Abstract
Based on hybrid molecular dynamics/two-temperature simulations, we study the validity of the application of Lambert-Beer’s law, which is conveniently used in various modeling approaches of ultra-short pulse laser ablation of metals. The method is compared to a more rigorous treatment, which involves solving the Helmholtz wave equation for different pulse durations ranging from 100 fs to 5 ps and a wavelength of 800 nm. Our simulations show a growing agreement with increasing pulse durations, and we provide appropriate optical parameters for all investigated pulse durations.
Funding: Deutsche Forschungsgemeinschaft, Funder Id: 10.13039/501100001659, Grant Number: SFB 716, subproject B5.
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©2018 THOSS Media & De Gruyter, Berlin/Boston
Artikel in diesem Heft
- Cover and Frontmatter
- Views
- Disruptive: making lenses in a foundry
- Community
- News
- Topical Issue: Ultrafast Laser Matter Interaction
- Editorial
- The ultrafast laser is gearing up to become a tool for high-precision mass production – opportunities and challenges
- Review Articles
- Ablation dynamics – from absorption to heat accumulation/ultra-fast laser matter interaction
- Heat input and accumulation for ultrashort pulse processing with high average power
- Residual heat generated during laser processing of CFRP with picosecond laser pulses
- Ultrafast Bessel beams: advanced tools for laser materials processing
- Research Articles
- Residual heat during laser ablation of metals with bursts of ultra-short pulses
- Model of the final borehole geometry for helical laser drilling
- Atomistic simulations of ultra-short pulse laser ablation of aluminum: validity of the Lambert-Beer law
Artikel in diesem Heft
- Cover and Frontmatter
- Views
- Disruptive: making lenses in a foundry
- Community
- News
- Topical Issue: Ultrafast Laser Matter Interaction
- Editorial
- The ultrafast laser is gearing up to become a tool for high-precision mass production – opportunities and challenges
- Review Articles
- Ablation dynamics – from absorption to heat accumulation/ultra-fast laser matter interaction
- Heat input and accumulation for ultrashort pulse processing with high average power
- Residual heat generated during laser processing of CFRP with picosecond laser pulses
- Ultrafast Bessel beams: advanced tools for laser materials processing
- Research Articles
- Residual heat during laser ablation of metals with bursts of ultra-short pulses
- Model of the final borehole geometry for helical laser drilling
- Atomistic simulations of ultra-short pulse laser ablation of aluminum: validity of the Lambert-Beer law