Controlling ultrafast laser writing with pulse temporal contrast

Huijun Wang,Yuhao Lei,Gholamreza Shayeganrad,Peter G. Kazansky

2023 Conference on Lasers and Electro-Optics (CLEO)（2023）

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摘要

The effect of temporal contrast of femtosecond laser pulses on nanostructuring of silica glass is demonstrated. Nanopore-based modifications are created with a contrast of 10 ⁷ , while stronger birefringence is observed with reduced contrast of 10 ³ .

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