Heng Qian

Engineering · Physical Sciences

10h-index333citations26works1.42yr avg
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Research Topics

Advanced Fiber Optic Sensors(22), Photonic and Optical Devices(17), Advanced Fiber Laser Technologies(13), Semiconductor Lasers and Optical Devices(4), Optical Network Technologies(3)

Publications26 total

Denoising method for frequency-shift demodulation Φ-OTDR based on SVD-BLF algorithm
2026
Mitigating the impact of laser phase noise and frequency drift in Φ-OTDR with delay-beat differential phase demodulation
Optics Express·2025· 2 citedOpen Access
Dynamic precipitation behavior and mechanical properties of a hot rolled Mg–Zn–Gd alloy
Journal of Materials Research and Technology·2025· 3 citedOpen Access
Phase Demodulation under Ultra-low sampling rate in heterodyne coherent <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si55.svg" display="inline" id="d1e105"><mml:mi>Φ</mml:mi></mml:math>-OTDR
Infrared Physics & Technology·2024· 1 cited
Optical transmission characteristics of Large-tolerance Fiber Collimator
Infrared Physics & Technology·2024· 1 cited
Delay-Beat Differential Phase Demodulation for Laser Phase Noise Immunity in Phase-Sensitive OTDR
2023
Study on optical coupling characteristics of a high-radial-tolerance thick-lens beam expanding fiber collimator
Infrared Physics & Technology·2023· 3 cited
Phase Demodulation under Free Undersampling in Heterodyne Coherent Φ-OTDR
2023
Fading-free Φ-OTDR evaluation based on the statistical analysis of phase hopping
Applied Optics·2022· 32 cited
Long-Range High-Spatial-Resolution Distributed Measurement by a Wideband Brillouin Amplification-Boosted BOCDA
Journal of Lightwave Technology·2022· 14 cited
Fading-Free Φ-OTDR With Multi-Frequency Decomposition
IEEE Sensors Journal·2021· 19 cited
Hybrid aperiodic coding for SNR improvement in a BOTDA fiber sensor
Optics Express·2021· 17 citedOpen Access
Frequency splicing code-based Brillouin optical time domain collider for fast dynamic measurement
Optics Express·2021Open Access
DWI-Assisted BOTDA for Dynamic Sensing
Journal of Lightwave Technology·2021· 3 cited
Distributed dynamic strain sensing in coherent Φ-OTDR with a pulse conversion algorithm
Optics Letters·2021· 13 cited
Suppression of the Interference Fading in Phase-Sensitive OTDR With Phase-Shift Transform
Journal of Lightwave Technology·2020· 76 cited
Phase Demodulation Based on DCM Algorithm in Φ-OTDR With Self-Interference Balance Detection
IEEE Photonics Technology Letters·2020· 40 cited
Enhanced range of the dynamic strain measurement in phase-sensitive OTDR with tunable sensitivity
Optics Express·2019· 67 citedOpen Access
Phase Demodulation Method in Phase-Sensitive OTDR Based on Direct Detection
2019 Asia Communications and Photonics Conference (ACP)·2019
Efficient Demodulation of Brillouin Phase Spectra and Performance Enhancement in BOTDA Incorporating Phase Noise Elimination
Journal of Lightwave Technology·2019· 4 cited
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Frequent Co-authors

Lianshan Yan(16), Haijun He(14), Bin Luo(13), Wei Pan(13), Xinpu Zhang(11), Yin Zhou(8), Xihua Zou(8), Haijun He(4), Liyang Shao(4), Zonglei Li(3), Zonglei Li(3), Zhengang Zhao(3), Chuan Li(3), Jiawei Liang(2), Can Liu(2), Jia Ye(2), Wending Zhang(2), Maojiang Cui(2), Chengli Li(2), Xinyu Fan(1)