scholarly journals Comparison of the use of first and second-order Raman amplification to assist a phase-sensitive optical time domain reflectometer in distributed vibration sensing over 125 km

2014 ◽  
Author(s):  
H. F. Martins ◽  
S. Martin-Lopez ◽  
M. L. Filograno ◽  
P. Corredera ◽  
O. Frazão ◽  
...  
Keyword(s):  
Time Domain ◽  
Second Order ◽  
Raman Amplification ◽  
Optical Time Domain Reflectometer ◽  
Vibration Sensing ◽  
Phase Sensitive ◽  
Optical Time ◽  
Time Domain Reflectometer

scholarly journals Phase-sensitive Optical Time Domain Reflectometer Assisted by First-order Raman Amplification for Distributed Vibration Sensing Over >100 km

2014 ◽  
Vol 32 (8) ◽  
pp. 1510-1518 ◽  
Author(s):  
Hugo F. Martins ◽  
Sonia Martin-Lopez ◽  
Pedro Corredera ◽  
Massimo L. Filograno ◽  
Orlando Frazao ◽  
...  
Keyword(s):  
Time Domain ◽  
Raman Amplification ◽  
First Order ◽  
Optical Time Domain Reflectometer ◽  
Vibration Sensing ◽  
Phase Sensitive ◽  
Optical Time ◽  
Time Domain Reflectometer

scholarly journals Phase-sensitive correlation optical time-domain reflectometer using quantum phase noise of laser light

2015 ◽  
Vol 23 (23) ◽  
pp. 30347 ◽  
Author(s):  
A. Arias ◽  
M.G. Shlyagin ◽  
S.V. Miridonov ◽  
Rodolfo Martinez Manuel
Keyword(s):  
Phase Noise ◽  
Time Domain ◽  
Laser Light ◽  
Quantum Phase ◽  
Optical Time Domain Reflectometer ◽  
Phase Sensitive ◽  
Optical Time ◽  
Time Domain Reflectometer

A phase-sensitive optical time-domain reflectometer with dual-pulse diverse frequency probe signal

Laser Physics ◽  
2015 ◽  
Vol 25 (6) ◽  
pp. 065101 ◽  
Author(s):  
A E Alekseev ◽  
V S Vdovenko ◽  
B G Gorshkov ◽  
V T Potapov ◽  
D E Simikin
Keyword(s):  
Time Domain ◽  
Probe Signal ◽  
Optical Time Domain Reflectometer ◽  
Phase Sensitive ◽  
Optical Time ◽  
Time Domain Reflectometer
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