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Laser-induced Forward Transfer of Ag Nanopaste
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Note: Fast compact laser shutter using a direct current motor and three-dimensional printing.

Grace H Zhang1, Boris Braverman1, Akio Kawasaki1

  • 1Department of Physics, MIT-Harvard Center for Ultracold Atoms and Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.

The Review of Scientific Instruments
|January 3, 2016
PubMed
Summary
This summary is machine-generated.

This study introduces a 3D-printed mechanical laser shutter using a DC motor for precise light beam control. The reliable design demonstrates high-speed switching and exceptional durability over 100 million cycles.

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Area of Science:

  • Optomechanics
  • Mechanical Engineering
  • 3D Printing Technology

Background:

  • Laser systems require precise control of light beams.
  • Existing mechanical shutters can be complex or lack durability.
  • Need for reliable, high-speed, and cost-effective shutter solutions.

Purpose of the Study:

  • To design and develop a novel mechanical laser shutter.
  • To utilize 3D printing for rapid prototyping and fabrication.
  • To evaluate the performance and reliability of the developed shutter.

Main Methods:

  • Computer-Aided Design (CAD) for shutter components.
  • 3D printing for fabricating the shutter body and blade.
  • Integration of a direct current (DC) electric motor for blade actuation.
  • Use of rubber flaps to dampen vibrations and oscillations.

Main Results:

  • Achieved a switching speed of (1.22 ± 0.02) m/s at nominal voltage.
  • Demonstrated a 1 ms activation delay and 10 μs timing jitter.
  • Exhibited high reliability with no failure over 10^8 cycles.

Conclusions:

  • The 3D-printed mechanical laser shutter is simple, reliable, and easy to replicate.
  • The design offers high-speed performance and exceptional long-term durability.
  • This shutter is suitable for applications requiring precise and robust light beam modulation.