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Related Experiment Video

Updated: May 25, 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

Ultrafast laser-induced microstructure/nanostructure replication and optical properties.

Paul O Caffrey1, Barada K Nayak, Mool C Gupta

  • 1Charles L. Brown Department of Electrical and Computer Engineering, University of Virginia, Charlottesville, Virginia 22904, USA.

Applied Optics
|February 15, 2012
PubMed
Summary
This summary is machine-generated.

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Laser Fabrication and Comparative Study of Planoconcave and Planoconvex Microlenses on Fused Silica and Sapphire.

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This study replicates micro/nano surface textures on poly(dimethylsiloxane) (PDMS) using laser-induced methods. The process improves light trapping and reduces reflectance by over 55% on silicon surfaces.

Area of Science:

  • Materials Science
  • Optics
  • Surface Engineering

Background:

  • Ultrafast laser-induced surface texturing creates micro/nano features.
  • Replicating these textures on polymers like poly(dimethylsiloxane) (PDMS) is challenging.
  • Improved light trapping is crucial for optical applications.

Purpose of the Study:

  • To demonstrate replication of ultrafast laser-induced micro/nano surface textures on PDMS.
  • To develop efficient methods for microtexturing PDMS surfaces.
  • To investigate the optical properties of replicated PDMS microtextures.

Main Methods:

  • Replication using a simple mold method.
  • Replication using an embossing method.
  • Optical characterization of replicated surfaces.

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Direct Imaging of Laser-driven Ultrafast Molecular Rotation
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Direct Imaging of Laser-driven Ultrafast Molecular Rotation

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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: May 25, 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

Direct Imaging of Laser-driven Ultrafast Molecular Rotation
10:52

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

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

Main Results:

  • Successful replication of laser micro/nano textured silicon and titanium surfaces onto PDMS.
  • Optical characterization confirmed agreement with model predictions.
  • Replicated PDMS films suppressed surface reflectance by over 55% on silicon.

Conclusions:

  • Replication of laser-induced surface textures on PDMS is feasible.
  • The developed methods reduce processing steps for microtexturing.
  • Replicated PDMS surfaces show significant potential for light trapping and reflectance reduction.