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Related Experiment Video

Updated: Jun 15, 2026

Construction of a High Resolution Microscope with Conventional and Holographic Optical Trapping Capabilities
09:12

Construction of a High Resolution Microscope with Conventional and Holographic Optical Trapping Capabilities

Published on: April 22, 2013

Note: Toward multiple addressable optical trapping.

Alexei R Faustov1, Michael R Webb, David R Walt

  • 1Department of Chemistry, 62 Talbot Avenue, Tufts University, Medford, Massachusetts 02155, USA.

The Review of Scientific Instruments
|March 3, 2010
PubMed
Summary
This summary is machine-generated.

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Researchers developed an addressable optical trapping system using a digital micromirror device to create precise traps in microfluidic cells. This foundational single-trap setup paves the way for advanced multiple-trap instruments.

Area of Science:

  • Physics
  • Engineering
  • Biotechnology

Background:

  • Optical trapping utilizes focused laser beams to manipulate microscopic objects.
  • Microfluidic devices enable precise control over small fluid volumes.
  • Digital Micromirror Devices (DMDs) offer reconfigurable optical functionalities.

Purpose of the Study:

  • To demonstrate a novel setup for addressable optical trapping.
  • To establish a foundational system for creating multiple optical traps.
  • To integrate DMD technology with microfluidics for advanced manipulation.

Main Methods:

  • A laser source was focused onto a Digital Micromirror Device (DMD).
  • The DMD directed the laser beam to generate an optical trap within a microfluidic cell.

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Use of Dual Optical Tweezers and Microfluidics for Single-Molecule Studies

Published on: November 18, 2022

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Last Updated: Jun 15, 2026

Construction of a High Resolution Microscope with Conventional and Holographic Optical Trapping Capabilities
09:12

Construction of a High Resolution Microscope with Conventional and Holographic Optical Trapping Capabilities

Published on: April 22, 2013

Optical Trapping of Nanoparticles
13:39

Optical Trapping of Nanoparticles

Published on: January 15, 2013

Use of Dual Optical Tweezers and Microfluidics for Single-Molecule Studies
06:53

Use of Dual Optical Tweezers and Microfluidics for Single-Molecule Studies

Published on: November 18, 2022

  • A single-beam, single-micromirror, single-trap configuration was implemented.

    • Main Results:

    • Proof-of-principle for addressable optical trapping was successfully achieved.
    • The system demonstrated the ability to generate a stable three-dimensional optical trap.
    • The developed setup serves as a basis for scalable multi-trap systems.

    Conclusions:

    • The integration of DMDs with microfluidics provides a versatile platform for optical trapping.
    • This technology enables precise, addressable manipulation at the microscale.
    • The foundational single-trap system is a critical step towards developing complex multi-trap instruments.