Browsing by Author "Frazão, O."

Coherent noise reduction in high visibility phase-sensitive optical time domain reflectometer for distributed sensing of ultrasonic waves

Fidalgo Martins, Hugo

; Martín López, Sonia

; Corredera, Pedro; Filograno, M. L.; Frazão, O.; [et al.] (2013)

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

Fidalgo Martins, Hugo

; Martín López, Sonia

; Filograno, M. L.; Corredera, Pedro; Frazão, O.; [et al.] (2014-06-02)

Distributed vibration sensing over 125 km with enhanced SNR using Phi-OTDR over a URFL cavity

Fidalgo Martins, Hugo

; Martín López, Sonia

; Corredera, Pedro; Ania Castañón, Juan Diego; Frazão, O.; [et al.] (2015-06-15)

Fiber optic sensing system for temperature and gas monitoring in coal waste pile combustion environments

Viveiros, D.; Ribeiro, J.; Ferreira, J.; López-Aldaba, A.; Pinto, A.M.R.; [et al.] (2015-09-28)

High visibility phase-sensitive optical time domain reflectometer for distributed sensing of ultrasonic waves

Fidalgo Martins, Hugo

; Martín López, Sonia

; Corredera, Pedro; Filograno, M. L.; Frazão, O.; [et al.] (2013-05-19)

High-sensitivity dispersive Mach–Zehnder interferometer based on a dissimilar-doping dual-core fiber for sensing applications

Fidalgo Martins, Hugo

; Bierlich, J.; Wondraczek, K.; Unger, S.; Kobelke, J.; [et al.] (2014-05)

In-line Mach-Zehnder interferometer based on a dissimilar-doping dual-core fiber for high sensitivity strain and temperature sensing

Fidalgo Martins, Hugo

; Bierlich, J.; Wondraczek, K.; Unger, S.; Kobelke, S.; [et al.] (2014-06-02)

Modulation instability-induced fading in phase-sensitive optical time-domain reflectometry

Fidalgo Martins, Hugo

; Martín López, Sonia

; Corredera, Pedro; Salgado, P.; Frazão, O.; [et al.] (2013-03-15)

Modulation instability-induced visibility fading in phase-sensitive OTDR

Fidalgo Martins, Hugo

; Martín López, Sonia

; Corredera, Pedro; Salgado, P.; Frazão, O.; [et al.] (2013-05-19)

Phase-sensitive optical time domain reflectometer assisted by first-order raman amplification for distributed vibration sensing over >100 km

Fidalgo Martins, Hugo

; Martín López, Sonia

; Corredera, Pedro; Filograno, M. L.; Frazão, O.; [et al.] (2014-04-15)