Research 42.0 [Femtosecond Laser Pulse Interaction with Droplets and Time Resol. Scattering Dynamic]
Автор: Instruments for Particle & Spray Characterisation
Загружено: 2026-01-12
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This video demonstrates how an ultrashort femtosecond laser pulse interacts with a single droplet, revealing the temporal separation of scattering orders and their modes.
Thanks to the extreme brevity of a femtosecond pulse (1 fs = 10⁻¹⁵ s), different light scattering paths—such as reflection, refraction, and higher-order modes—can be resolved individually in time. In just 1 femtosecond, light travels only about 300 nanometers, roughly the size of a virus or 1/100th the thickness of a human hair.
This ultra-high temporal resolution is only possible because the laser pulse is so short. If the pulse were longer, all scattering orders and modes would overlap in time, making it impossible to distinguish them individually.
By using femtosecond pulses, this technique allows researchers to analyze complex scattering behaviors in droplets with unprecedented precision—offering new insights into droplet composition, structure, and dynamics.
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![Research 42.0 [Femtosecond Laser Pulse Interaction with Droplets and Time Resol. Scattering Dynamic]](https://imager.clipsaver.ru/hOXumistEfc/max.jpg)
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