ANSI TIA EIA 455-113-1996 Polarization-Mode Dispersion Measurement for Single-Mode Optical Fibers by the Fixed Analyzer Method《使用固定分析器法测量单模光纤的偏振模式散射》.pdf

1、 TIA/EIA ANSI/TIA/EIA-455-113-1996 Approved: December 27, 1996 Reaffirmed: December 26, 2001 STANDARD FOTP-113 Polarization-Mode Dispersion Measurement for Single-Mode Optical Fibers by the Fixed Analyzer Method TIAIEIA-455-113 1 FEBRUARY 1997 TELECOMMUNICATIONS INDUSTRY ASSOCIATION The Teleconmiuni

2、cations Industry Association represents the conmiunications sector of Copyright Electronic Industries Alliance Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NOTICE TIA/EIA Engineering Standards and Publications are designed t

3、o serve the public interest through eliminating misunderstandings between manufacturers and purchasers, facilitating interchangeability and improvement of products, and assisting the purchaser in selecting and obtaining with minimum delay the proper product for his particular need. Existence of such

4、 Standards and Publications shall not in any respect preclude any member or nonmember of TIA/EIA from manufacturing or selling products not conforming to such Standards and Publications, nor shall the existence of such Standards and Publications preclude their voluntary use by those other than TIA/E

5、IA members, whether the standard is to be used either domestically or internationally. Standards and Publications are adopted by TIA/EIA in accordance with the American National Standards Institute (ANSI) patent policy. By such action, TIA/EIA does not assume any liability to any patent owner, nor d

6、oes it assume any obligation whatever to parties adopting the Standard or Publication. This Standard does not purport to address all safety problems associated with its use or all applicable regulatory requirements. It is the responsibility of the user of this Standard to establish appropriate safet

7、y and health practices and to determine the applicability of regulatory limitations before its use. (From Standards Proposal No. 3-3152-RF1, formulated under the cognizance of the TIA FO-6.6 Subcommittee on Optical Fibers.) This Document was reaffirmed by the American National Standards Institute (A

8、NSI) on December 26,200 1, and by the TIA. Published by TELECOMMUNICATIONS INDUSTRY ASSOCIATION 1997 Standards and Technology Department 2500 Wilson Boulevard Arlington, VA 22201 U.S.A. PRICE: Please refer to current Catalog of EIA ELECTRONIC INDUSTRIES ALLIANCE STANDARDS and ENGINEERING PUBLICATION

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19、THESE CONTENTS WOULD NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS. Copyright Electronic Industries Alliance Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-ANSI/TIA/EIA-455-113-1996 Approved: December 27, 1996 I u v) * I U

20、w - TIA/EIA STANDARD FOTP-113 Polarization-Mode Dispersion Measurement for Single-Mode Optical Fibers by the Fixed Analyzer Method TIAIEIA-455413 FEBRUARY 1997 TELECOMMUNICATIONS INDUSTRY ASSOCIATION Copyright Electronic Industries Alliance Provided by IHS under license with EIANot for ResaleNo repr

21、oduction or networking permitted without license from IHS-,-,- STD-EIA TIA-455-LL3-ENGL 3797 I 3234600 0637373 318 I NOTICE TIAEIA Engineering Standards and Publications are designed to serve the public interest through eliminating misunderstandings between manufacturers and purchasers, facilitating

22、 interchangeability and improvement of products, and assisting the purchaser in selecting and obtaining with minimum delay the proper product for his particular need. Existence of such Standards and Publications shall not in any respect preclude any member or nonmember of TMIA from manufacturing or

23、selling products not conforming to such Standards and Publications, nor shall the existence of such Standards and Publications preclude their voluntary use by those other than TIAEIA members, whether the standard is to be used either domestically or internationally. Standards and Publications are ad

24、opted by TIAEIA in accordance with the American National Standards Institute (ANSI) patent policy. By such action, TIAEIA does not assume any liability to any patent owner, nor does it assume any obligation whatever to parties adopting the Standard or Publication. This Standard does not purport to a

25、ddress all dety problems associated with its use or all applicable regulatory requirements. It is the responsibility of the user of this Standard to establish appropriate safes and health practices-and to determine the applicability of regulatory limitations before its use. Published by OTELECOMMUNI

26、CATIONS INDUSTRY ASSOCIATION 1997 Standards and Technology Department 2500 Wilson Boulevard Arlington, VA 22201 PRICE: Please refer to current or call Global Engineering Documents, USA and Canada (1-800-854-7179) International (303-397-7956) Catalog of EU, JEDEC, and TIA STANDARDS and ENGINEERING PU

27、BLICATIONS All rights reserved Printed in U.S.A. Copyright Electronic Industries Alliance Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-STD-EIA TIA-455-113-ENGL 1997 = 3Z34bOO Ob17172 254 E TINEIA-455-113 FOTP-113 Polarizatio

28、n-mode dispersion measurement for single-mode optical fibers by the fixed analyzer method Contents Foreword 1 . Introduction . 2 . Normative references 3 . Apparatus . 4 . Sampling and specimens 5 . Procedure 6 . Calculations or interpretation of results 7 . Documentation 8 . Specification informati

29、on Annex A - Single vs . multiple measurements Annex B - Peak identification algorithm for cycle counting . Annex C - Fourier analysis theoretical background . Annex D - Symbology . Annex E - Comparison between FOTP-113 and IEC, ISO, and ITU requirements . Annex F - PMD intercomparison results and o

