Alekseev A E, Vdovenko V S, Gorshkov B G, Potapov V T, Simikin D E A phase-sensitive optical time-domain reflectometer with dual-pulse diverse frequency probe signal. Laser Physics , 2015 , 25 (6). 065101. ISSN 1054-660X
Полный текст не доступен из этого репозитория.Аннотация
In the present communication we propose a novel approach to the realization of a phase sensitive optical time-domain reflectometer (OTDR) which is capable of a precise reconstruction of the phase signal which impacts the arbitrary point of a fiber-optic line. The method uses a dual-pulse probe signal with diverse carrier optical frequency within each half of the double pulse. The quasi-periodic intensity pattern which emerges as a result of double frequency backscattered signal interference contains the information of the external action over the fiber. The phase signal is extracted with the aid of an I/Q quadrature demodulation scheme, realized at the receiving side of the OTDR. The feasibility and limitations of the proposed scheme are theoretically proved and experimentally demonstrated.
| Тип объекта: | Статья |
|---|---|
| Авторы на русском. ОБЯЗАТЕЛЬНО ДЛЯ АНГЛОЯЗЫЧНЫХ ПУБЛИКАЦИЙ!: | Алексеев А.Э., Вдовенко В.С., Горшков Б.Г., Потапов В.Т., Симкин Д.Е. |
| Подразделения (можно выбрать несколько, удерживая Ctrl): | 278 лаб. радиофизических измерений |
| URI: | http://cplire.ru:8080/id/eprint/172 |
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