In the past two decades Brillouin-based sensors have emerged as a newly-developed
optical fiber sensing technology for distributed temperature and strain measurements …

In this paper, a phase-sensitive optical time domain reflectometry (Φ-OTDR) based on
Rayleigh enhanced optical fiber is proposed to improve the system signal-to-noise ratio …

Brillouin optical time‐domain reflectometry (BOTDR) is a branch of distributed fibre‐optic
sensors, and it can measure the strain and the temperature information, localised by the …

In this paper technique is employed in a Brillouin optical time domain reflectometry (BOTDR)
using a Brillouin ring laser (BRL) as a local oscillator. In the wavelength diversity technique …

In this work, a regression method is implemented on a low-cost digital temperature sensor to
improve the sensor's accuracy; thus, following the EN12830 European standard. This …

摘要布里渊光时域反射(BOTDR) 技术作为温度和应变测量的分布式光纤传感技术,
具有广阔的前景和巨大的应用潜力. 与基于其他原理的传感技术相比, BOTDR 拥有准确性高 …

We propose and experimentally validate a wavelength diversity technique combined with a
passive depolarizer in order to improve the performance of Brillouin optical time domain …

In this paper, we demonstrate sensing range improvement of Brillouin optical time-domain
reflectometry (BOTDR) using an inline erbium-doped fibre amplifier to compensate the …

The sensing range of Brillouin distributed fiber sensors (BDFS) is typically in the order of
tens of kilometers due to the attenuation of the optical fiber and restricted input pump power …

The sensing performance in Brillouin-based distributed fiber sensors is ultimately depends
on the signal-to-noise ratio (SNR) of the received signal. In order to enhance the SNR, thus …