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Acoustic diagnostics of femtosecond laser filamentation
Binpeng Shang, Nan Zhang, Pengfei Qi +3
The promising application of femtosecond laser filamentation in atmospheric remote sensing brings imperative demand for diagnosing the spatiotemporal dynamics of filamentation. Aco…
Femtosecond Laser Filamentation in Atmospheric Turbulence
Jiewei Guo, Lu Sun, Yuezheng Wang +7
The effects of turbulence intensity and turbulence region on the distribution of femtosecond laser filaments are experimentally elaborated. Through the ultrasonic signals emitted b…
Coupled air lasing gain and Mie scattering loss: aerosol effect in filament-induced plasma spectroscopy
Jiayun Xue, Zhi Zhang, Yuezheng Wang +8
Femtosecond laser filament-induced plasma spectroscopy (FIPS) demonstrates great potentials in the remote sensing for identifying atmospheric pollutant molecules. Due to the widesp…
Sub-ppb aerosol detection at a distance of 30 meters by millijoule femtosecond laser pulse filamentation in air
Jiewei Guo, Zhi Zhang, Nan Zhang +8
In this work, sub-ppb aerosol detection is achieved by femtosecond laser filament with a single pulse energy of 4 mJ at a distance of 30 m. A concave mirror with an open aperture o…