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Author

Qiao-Gen Zhang

2 papers indexed here

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Open access Oct 2026

Coupled Multi-Parameter Optimization of a Differential Resonant Photoacoustic Cell with Impedance-Matched Pickup for Trace Acetylene Detection

The performance of a resonant photoacoustic (PA) cell depends on coupled geometric and acoustic parameters acting through the acoustic field, thermoviscous boundary losses, and the microphone load. Building on established analytical, numerical, and equivalent-circuit rules for PA-cell design, this work develops a syste...

Chao Gao, Jin-Xuan Song, Qiao-Gen Zhang et al. · 0 citations
Open access Oct 2026

Negative discharge characteristics in a long air gap triggered by femtosecond laser filaments

Femtosecond laser filamentation is a promising approach for active lightning protection, laser-triggered switches, and high-voltage gas discharges. For negative-polarity lightning, which dominates natural cloud-to-ground lightning, the strong stochasticity of negative-discharge inception and propagation remains a maj...

Zhe-Hao Pei, Ze-Ru Niu, Xing Fan et al. · 0 citations

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