Charging titanium microparticles with femtosecond laser pulses.

A.A. Sergeev, A.S. Boreysho

Research output: Contribution to conferenceAbstract


The article presents experimental results on charging free-falling particles of titanium dust about 40 microns in size using femtosecond laser pulses, as well as comparing the results with earlier studies on particle charging by nanosecond laser pulses. The results include the ratio of the achieved charge of dust particles under various conditions: beam size, energy, and laser pulse duration. The problems of multiphoton ionization, the degree of nonlinear process, and the quantum efficiency of femtosecond charging are discussed.
Original languageEnglish
StatePublished - 2020
Externally publishedYes


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