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sklademVydáno: 2006-05-31
PD ISO/TR 11146-3:2004
Lasers and laser-related equipment. Test methods for laser beam widths, divergence angles and beam propagation ratios Intrinsic and geometrical laser beam classification, propagation and details of test methods
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| Označení normy: | PD ISO/TR 11146-3:2004 |
| Počet stran: | 32 |
| Vydáno: | 2006-05-31 |
| ISBN: | 0 580 46189 0 |
| Status: | Standard |
DESCRIPTION
PD ISO/TR 11146-3:2004
This standard PD ISO/TR 11146-3:2004 Lasers and laser-related equipment. Test methods for laser beam widths, divergence angles and beam propagation ratios is classified in these ICS categories:
- 31.260 Optoelectronics. Laser equipment
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.