Threshold-Governed Inversion of Plasma Chronology at Air–Silicon Interfaces Under Tight Femtosecond Focusing

The sequencing of laser-induced plasma formation in multi-material systems is fundamentally governed by the interplay between material ionization thresholds and laser temporal characteristics. This study uncovers a counterintuitive phenomenon where silicon plasma precedes air filamentation at air–si...

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Bibliographic Details
Main Authors: Xian-An Dou, Xin Li, Qing Ye, Yuntao Xie
Format: Article
Language:English
Published: MDPI AG 2025-06-01
Series:Photonics
Subjects:
Online Access:https://www.mdpi.com/2304-6732/12/6/574
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