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1. CN108369154 - METHOD OF QUALIFYING WIDE-BAND MULTIMODE FIBER FROM SINGLE WAVELENGTH CHARACTERIZATION USING EMB EXTRAPOLATION, CORRESPONDING SYSTEM AND COMPUTER PROGRAM

Office China
Application Number 201580085434.9
Application Date 17.12.2015
Publication Number 108369154
Publication Date 03.08.2018
Grant Number 108369154
Grant Date 14.08.2020
Publication Kind B
IPC
G01M 11/00
GPHYSICS
01MEASURING; TESTING
MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
11Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
CPC
G01M 11/338
GPHYSICS
01MEASURING; TESTING
MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
11Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
30Testing of optical devices, constituted by fibre optics or optical waveguides
33with a light emitter being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face
338by measuring dispersion other than PMD, e.g. chromatic dispersion
G01M 11/335
GPHYSICS
01MEASURING; TESTING
MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
11Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
30Testing of optical devices, constituted by fibre optics or optical waveguides
33with a light emitter being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face
335using two or more input wavelengths
G02B 6/0288
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6Light guides
02Optical fibre with cladding ; with or without a coating
028with core or cladding having graded refractive index
0288Multimode fibre, e.g. graded index core for compensating modal dispersion
H04B 10/0775
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
10Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
07Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
075using an in-service signal
077using a supervisory or additional signal
0775Performance monitoring and measurement of transmission parameters
H04B 10/2581
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
10Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
25Arrangements specific to fibre transmission
2581Multimode transmission
Applicants DRAKA COMTEQ BV
德拉克通信科技公司
Inventors MOLIN DENIS
D·莫林
DE JONGH KOEN
K·德容
BIGOT MARIANNE
M·比戈
SILLARD PIERRE
P·斯拉德
Agents 北京林达刘知识产权代理事务所(普通合伙) 11277
Title
(EN) METHOD OF QUALIFYING WIDE-BAND MULTIMODE FIBER FROM SINGLE WAVELENGTH CHARACTERIZATION USING EMB EXTRAPOLATION, CORRESPONDING SYSTEM AND COMPUTER PROGRAM
(ZH) 鉴定光纤带宽和选择光纤的系统、方法和介质
Abstract
(EN)
The present disclosure concerns a method of qualifying an effective bandwidth of a multimode optical fiber at a first wavelength [lambda]1; using DMD data of the fiber measured a second wavelength [lambda]2. Data representative of a Radial Offset Delay, a Radial Offset Bandwidth and a Relative Radial Coupled Power of the fiber are derived from the DMD data at the second wavelength [lambda]2. A transformation is performed on the ROD data and ROB data at the second wavelength [lambda]2 to obtain corresponding ROD data and ROB data at the first wavelength [lambda]1. An effective bandwidth of thefiber at the second wave- length [lambda]2 is computed using the ROD data and the ROD data at the first wavelength [lambda]1 and the P DMD data at the second wavelength [lambda]2.

(ZH)
本发明涉及用于进行以下步骤的方法:使用在第二波长λ2处测量到的该光纤的DMD数据来鉴定多模光纤在第一波长λ1处的有效带宽。根据第二波长λ2处的DMD数据来推导表示该光纤的径向偏移延迟、径向偏移带宽和相对径向耦合功率的数据。对第二波长λ2处的ROD数据和ROB数据进行变换,以获得相应的第一波长λ1处的ROD数据和ROB数据。使用第一波长λ1处的ROD数据和ROB数据以及第二波长λ2处的PDMD数据来计算该光纤在第二波长λ2处的有效带宽。