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Related Concept Videos

Super-resolution Fluorescence Microscopy01:37

Super-resolution Fluorescence Microscopy

Super-resolution fluorescence microscopy (SRFM) provides a better resolution than conventional fluorescence microscopy by reducing the point spread function (PSF). PSF is the light intensity distribution from a point that causes it to appear blurred. Due to PSF, each fluorescing point appears bigger than its actual size, and it is the PSF interference of nearby fluorophores that causes the blurred image. Various approaches to achieving higher resolution through SRFM have recently been developed.

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Related Experiment Video

Updated: May 10, 2026

Patterned Photostimulation with Digital Micromirror Devices to Investigate Dendritic Integration Across Branch Points
09:30

Patterned Photostimulation with Digital Micromirror Devices to Investigate Dendritic Integration Across Branch Points

Published on: March 2, 2011

Single-pulse multiphoton polymerization of complex structures using a digital multimirror device.

Benjamin Mills1, James A Grant-Jacob, Matthias Feinaeugle

  • 1Optoelectonics Research Centre, University of Southampton, Southampton, SO17 1BJ, UK. bm602@orc.soton.ac.uk

Optics Express
|June 22, 2013
PubMed
Summary
This summary is machine-generated.

This study introduces a fast multiphoton polymerization technique using a digital multimirror device for intricate 2µm structures. Sub-micron features were achieved with multiple pulses, advancing high-resolution 3D patterning.

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Area of Science:

  • Materials Science
  • Optics and Photonics
  • Nanotechnology

Background:

  • Multiphoton polymerization (MPP) is a key technique for high-resolution 3D microfabrication.
  • Achieving complex structures with sub-micron resolution often requires advanced optical setups and precise control.

Purpose of the Study:

  • To develop a rapid and efficient method for patterning complex microstructures using multiphoton polymerization.
  • To demonstrate the capability of achieving high resolution, including sub-micron features, with a novel approach.

Main Methods:

  • Utilized a single ultrashort laser pulse in conjunction with a digital multimirror device (DMD) for spatial intensity modulation.
  • Employed multiphoton polymerization to fabricate structures based on the modulated laser intensity patterns.
  • Investigated the effect of using multiple consecutive pulses to achieve finer features.

Main Results:

  • Demonstrated a rapid patterning technique for complex structures with approximately 2µm resolution.
  • Successfully achieved sub-micron features by employing ten consecutive ultrashort pulses.
  • The use of DMD enabled precise spatial control over the polymerization process.

Conclusions:

  • The presented technique offers a fast and versatile approach for high-resolution 3D microfabrication.
  • The combination of ultrashort pulses and DMD-based spatial modulation is effective for creating intricate micro- and nanoscale structures.
  • This method holds promise for applications requiring precise 3D patterning of materials.