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    BS ISO 9211-2-2010 Optics and photonics - Optical coatings - Optical properties《光学和光子学 光学涂层 光学特性》.pdf

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    BS ISO 9211-2-2010 Optics and photonics - Optical coatings - Optical properties《光学和光子学 光学涂层 光学特性》.pdf

    1、BS ISO 9211-2:2010 ICS 37.020 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BRITISH STANDARD Optics and photonics Optical coatings Part 2: Optical propertiesThis British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 March 201

    2、0 BSI 2010 ISBN 978 0 580 62615 9 Amendments/corrigenda issued since publication Date Comments BS ISO 9211-2:2010 National foreword This British Standard is the UK implementation of ISO 9211-2:2010. It supersedes BS ISO 9211-2:1994 which is withdrawn. The UK participation in its preparation was entr

    3、usted to Technical Committee CPW/172/3, Optics and Photonics - Optical Materials and Components. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are respo

    4、nsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations.BS ISO 9211-2:2010Reference number ISO 9211-2:2010(E) ISO 2010INTERNATIONAL STANDARD ISO 9211-2 Second edition 2010-03-15 Optics and photonics Optical coatings Part 2: Optical propert

    5、ies Optique et photonique Traitements optiques Partie 2: Proprits optiques BS ISO 9211-2:2010 ISO 9211-2:2010(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces wh

    6、ich are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobes licensing policy. The ISO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems I

    7、ncorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event

    8、 that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHT PROTECTED DOCUMENT ISO 2010 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mecha

    9、nical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso

    10、.org Published in Switzerland ii ISO 2010 All rights reservedBS ISO 9211-2:2010 ISO 9211-2:2010(E) ISO 2010 All rights reserved iiiContents Page Foreword iv 1 Scope1 2 Normative references1 3 Terms and definitions .1 4 Optical properties to be specified .1 5 Measurement conditions 1 6 Numerical spec

    11、ification and graphical representation of spectral characteristics .2 6.1 General .2 6.2 Rules for the numerical specification of spectral characteristics .2 6.3 Rules for the graphical representation of spectral characteristics .3 6.4 Graphical representation of principal optical functions .3 Annex

    12、 A (normative) Supplementary terms and definitions for filtering and selecting functions .10 BS ISO 9211-2:2010 ISO 9211-2:2010(E) iv ISO 2010 All rights reservedForeword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodie

    13、s). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and n

    14、on-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Pa

    15、rt 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies castin

    16、g a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 9211-2 was prepared by Technical Committee ISO/TC 172, Optics and photonics, Subcommitt

    17、ee SC 3, Optical materials and components. This second edition cancels and replaces the first edition (ISO 9211-2:1994) which has been technically revised. ISO 9211 consists of the following parts, under the general title Optics and photonics Optical coatings: Part 1: Definitions Part 2: Optical pro

    18、perties Part 3: Environmental durability Part 4: Specific test methods BS ISO 9211-2:2010 INTERNATIONAL STANDARD ISO 9211-2:2010(E) ISO 2010 All rights reserved 1Optics and photonics Optical coatings Part 2: Optical properties 1 Scope ISO 9211 identifies surface treatments of components and substrat

    19、es excluding ophthalmic optics (spectacles) by the application of optical coatings and gives a standard form for their specification. It defines the general characteristics and the test and measurement methods whenever necessary, but is not intended to define the process method. This part of ISO 921

    20、1 indicates how to specify optical properties of coatings and to represent their spectral characterization graphically. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated

    21、references, the latest edition of the referenced document (including any amendments) applies. ISO 9211-1, Optics and photonics Optical coatings Part 1: Definitions 3 Terms and definitions For the purposes of this document, the terms and definitions given in ISO 9211-1 apply. 4 Optical properties to

    22、be specified When specifying optical properties, the refractive indices of the incidence medium and the emergent medium shall be given. The polarization state of the incident radiation shall also be indicated if the angle of incidence, , is different from zero or a range of angles of incidence is gi

    23、ven. If there is no indication, unpolarized radiation is assumed. The optical properties (), (), (), D() and () of a coating shall be specified by using the formulation given and explained in 6.2 in order to provide a comprehensive description of a coating with regard to its minimum set of optical p

