Aktivní norma | Vydána: 22.01.2004

ISO/TR 11146-3:2004

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
(Lasers et équipements associés aux lasers — Méthodes d´essai des largeurs du faisceau, des angles de divergence et des facteurs de limite de diffraction — Partie 3: Classification intrinseque et géométrique du faisceau laser, propagation et détails des méthodes d´essai)

Dostupné jazyky: Anglicky

Dostupné provedení: Elektronické PDF, Tištěné

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Podrobné informace

Označení: ISO/TR 11146-3:2004

Datum vydání: 22.01.2004

Stran: 22

Země: Mezinárodní technická norma

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Anotace

Description / Abstract: ISO/TR 11146-3:2004 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.

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