A new type of optical frequency domain reflectometry is demonstrated. Optical carrier frequency is swept so that a phase of the backscattered light is shifted. Then, an interference output of the backscattered light is Fourier transformed. The farther the scattering point locates, the faster the phase of the backscattered light changes. Hence, the Fourier spectrum of the interference output displays the fault distribution along a wave-guide. In the present scheme, the theoretical resolution is inversely proportional to the frequency sweeping range of the optical source and is given by
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Yoh IMAI, Keigo IIZUKA, Masaaki IMAI, "OFDR Diagnostics by a Phase Change Detection" in IEICE TRANSACTIONS on Communications,
vol. E75-B, no. 4, pp. 281-284, April 1992, doi: .
Abstract: A new type of optical frequency domain reflectometry is demonstrated. Optical carrier frequency is swept so that a phase of the backscattered light is shifted. Then, an interference output of the backscattered light is Fourier transformed. The farther the scattering point locates, the faster the phase of the backscattered light changes. Hence, the Fourier spectrum of the interference output displays the fault distribution along a wave-guide. In the present scheme, the theoretical resolution is inversely proportional to the frequency sweeping range of the optical source and is given by
URL: https://global.ieice.org/en_transactions/communications/10.1587/e75-b_4_281/_p
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@ARTICLE{e75-b_4_281,
author={Yoh IMAI, Keigo IIZUKA, Masaaki IMAI, },
journal={IEICE TRANSACTIONS on Communications},
title={OFDR Diagnostics by a Phase Change Detection},
year={1992},
volume={E75-B},
number={4},
pages={281-284},
abstract={A new type of optical frequency domain reflectometry is demonstrated. Optical carrier frequency is swept so that a phase of the backscattered light is shifted. Then, an interference output of the backscattered light is Fourier transformed. The farther the scattering point locates, the faster the phase of the backscattered light changes. Hence, the Fourier spectrum of the interference output displays the fault distribution along a wave-guide. In the present scheme, the theoretical resolution is inversely proportional to the frequency sweeping range of the optical source and is given by
keywords={},
doi={},
ISSN={},
month={April},}
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TY - JOUR
TI - OFDR Diagnostics by a Phase Change Detection
T2 - IEICE TRANSACTIONS on Communications
SP - 281
EP - 284
AU - Yoh IMAI
AU - Keigo IIZUKA
AU - Masaaki IMAI
PY - 1992
DO -
JO - IEICE TRANSACTIONS on Communications
SN -
VL - E75-B
IS - 4
JA - IEICE TRANSACTIONS on Communications
Y1 - April 1992
AB - A new type of optical frequency domain reflectometry is demonstrated. Optical carrier frequency is swept so that a phase of the backscattered light is shifted. Then, an interference output of the backscattered light is Fourier transformed. The farther the scattering point locates, the faster the phase of the backscattered light changes. Hence, the Fourier spectrum of the interference output displays the fault distribution along a wave-guide. In the present scheme, the theoretical resolution is inversely proportional to the frequency sweeping range of the optical source and is given by
ER -