details for proper background subtraction methods recommendable for matrix detectors such as CCD cameras. It also presents alternative methods for the characterization of stigmatic or simple astigmatic beams that are applicable where matrix detectors are unavailable or deliver unsatisfying results.