NF EN ISO 15367-2

October 2005

Standard Current

Lasers and laser-related equipment - Test methods for determination of the shape of a laser beam wavefront - Part 2 : Shack-Hartmann sensors

ISO 15367-2:2005 specifies methods for measurement and evaluation of the wavefront distribution function in a transverse plane of a laser beam utilizing Hartmann or Shack-Hartmann wavefront sensors. ISO 15367-2:2005 is applicable to fully coherent, partially coherent and general astigmatic laser beams, both for pulsed and continuous operation.Furthermore, reliable numerical methods for both zonal and modal reconstruction of the two-dimensional wavefront distribution together with their uncertainty are described. The knowledge of the wavefront distribution enables the determination of several wavefront parameters that are defined in ISO 15367-1.

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Main informations

Collections

National standards and national normative documents

Publication date

October 2005

Number of pages

30 p.

Reference

NF EN ISO 15367-2

ICS Codes

31.260 Optoelectronics. Laser equipment

Classification index

S10-127-2

Print number

1 - 26/09/2005

International kinship

ISO 15367-2:2005

European kinship

EN ISO 15367-2:2005

Sumary

Lasers and laser-related equipment - Test methods for determination of the shape of a laser beam wavefront - Part 2 : Shack-Hartmann sensors

Furthermore, reliable numerical methods for both zonal and modal reconstruction of the two-dimensional wavefront distribution together with their uncertainty are described. The knowledge of the wavefront distribution enables the determination of several wavefront parameters that are defined in ISO 15367-1.

Table of contents

Avant-propos
iv
Introduction
v
1 Domaine d'application
1
2 Références normatives
1
3 Termes et définitions
1
4 Symboles et unités
4
5 Principe d'essai des senseurs de front d'onde Hartmann et Shack-Hartmann
4
6 Installation de mesure et mode opératoire
5
6.1 Généralités
5
6.2 Système de détection
5
6.3 Mesurage
8
6.4 Étalonnage
9
7 Évaluation des gradients de front d'onde
9
7.1 Soustraction du bruit de fond
9
7.2 Évaluation
10
8 Reconstruction du front d'onde
10
8.1 Généralités
10
8.2 Intégration numérique directe (méthode de zone)
11
8.3 Reconstruction par mode du front d'onde
12
9 Représentation du front d'onde
12
10 Incertitude
13
10.1 Généralités
13
10.2 Erreurs de mesure statistiques
13
10.3 Effets environnementaux
13
10.4 Déficiences dans l'acquisition des données
14
10.5 Incertitudes dues au non-alignement géométrique
14
11 Rapport d'essai
14
Annexe A (informative) Reconstruction du front d'onde
19
Annexe B (informative) Polynômes de Zernike pour la représentation des fronts d'onde
21
Bibliographie
22

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