BSIS0 22576:2020 BSl Standards Publication Optics and photonics Optical materials and components Specification of calcium fluoride used in the infrared spectrum bsi. BSISO22576:2020 BRITISH STANDARD Nationalforeword ThisBritish Standard is theUK implementation of IS022576:2020. The UKparticipation in its preparation was entrusted to Technical CommitteeCPW/172,OpticsandPhotonics. A list of organizations represented on this committee can be obtained on requestto its secretary. This publication does not purport to include all the necessary provisions ofa contract.Users areresponsiblefor its correctapplication. @The British Standards Institution 2020 Published by BSI Standards Limited 2020 ISBN9780580990243 ICS37.020 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the StandardsPolicyandStrategyCommitteeon30April2020. Amendments/corrigendaissuedsincepublication Date Text affected BS IS0 22576:2020 ISO INTERNATIONAL STANDARD 22576 First edition 2020-04 Optics and photonics Optical materials and components Specification of calcium fluoride used in the infrared spectrum OptiqueetphotoniqueMateriauxetcomposants optiques Specification de fluorure de calcium utilise dans le spectre infrarouge Reference number IS0 22576:2020(E) ISO ISO2020