30、bservations Annex G - References . iii 1 3 3 5 6 7 12 13 14 16 19 23 25 26 30 i Copyright Electronic Industries Alliance Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,- STD-EIA TIA-455-lL3-ENGL 1997 E 3234600 Ob37373 170 W TIA

31、/EIA-455-113 Figure 1 . Schematic diagram of equipment (typical) . Figure 2 - Typical data obtained in measuring PMD Figure 3 - PMD using Fourier analysis 31 32 33 II Copyright Electronic Industries Alliance Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted

32、without license from IHS-,-,-STD*EIA TIA-455-333-ENGL 1997 3234600 Ob17374 027 H TINEIA-455-1 13 FOTP-I 13 Polarization-mode dispersion measurement for single-mode optical fibers by the fixed analyzer method Foreword (This Foreword is informative only and is not part of this Standard.) This FOTP is

33、from TIA Standards Proposal No. 31 52, formulated under the cognizance of TIA F0-6.6, Subcommittee on Optical Fibers and Materials. This FOTP is part of the series of test procedures included within Recommended Standard EIMIA-455. There are seven annexes, all of which are informative. Key words: ana

34、lyzer, dispersion, polarization, optical fi bers. * 111 Copyright Electronic Industries Alliance Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-STD-EIA TIA-455-113-ENGL 1997 3234600 Ob37175 Tb3 W TINEIA-455-1 13 1. Introductio

35、n 1.1 Intent This test method describes a procedure for measuring the polarization-mode dispersion (PMD) of single-mode optical fibers. It produces a single measurement value that represents the PMD over the measurement wavelength range of typically a few hundred nanometers. The method can be applie

36、d to both short and long fibers in the limits of both zero and strong polarization mode coupling. Under some circumstances, repeated measurements are necessary to achieve satisfactory precision using this FOTP - see Annex A. The procedure is restricted to wavelengths greater than or equal to that at

37、 which the fiber is effectively single-mode. 1.2 Background PMD causes an optical pulse to spread in the time domain; this dispersion could impair the performance of a system. The effect can be related to differential phase and group velocities and corresponding differential arrival times 6r for dif

38、ferent polarization components of the signal. PMD is a major cause of changes in the state of polarization with wavelength, an effect which provides the basis for this FOTP. For a sufficiently narrow band source, this effect can be related to a differential group delay (DGD) time AT between pairs of

39、 orthogonally polarized principal states of polarization (PSP). In long fiber spans, PMD is a random effect since it depends on the details of the birefringence along the entire fiber length. It is also sensitive to time-dependent temperature and mechanical perturbations on the fiber. For this reaso

40、n, a useful way to characterize PMD in long fibers is in terms of the expected value given by the RMS pulse broadening, or the mean DGD between PSPs. In principle, the expected value does not undergo large changes for a given fiber from day to day or from source to source, unlike the parameters 6r o

41、r Ar. In addition, is a useful predictor of lightwave system performance. The term “PMD“ is used both in the general sense of the phenomenon of two polarizations having different group velocities, and in the specific sense of the expected value . The DGD AT or pulse broadening 67 can be averaged ove

42、r wavelength, yielding AT, or time, yielding AT, or temperature, yielding . 1 Copyright Electronic Industries Alliance Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TIMIA-455-1 13 The coupling length I, is the length of fiber

43、 or cable at which appreciable coupling between the two polarization modes begins to occur. If the fiber length L satisfies L scales with fiber length, and the corresponding PMD coefficient is “short-length PMD coefficient = I, regime. In this case scales with the square root of fiber length, and “l

44、ong-length PMD coefficient = -=AT/L . (2) is the average over the measurement wavelength range, as shown in eq (4). in the L = AT, i.e., the PMD equals the DGD. When Fourier analysis is used (6.2), and in the limit of L cc I, is obtained simply from the centroid value of 67 values obtained over the

45、measurement wavelength range. For the L I, limit, -=AT is determined from the second moment of the distribution PT) of 67 values obtained over the measurement wavelength range. Copyright Electronic Industries Alliance Provided by IHS under license with EIANot for ResaleNo reproduction or networking

46、permitted without license from IHS-,-,-STD-EIA TIA-455-113-ENGL 1777 = 3234b00 Ob17177 836 TINEIA-455-1 13 2. Normative references Test or inspection requirements may include, but are not limited to, the following references: (EIAlTIA-455-A) Standards Test Procedures for Fiber Optic Fibers, Cables,

47、Transducers, Sensors, Connecting and Terminating Devices, and other Fiber Optic Components FOTP-57 (EIA-455-57) Optical Fiber End Preparation and Examination FOTP-80 (EIA-455-80) Cutoff Wavelength of Uncabled Single-mode Fiber by Transmiffed Power FOTP-122 (EIA-455-122) Polarization-Mode Dispersion

48、Measurement for Single- Mode Optical fibers by Jones Matrix Eigenanalysis FOTP-170 (EIA-455-170) Cable Cutoff wavelength of Single-mode Fiber by Transmitted Po wer FOTP-I 24 (EIA-455-I 24) Polarizafion-Mode Dispersion Measurernenf for Single- Mode Optical Fibers by Interferornetic Method Users of th

49、is FOTP are encouraged to specify the most recent edition of the FOTPs referenced above. Caution: Do not casually make the decision to require the most recent edition of a referenced FOTP. There have been instances when document revisions have completely changed the intent, application, use, etc., of a document such that the requirement to use an edition