    24、roperties. Other optical properties like scattering or colorimetric parameters etc. shall be subject to agreement between supplier and user if appropriate. 5 Measurement conditions The measurement conditions for the spectrophotometric characterization shall be subject to agreement between supplier a

    25、nd user. These conditions depend on the principle of the measurement method and the instruments used, including the angle of incidence, the state of polarization, the spectral range and bandwidth BS ISO 9211-2:2010 ISO 9211-2:2010(E) 2 ISO 2010 All rights reservedof the measurement beam, etc. and sh

    26、all be recorded in sufficient detail to enable verification of the measurement. 6 Numerical specification and graphical representation of spectral characteristics 6.1 General This part of ISO 9211 defines the rules for the spectrophotometric characterization of optical coatings. 6.2 Rules for the nu

    27、merical specification of spectral characteristics The general structure of a numerical specification, as distinguished from a graphical specification, of a spectral optical property shall follow the structure of an inequality with the following terms: (lower limit term) (lower limit term). Table 1 g

    28、ives a schematic representation of elements necessary for the numerical specification of spectral characteristics as shown in Table 2. NOTE Unless otherwise specified, the symbols and denote the specular transmittance and reflectance. Table 1 Scheme of elements for the numerical specification of spe

    29、ctral characteristics Lower limit (subscript L) Comparator signSpectral optical property Wavelength (or wavenumber) range or single wavelength (or wavenumber), angle of incidence aComparator signUpper limit (subscript U) Z represents any of i = 1, 2, . i = 1, 2, . i = 1, 2, . Z Li or u Z ( ito i+1 ,

    30、 ) or ( i , ) or u Z Ui, , , D, or Z L i Z Li+1 b or u Z ( ito i+1 , ) or u Z Ui Z Ui+1 b, , , D, or Z ave,Li or u Z ave( ito i+1 , ) or u Z ave,Ui, , , D, or or Z s,Li or u Z s( ito i+1 , ) or ( i , ) or u Z s,Ui, , , or D Z s,ave,Li or u Z s,ave( ito i+1 , ) or u Z s,ave,Ui, , , or D Z p,Li or u Z

    31、 p( ito i+1 , ) or ( i , ) or u Z p,Ui, , , or D Z p,ave,Li or u Z p,ave( ito i+1 , ) or u Z p,ave,Ui, , , or D aEach optical property can be specified for different wavelength (or wavenumber) ranges and/or different single wavelengths (or wavenumbers), if necessary. If the angle of incidence is not

    32、 explicitly indicated, an angle of 0 is assumed. For special applications, a range of angles of incidence ( 1to 2 ) instead of a single angle can be specified. If the angle of incidence is different from 0 or a range of angles is given, but neither s- nor p-polarization is defined, the radiation is

    33、assumed to be unpolarized. bThe arrow indicates a linear change of the tolerance limit from value Z Li at ito value Z Li+1at i+1(from value Z Uiat ito value Z Ui+1at i+1 , respectively). BS ISO 9211-2:2010 ISO 9211-2:2010(E) ISO 2010 All rights reserved 3Table 2 Numerical examples Code designation a

    34、Spectral characteristics (numerical specification) AB 0,75 0,60 0,98 ave(400 nm to 700 nm) W 0,995 FI-BP 0,85 u (535 nm to 565 nm) u 0,95 (400 nm to 515 nm) 0,97 PO s(450 nm to 650 nm, 45) 0,95 p(450 nm to 650 nm, 45) 0,05 aThe code designations are given in ISO 9211-1:2010, Table 1. 6.3 Rules for t

    35、he graphical representation of spectral characteristics 6.3.1 Spectrophotometric characterization consists of indicating the following in a graph: a) on the abscissa, the spectral region in which the characteristics are specified as a function of wavelength, , in nanometres or micrometres, or wavenu

    36、mber, , in reciprocal centimetres; b) on the ordinate, the values of the individual optical properties (, , , D or ). 6.3.2 The upper and/or lower tolerance limits (indicated by subscripts U and L respectively) within which the spectral characteristics must be located shall be indicated on the graph

