IEC 61755-3-7-2009 Fibre optic interconnecting devices and passive components - Fibre optic connector optical interfaces - Part 3-7 Optical interface 2 5 mm and 1 25 mm diameter cy.pdf

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1、 IEC 61755-3-7 Edition 1.0 2009-01 INTERNATIONAL STANDARD NORME INTERNATIONALE Fibre optic interconnecting devices and passive components Fibre optic connector optical interfaces Part 3-7: Optical interface, 2,5 mm and 1,25 mm diameter cylindrical PC composite ferrule using titanium as fibre surroun

2、ding material, single mode fibre Dispositifs dinterconnexion et composants passifs fibres optiques Interfaces optiques de connecteurs pour fibres optiques Partie 3-7: Interfaces optiques, frules composites cylindriques PC, de diamtre 2,5 mm et 1,25 mm, utilisant le titane comme matriau entourant la

3、fibre, fibres unimodales IEC 61755-3-7:2009 THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2009 IEC, Geneva, Switzerland 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 mechanical, including phot

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17、es questions, visitez le FAQ du Service clients ou contactez-nous: Email: csciec.ch Tl.: +41 22 919 02 11 Fax: +41 22 919 03 00 IEC 61755-3-7 Edition 1.0 2009-01 INTERNATIONAL STANDARD NORME INTERNATIONALE Fibre optic interconnecting devices and passive components Fibre optic connector optical inter

18、faces Part 3-7: Optical interface, 2,5 mm and 1,25 mm diameter cylindrical PC composite ferrule using titanium as fibre surrounding material, single mode fibre Dispositifs dinterconnexion et composants passifs fibres optiques Interfaces optiques de connecteurs pour fibres optiques Partie 3-7: Interf

19、aces optiques, frules composites cylindriques PC, de diamtre 2,5 mm et 1,25 mm, utilisant le titane comme matriau entourant la fibre, fibres unimodales INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE K ICS 33.180.20 PRICE CODE CODE PRIX ISBN 2-8318-1023-2 Registe

20、red trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale 2 61755-3-7 IEC:2009 CONTENTS FOREWORD.3 1 Scope.5 2 Description.5 3 Interface parameters for PC ferrule independent from the ferrule material 6 Annex A (informative) .9 Bibli

21、ography10 Figure 1 Interface dimensions for PC ferrule 6 Figure 2 Fibre core location .6 Figure 3 Interface dimension of the end-face contact zone.7 Table 1 Optical interface parameter values for 2,5 mm diameter PC ferrule .7 Table 2 Optical interface parameter values for 1,25 mm diameter PC ferrule

22、 .8 61755-3-7 IEC:2009 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS FIBRE OPTIC CONNECTOR OPTICAL INTERFACES Part 3-7: Optical interface, 2,5 mm and 1,25 mm diameter cylindrical PC composite ferrule using titanium as fibre surrounding mater

23、ial, single mode fibre FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning

24、 standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their pre

25、paration is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non- governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closel

26、y with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant

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29、ent possible in their national and regional publications. Any divergence between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for a

30、ny equipment declared to be in conformity with an IEC Publication. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committee

31、s and IEC National Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications.

32、8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent ri

33、ghts. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 61755-3-7 has been prepared by subcommittee 86B: Fibre optic interconnecting devices and passive components, of IEC technical committee 86: Fibre optics. The text of this standard is bas

34、ed on the following documents: FDIS Report on voting 86B/2768/FDIS 86B/2801/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. 4 6

35、1755-3-7 IEC:2009 A list of all parts of the IEC 61755 series, published under the general title Fibre optic interconnecting devices and passive components Fibre optic connector optical interfaces, can be found on the IEC website. Future standards in this series will carry the new general title as c

36、ited above. Titles of existing standards in this series will be updated at the time of the next edition. The committee has decided that the contents of this publication will remain unchanged until the maintenance result date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data rel

37、ated to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. 61755-3-7 IEC:2009 5 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS FIBRE OPTIC CONNECTOR OPTICAL INTERFACES Part 3-7: Optical interface, 2,5 mm and

