Effect of burst mode modulation ultrashort pulse laser on the laser processing transparent dielectrics

The effect of ultrashort pulse modulation on the formation of a modified zone of a transparent dielectric was investigated. The use of a femtosecond fiber laser in burst mode made it possible to control the energy that enters the processed material and thereby influence the geometry of the modificat...

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Published in:Laser physics letters 2024-02, Vol.21 (2), p.25601
Main Authors: Murzakov, M A, Evtikhiev, N N, Grezev, N V, Kataev, D M, Shchekin, A S
Format: Article
Language:English
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femtosecond fiber laser
laser welding of glass
modified zone
pulse modulation
ultrashort pulse
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Grezev, N V
Kataev, D M
Shchekin, A S
description The effect of ultrashort pulse modulation on the formation of a modified zone of a transparent dielectric was investigated. The use of a femtosecond fiber laser in burst mode made it possible to control the energy that enters the processed material and thereby influence the geometry of the modification zone. In the course of the study, various types of pulses were tested—linear, sinusoidal, exponential, etc. It was noted that pulse modulation significantly affects the shape of the modified zone. Energy thresholds have been determined that lead to internal defects in the form of cracks.
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source Institute of Physics:Jisc Collections:IOP Publishing Read and Publish 2024-2025 (Reading List)
subjects femtosecond fiber laser
laser welding of glass
modified zone
pulse modulation
ultrashort pulse
title Effect of burst mode modulation ultrashort pulse laser on the laser processing transparent dielectrics
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