    37、 with hatched areas outside of the tolerance band. An alternative is the marking with triangles ( for the lower tolerance limit and for the upper tolerance limit) at both edges of the corresponding tolerance band. This way of marking is especially suited for tolerance limits at defined single wavele

    38、ngths. If average values are specified, this shall be indicated as text on the graph, e.g. ave,L ave ( 1to 2 ) ave,U . 6.3.3 If the coating is employed in several spectral regions, the characterization of the function in those different regions may appear on the same representation. Using different

    39、scales is permitted if necessary. 6.4 Graphical representation of principal optical functions 6.4.1 General The following graphical representations of principal optical functions shall be used for specification and actual measurement. If appropriate, specified and measured upper, lower and/or averag

    40、e values can be combined in one graphical representation. The curves, the limits, and the numerical values shown in the following figures are only examples used for illustration. They shall not be taken as typical or standard values and limits. BS ISO 9211-2:2010 ISO 9211-2:2010(E) 4 ISO 2010 All ri

    41、ghts reserved6.4.2 Reflecting function (RE) The reflecting function shall be characterized by its lower tolerance limit, L , of spectral reflectance. The upper tolerance limit, U , should also be indicated if necessary. ave ave, L( 1to 2 , ) 3 4 2 1 2 1 General designation: RE ( 2i1to 2i , ) i , ; i

    42、 = 1, 2, Numerical example: RE (400 nm to 700 nm, 25 to 35) 0,98 (730 nm to 770 nm, 25 to 35) 0,96 ave(400 nm to 700 nm, 25 to 35) 0,995 Figure 1 Reflecting function 6.4.3 Antireflecting function (AR) The antireflecting function shall be characterized by its upper tolerance limit of spectral reflect

    43、ance, U . If necessary, the spectral transmittance with its lower tolerance limit, L , should be indicated. 1 2 3 4 12 3 4 5 General designation: AR ( ito i+1 , ) i i+1 , ; i = 1, 2, . Numerical example: AR (410 nm to 420 nm, 0 to 30) 0,01 0,005 (420 nm to 600 nm, 0 to 30) 0,005 (600 nm to 640 nm, 0

    44、 to 30) 0,005 0,015 (905 nm, 0 to 30) 0,01 Figure 2 Antireflecting function BS ISO 9211-2:2010 ISO 9211-2:2010(E) ISO 2010 All rights reserved 56.4.4 Beam splitting function (BS) The beam splitting function shall be characterized by its upper and lower tolerance limits ( U , L , U , L ) of spectral

    45、transmittance and spectral reflectance. These two representations may be shown in separate graphs. U1 L1 U2 L2 123 U L General designation: BS Li ( 2i1to 2i , ) Ui , , Li ( 2i1to 2i , ) Ui , ; i = 1, 2, . Numerical example: BS 0,25 (400 nm to 700 nm, 40 to 50) 0,35 0,45 (905 nm, 40 to 50) 0,55 0,65

    46、(400 nm to 700 nm, 40 to 50) 0,75 Figure 3 Beam splitting function 6.4.5 Attenuating function (AT) The attenuating function shall be characterized by its upper and lower tolerance limits ( U , L ) of spectral transmittance or spectral optical density (D U , D L ). NOTE Spectral optical density is re

    47、lated to spectral transmittance by the formula D() = log (). D U1 D L2 D U2 1 3 2 General designation: AT D Li D ( 2i1to 2i , ) D Ui , ; i = 1, 2, . Numerical example: AT D (400 nm to 700 nm, 5) 0,1 3,0 D (905 nm, 5) 3,5 Figure 4 Attenuating function BS ISO 9211-2:2010 ISO 9211-2:2010(E) 6 ISO 2010

    48、All rights reserved6.4.6 Filtering function (FI) Filtering functions can be subdivided into two different groups, namely a) Filtering function of bandpass type (FI-BP) The bandpass filtering function shall be characterized by its upper and lower tolerance limits of spectral transmittance ( U , L ) in the pass band and its upper limits of spectral transmittance ( U ) in its blocking ranges. U L U1 U2 3 4


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