38、1,25 mm diameter cylindrical PC composite ferrule using titanium as fibre surrounding material, single mode fibre 1 Scope This part of IEC 61755 defines dimensional limits and material properties of a 2,5 mm and a 1,25 mm diameter cylindrical composite ferrule optical interface to meet specific requ

39、irements for PC fibre-to-fibre interconnection. The composite ferrule uses different materials in the end face contact zone and in ferrule to sleeve contact zone. The specified materials for each zone are zirconia (ZrO 2 ) for the ferrule to sleeve contact zone and titanium for the end face contact

40、zone. Ferrules made from the material specified in this standard are suitable for use in categories C, U, E and O as defined in IEC 61753-1. NOTE If mated within the same family (cylindrical PC ferrule), the ferrules specified in this standard are intended to have the same optical attenuation perfor

41、mance grade for connections with all ferrules described in different parts of IEC 61775-3. 2 Description The performance of a cylindrical ferrule optical interface is determined by the accuracy with which the optical datum targets of two mating ferrules are aligned with each other. There are three c

42、onditions affecting the alignment of two optical datum targets, lateral offset, angular offset and longitudinal offset. Parameters influencing the lateral and angular offset of the optical fibre axes include the following: ferrule outside diameter; fibre hole concentricity relative to the ferrule ou

43、tside diameter; fibre hole angle relative to outside diameter axis; fibre cladding diameter to fibre hole clearance; alignment sleeve inside diameter; fibre core concentricity relative to the cladding diameter; fibre core orientation relative to keying feature. Parameters influencing the longitudina

44、l offset of the optical fibre axes include the following: end face spherical radius; end face spherical radius apex offset; fibre undercut; axial force on ferrule end face; ferrule and fibre material physical constants; alignment sleeve frictional force. 6 61755-3-7 IEC:2009 3 Interface parameters f

45、or PC ferrule independent from the ferrule material No sharp edge K D J Ferrule axis Fibre axis E IEC 2295/08 Figure 1 Interface dimensions for PC ferrule F IEC 1315/06 Figure 2 Fibre core location F defines the radial coordinate limits of the optical fibre core relative to the optical datum of the

46、ferrule. 61755-3-7 IEC:2009 7 C A B IEC 2113/06 Figure 3 Interface dimension of the end-face contact zone Table 1 Optical interface parameter values for 2,5 mm diameter PC ferrule Parameter values Grade A Grade B Grade C Grade D Remarks Ref. Minimum Maximum Minimum Maximum Minimum Maximum Minimum Ma

47、ximum A 200 a200 a200 ab , nm B 7 20 7 20 7 20 Radius, mm C 0 70 0 70 0 70 m D 2,4985 2,4995 2,4985 2,4995 2,4985 2,4995 Diameter, mm E 0 0,6 0 0,8 0 0,6 Degrees F 0 0,00015 0 0,0003 0 0,0016 Radius, mm J 0,8 - 0,8 - 0,8 - Diameter, mm K - 1,8 - 1,8 - 1,8 mm aContact force 4,9 N minimum. Ferrule mat

48、erial: titanium. Nominal material physical constant values: Youngs Modulus, E = 105 GPa, Poissons Ratio, = 0,34. () 80 10 10 10 2115 3 2 6 2 6 765 0 Maximum + = C B B B ,bA negative value indicates fibre protrusion. 8 61755-3-7 IEC:2009 Table 2 Optical interface parameter values for 1,25 mm diameter

49、 PC ferrule Parameter Values Grade A Grade B Grade C Grade D Remarks Ref. Minimum Maximum Minimum Maximum Minimum Maximum Minimum Maximum A -200 a-200 a-200 ab , nm B 7 20 7 20 7 20 Radius, mm C 0 70 0 70 0 70 m D 1,2485 1,2495 1,2485 1,2495 1,2485 1,2495 Diameter, mm E 0 0,6 0 0,8 0 0,6 Degrees F 0 0,00015 0 0,0003 0 0