UNI EN ISO 11670 : 2005
Current
The latest, up-to-date edition.
LASERS AND LASER-RELATED EQUIPMENT - TEST METHODS FOR LASER BEAM PARAMETERS - BEAM POSITIONAL STABILITY
03-01-2005
1. Scope
2. Normative references
3. Terms and definitions
4. Coordinate systems and beam axis
4.1 Beam axis distribution
4.2 Coordinate systems
5. Test principles
5.1 Beam positional stability
5.2 Beam angular stability
6. Measurement arrangement, test equipment and auxiliary
devices
6.1 Preparation
6.2 Control of environment
6.3 Detection system
6.4 Beam-forming optics, optical attenuators, beam
splitters, focusing elements
6.5 Calibration
7. Test procedures
7.1 General
7.2 Beam positional stability
7.3 Beam angular stability
8. Evaluation
8.1 Beam positional stability
8.2 Beam angular stability
9. Test report
Annex A (informative) Propagation of absolute beam stability
Annex B (informative) Decoupling of short- and long-term
fluctuations
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