ISO 11146-1-2021 激光器和激光相关设备 激光束宽度、发散角和光束传播比的测试方法 第1部分：散光和简单散光光束.pdf

INTERNATIONAL ISO STANDARD 11146-1 Second edition 2021-07 Lasers and laser-related equipment- Test methods for laser beam widths divergence angles and beam propagation ratios- Part 1: Stigmatic and simple astigmatic beams Lasers et equipements associes aux lasers-Methodes d'essai des largeurs du faisceau angles de divergence et facteurs de limite de diffraction- Partie 1:Faisceaux stigmatiques et astigmatiques simples Reference number ISO11146-1:2021(E) ISO ISO2021 ISO11146-1:2021(E) 1 COPYRIGHT PROTECTED DOCUMENT ©ISO2021 All rights reserved.Unless otherwise specified or required in the context of its implementation no part of this publication may be reproduced or utilized otherwise in any form or by any means electronic or mechanical including photocopying or posting on the internet or an intranet without prior written permission.Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office CP 401.Ch.de Blandonnet 8 CH-1214 Vernier Geneva Phone:41227490111 Email:copyright@iso.org Website:.iso.org Published in Switzerland ii @ISO 2021-All rights reserved ISO11146-1:2021(E) Contents Page Foreword iv Introduction 1 Scope 1 2 Normative references 1 3 Terms and definitions...... 1 4 Coordinate systems 7 5 Test principles 7 5.1 Applicability 7 5.2 Beam widths and beam diameter. 7 5.3 Beam divergence angles. 8 5.4 Beam propagation ratios 8 5.5 Combined measurement of beam waist locations beam widths ...