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March 8, 2026Optics & Laser TechnologyOpen Access

Enhancement of ultrashort laser pulses absorption in glass using single MHz burst

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Authors

BABaptiste De AzevedoJSJesse SchifflerTEThierry Engel

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Overview

Demonstrates improved laser absorption in glass using burst mode, suggesting efficient material processing methods.

Key Points

  • This research investigates how burst mode affects the absorption of ultrashort laser pulses in glass.
  • Investigated burst mode effects on ultrashort laser pulse absorption in glass.
  • Conducted optical transmission microscopy to observe material modifications.
  • Tested 40 µJ bursts with varying pulse quantities and intra-burst frequency of 40 MHz.
  • Burst mode significantly enhances material modifications compared to single-pulse irradiation.
  • There is an optimal number of pulses for achieving maximum modifications, after which effectiveness decreases.
  • Achieved glass-to-glass welding with burst mode at energies insufficient for single pulses.

Cite This Study

Azevedo et al. (2026) studied this question.

synapsesocial.com/papers/69ada90bbc08abd80d5bc5bahttps://doi.org/10.1016/j.optlastec.2026.115022
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