RU2016130622A - METHOD FOR MEASURING THE EXCESSIVE LENGTH OF THE OPTICAL FIBER IN THE MODULAR TUBE OF THE OPTICAL CABLE - Google Patents

METHOD FOR MEASURING THE EXCESSIVE LENGTH OF THE OPTICAL FIBER IN THE MODULAR TUBE OF THE OPTICAL CABLE Download PDF

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RU2016130622A
RU2016130622A RU2016130622A RU2016130622A RU2016130622A RU 2016130622 A RU2016130622 A RU 2016130622A RU 2016130622 A RU2016130622 A RU 2016130622A RU 2016130622 A RU2016130622 A RU 2016130622A RU 2016130622 A RU2016130622 A RU 2016130622A
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optical fiber
cable
optical
optical cable
negative temperature
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RU2016130622A
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Russian (ru)
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RU2644032C2 (en
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Владимир Александрович Бурдин
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Федеральное государственное бюджетное образовательное учреждение высшего образования "Поволжский государственный университет телекоммуникаций и информатики" (ФГБОУ ВО ПГУТИ)
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00—Investigating or analyzing materials by the use of thermal means
    • G01N25/56—Investigating or analyzing materials by the use of thermal means by investigating moisture content
    • G01N25/58—Investigating or analyzing materials by the use of thermal means by investigating moisture content by measuring changes of properties of the material due to heat, cold or expansion

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  • Testing Of Optical Devices Or Fibers (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Claims (5)

Способ измерения избыточной длины оптического волокна в модульной трубке оптического кабеля, заключающийся в том, что характеристики обратного релеевского рассеяния оптического волокна оптического кабеля модульной конструкции измеряют по крайней мере при двух значениях температуры среды, окружающей кабель, в том числе при низкой отрицательной температуре, и по данным характеристикам определяют оценки избыточной длины оптического волокна в модульной трубке оптического кабеля на регулярных участках при низкой отрицательной температуре, отличающийся тем, что характеристики обратного релеевского рассеяния оптического волокна оптического кабеля модульной конструкции измеряют при положительной и при низкой отрицательной температуре среды, окружающей кабель, а значение избыточной длины оптического волокна в модульной трубке оптического кабеля на регулярном участке при низкой отрицательной температуре, при которой были выполнены измерения, рассчитывают по формуле:A method for measuring the excess length of an optical fiber in a modular tube of an optical cable, namely, that the characteristics of the Rayleigh backscattering of an optical fiber of an optical cable of a modular design is measured at least at two temperatures of the environment surrounding the cable, including at a low negative temperature, and these characteristics determine the estimates of the excess length of the optical fiber in the modular tube of the optical cable in regular sections at low negative temperature ure, characterized in that the characteristics of the reverse Rayleigh scattering of the optical fiber of an optical cable of a modular design are measured at a positive and low negative temperature of the environment surrounding the cable, and the value of the excess length of the optical fiber in a modular tube of an optical cable in a regular section at a low negative temperature, at which measurements were taken, calculated by the formula:
Figure 00000001
Figure 00000001
 где α(T0) - коэффициент затухания оптического волокна, определенный для регулярного участка по характеристике обратного релеевского рассеяния, измеренной при положительной температуре;where α (T 0 ) is the attenuation coefficient of the optical fiber, determined for a regular section by the characteristic of Rayleigh backscattering measured at a positive temperature; α(Ti) - коэффициент затухания оптического волокна, определенный для регулярного участка по характеристике обратного релеевского рассеяния, измеренной при i-й низкой отрицательной температуре;α (T i ) is the attenuation coefficient of the optical fiber, determined for a regular section by the characteristic of Rayleigh backscattering, measured at the ith low negative temperature; В - параметр, постоянный для заданной конструкции кабеля на длине волны, на которой были выполнены измерения.B is a parameter constant for a given cable design at the wavelength at which measurements were made.
RU2016130622A 2016-07-25 2016-07-25 Method for measuring excess optical fibre length in modular tube of optical cable RU2644032C2 (en)

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RU2685066C1 (en) * 2018-02-15 2019-04-16 Федеральное государственное бюджетное образовательное учреждение высшего образования "Поволжский государственный университет телекоммуникаций и информатики" (ФГБОУ ВО ПГУТИ) Method for measuring excess length of optical fiber in an optical cable module
RU197062U1 (en) * 2019-12-26 2020-03-26 федеральное государственное автономное образовательное учреждение высшего образования "Санкт-Петербургский политехнический университет Петра Великого" (ФГАОУ ВО "СПбПУ") HIFU neoplasm thermal ablation robot
RU2763040C1 (en) * 2021-05-24 2021-12-27 Федеральное государственное бюджетное образовательное учреждение высшего образования "Поволжский государственный университет телекоммуникаций и информатики" Method for measuring excess length of optical fiber in an optical cable module

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US4685799A (en) * 1986-01-13 1987-08-11 The United States Of America As Represented By The Secretary Of The Navy Integrated optical time domain reflectometer/insertion loss measurement system
RU107374U1 (en) * 2011-04-25 2011-08-10 Закрытое Акционерное Общество "Симпэк" FIBER OPTICAL CABLE (OPTIONS)
US9423316B2 (en) * 2012-11-28 2016-08-23 Exfo Inc. Optical reflectometer with loss and/or reflectance profile view
RU133301U1 (en) * 2013-06-20 2013-10-10 ЗАО "Лазер Солюшенс" STAND FOR TESTING AND DETERMINING THE PHYSICAL PARAMETERS OF AN OPTICAL CABLE

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