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Related Experiment Video

Updated: Jun 11, 2026

Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation
13:02

Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation

Published on: February 25, 2017

Structuring materials with nanosecond laser pulses.

Sami T Hendow1, Sami A Shakir

  • 1Multiwave Photonics, R. Eng. Frederico Ulrich 2650, 4470-605 Maia, Portugal. shendow@multiwavephotonics.com

Optics Express
|July 1, 2010
PubMed
Summary
This summary is machine-generated.

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Investigating laser ablation of silicon and metals reveals that high peak power pulses cause shallow scribes. Longer pulses with lower peak power achieve deeper material removal, driven by temperature-dependent absorption.

Area of Science:

  • Materials Science
  • Laser Physics
  • Surface Engineering

Background:

  • Pulsed fiber lasers are crucial for precise material processing.
  • Understanding laser-material interactions is key to optimizing ablation efficiency.
  • Silicon and various metals are widely used in electronics and manufacturing.

Purpose of the Study:

  • To investigate the ablation characteristics of silicon and metals using a 1064 nm pulsed fiber laser.
  • To explore the influence of laser parameters (pulse energy, peak power, pulse width) on scribe depth and shape.
  • To elucidate the underlying physical mechanisms governing laser ablation efficiency.

Main Methods:

  • Utilizing a 1064 nm pulsed fiber laser with variable pulse energy (up to 0.5 mJ), peak powers (up to 10 kW), and pulse widths (10–250 ns).

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Ultrafast Laser-Ablated Nanoparticles and Nanostructures for Surface-Enhanced Raman Scattering-Based Sensing Applications
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Ultrafast Laser-Ablated Nanoparticles and Nanostructures for Surface-Enhanced Raman Scattering-Based Sensing Applications

Published on: June 16, 2023

Related Experiment Videos

Last Updated: Jun 11, 2026

Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation
13:02

Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation

Published on: February 25, 2017

A Method to Fabricate Disconnected Silver Nanostructures in 3D
05:45

A Method to Fabricate Disconnected Silver Nanostructures in 3D

Published on: November 27, 2012

Ultrafast Laser-Ablated Nanoparticles and Nanostructures for Surface-Enhanced Raman Scattering-Based Sensing Applications
06:15

Ultrafast Laser-Ablated Nanoparticles and Nanostructures for Surface-Enhanced Raman Scattering-Based Sensing Applications

Published on: June 16, 2023

  • Performing laser ablation experiments on silicon and metallic samples.
  • Employing a simple thermal model to analyze the experimental results and predict ablation behavior.

    • Main Results:

    • Demonstrated that high peak power pulses result in shallow penetration depths.
    • Observed that longer pulses with lower peak powers yield higher material removal rates and deeper scribes.
    • Identified a nonlinear increase in the absorption coefficient of materials with rising temperature as the critical factor.

    Conclusions:

    • Laser ablation performance is highly sensitive to the interplay between peak power, pulse width, and material properties.
    • Material removal efficiency can be tailored by adjusting laser pulse parameters.
    • Temperature-dependent absorption is a fundamental mechanism controlling laser ablation in silicon and metals.