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Thermal Noise Limits for Optical Time Domain Reflectometry

We derive fundamental thermodynamic limits on the strain resolution of a class of fiber optic distributed acoustic sensing (DAS) techniques based on optical time domain reflectometry. The results indicate a lower limit of around 10 -14 strain/√Hz for a 2 m long (10 ns) optical pulse. These limits indicate that interrogation of unmodified fiber optic cable is unlikely to achieve sensing performance approaching that of engineered acoustic sensors.

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Judul Seri

JOURNAL OF LIGHTWAVE TECHNOLOGY; Vol.39 No.8 April 15 2021

No. Panggil

-

Penerbit

: .,

Deskripsi Fisik

p. 2514 - 2521

Bahasa

English

ISBN/ISSN

-

Klasifikasi

-

Tipe Isi

-

Tipe Media

-

Tipe Pembawa

-

Edisi

-

Subjek

OPTICAL FIBER SENSORS
RAYLEIGH SCATTERING
REFLECTOMETRY

Info Detail Spesifik

DOI: 10.1109/JLT.2021.3052192

Pernyataan Tanggungjawab

Scott Foster

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