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A Protocol for Real-time 3D Single Particle Tracking
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Portable optical particle (0.06 microm) counter.

K Suda1, T Handa

  • 1Central Research Laboratory, Hitachi Ltd., Kokubunji, Tokyo, 185, Japan.

The Review of Scientific Instruments
|July 1, 1979
PubMed
Summary

A new portable optical counter uses a Helium-Neon (He-Ne) laser to measure particle sizes from 0.06 to 10 micrometers in situ. This device offers improved in-situ particle size analysis for various applications.

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Area of Science:

  • Optical physics
  • Particle science
  • Instrumentation engineering

Background:

  • Accurate particle size measurement is crucial for many scientific and industrial processes.
  • Existing methods may lack portability or in-situ capabilities.
  • Development of advanced particle counters is an ongoing need.

Purpose of the Study:

  • To develop and present an improved portable optical counter.
  • To enable in-situ measurement of particle size distribution.
  • To utilize a Helium-Neon (He-Ne) laser for enhanced detection.

Main Methods:

  • An optical counter was designed and improved for portability.
  • A Helium-Neon (He-Ne) laser with 8 mW output was employed as the light source.
  • The system was calibrated to measure particles in the size range of 0.06 to 10 micrometers.

Main Results:

  • The portable optical counter successfully measured particles in situ.
  • The device demonstrated capability for particle sizes ranging from 0.06 to 10 micrometers.
  • The use of an 8 mW He-Ne laser facilitated accurate detection within this size range.

Conclusions:

  • The improved portable optical counter provides a viable tool for in-situ particle size analysis.
  • The system's portability and measurement range make it suitable for diverse field applications.
  • This instrument advances the field of real-time particle characterization.

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