PD ISO/TR 11146-3:2004
Current
The latest, up-to-date edition.
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
Hardcopy , PDF
English
31-05-2006
Foreword
Introduction
1 Scope
2 Second-order laser beam characterization
2.1 General
2.2 Wigner distribution
2.3 First- and second-order moments of Wigner distribution
2.4 Beam matrix
2.5 Propagation though aberration-free optical systems
2.6 Relation between second-order moments and physical beam quantities
2.7 Propagation invariants
2.8 Geometrical classification
2.9 Intrinsic classification
3 Background and offset correction
3.1 General
3.2 Coarse correction by background map subtraction
3.3 Coarse correction by average background subtraction
3.4 Fine correction of baseline offset
4 Alternative methods for beam width measurements
4.1 General
4.2 Variable aperture method
4.3 Moving knife-edge method
4.4 Moving slit method
Annex A (informative) Optical system matrices
Bibliography
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.