Microwave photonics for featured applications in high-speed railways: communications, detection, and sensing
Nowadays, the microwave photonics (MWP) concept has been evolved from laboratory tests
to practical applications, and related techniques have been widely deployed in many fields …
to practical applications, and related techniques have been widely deployed in many fields …
Precise Brillouin gain and phase spectra measurements in coherent BOTDA sensor with phase fluctuation cancellation
In order to cancel phase fluctuation induced Brillouin gain spectrum (BGS) and Brillouin
phase spectrum (BPS) distortions, a new scheme with phase fluctuation cancellation (PFC) …
phase spectrum (BPS) distortions, a new scheme with phase fluctuation cancellation (PFC) …
DBA-based BOTDA using optical comb pump and pulse coding with a single laser
HQ Chang, XH Jia, XL Ji, C Xu, L Ao… - IEEE Photonics …, 2016 - ieeexplore.ieee.org
We proposed and demonstrated a new structure, which employs a single laser in Brillouin
optical time-domain analysis sensor assisted by distributed Brillouin amplification. This …
optical time-domain analysis sensor assisted by distributed Brillouin amplification. This …
[PDF][PDF] 基于布里渊光时域分析传感系统的格雷-差分脉冲混合编码技术
罗源， 闫连山， 邵理阳， 李宗雷， 潘炜， 罗斌 - Acta Optica Sinica, 2016 - researching.cn
摘要鉴于布里渊光时域分析(BOTDA) 传感系统中空间分辨率和传感距离存在相互制约的关系,
提出了一种结合格雷(Golay) 编码技术与差分脉冲对(DPP) 技术的混合编码方法 …
提出了一种结合格雷(Golay) 编码技术与差分脉冲对(DPP) 技术的混合编码方法 …
Overcoming EDFA slow transient effects in a combined Golay coding and coherent detection BOTDA sensor
C Liu, L Yan, Z Li, Y Zhou, X Zhang, W Pan, B Luo - Optics Express, 2019 - opg.optica.org
Firstly, Erbium-doped fiber amplifier (EDFA) served as pre-amplifier may distort Brillouin
gain spectrum (BGS) in coded Brillouin optical time domain analysis sensor. Here, we found …
gain spectrum (BGS) in coded Brillouin optical time domain analysis sensor. Here, we found …