Demonstration of Correlation Peak Profiling in Frequency Correlated Brillouin Optical Time Domain Analysis

Somepalli, Bhargav; Venkitesh, Deepa; Srinivasan, Balaji

doi:10.1364/acpc.2015.asu2a.137

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2017

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“…Such spatial mapping of the correlation profile is the key objective of our work. We recently proposed the spatial profiling of correlation in BOCDA by appropriately pulsing the pump [19].…”

Section: Introductionmentioning

confidence: 99%

Spatial mapping of correlation profile in Brillouin optical correlation domain analysis

Somepalli¹,

Venkitesh²,

Srinivasan³

2017

Meas. Sci. Technol.

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We report an approach to spatially map the correlation profile along the sensing fiber in Brillouin optical correlation domain analysis by pulsing the pump radiation. Simulations are carried out to demonstrate the influence of frequency modulation parameters of a narrow linewidth source on the width of the correlation profile and its peak position. The simulation results are validated through controlled experiments. The correlation profile is mapped over 1 km long fiber with spatial resolution of 1 m, limited only by the finite lifetime of acoustic phonons in the silica fiber.

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Section: Introductionmentioning

confidence: 99%

Spatial mapping of correlation profile in Brillouin optical correlation domain analysis

Somepalli¹,

Venkitesh²,

Srinivasan³

2017

Meas. Sci. Technol.

View full text Add to dashboard Cite

show abstract

Demonstration of Correlation Peak Profiling in Frequency Correlated Brillouin Optical Time Domain Analysis

Abstract: We propose a combination of frequency correlation and temporal gating techniques to map the correlation peaks, investigate their tunability through simulations and experiments. Correlation peaks in 1 km fiber are tracked with 100 ns pulses.

Cited by 1 publication

References 3 publications

Spatial mapping of correlation profile in Brillouin optical correlation domain analysis

Spatial mapping of correlation profile in Brillouin optical correlation domain analysis

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