ISO INTERNATIONAL STANDARD 9211-5 First edition 2018-11 Optics and photonics Optical coatings - Part 5: Minimum requirements for antireflecting coatings Optiqueetphotonique-Traitementsoptiques Partie5:Exigencesminimalespour revetements anti-reflechissants Reference number IS0 9211-5:2018(E) ISO @ IS0 2018 IS0 9211-5:2018(E) COPYRIGHTPROTECTEDDOCUMENT IS02018 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 40i : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +4122.749 0111 Fax: +41 22 749 09 47 Email:[email protected] Website: www.iso.org Published in Switzerland ii IS02018-Allrights reserved IS0 9211-5:2018(E) Contents Page Foreword iv 1 Scope .1 2 Normativereferences. .1 3 Termsand definitions .1 4 .2 Designation. 5 Indication in drawings. .2 6 Minimumrequirements .2 7 Characteristic reflectance curves. 4 @ IS0 2018 - All rights reserved iii