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a collection of photos by Eric Chesak

www.ericchesak.com

  1. Galleries
  2. DIY

Laser Micrometer

Read More
  • Laser Micrometer Layout

    Laser Micrometer Layout

  • Laser Micrometer Layout-Labeled

    Laser Micrometer Layout-Labeled

  • Output Beam

    Output Beam

  • Scanned Laser Beam

    Scanned Laser Beam

  • Collimated Measurement  Area

    Collimated Measurement Area

  • Converging Beam After Measurement Area

    Converging Beam After Measurement Area

  • Converging Beam near Photodiode

    Converging Beam near Photodiode

  • Power Supplies & Measurement Equipment

    Power Supplies & Measurement Equipment

  • DVM & O-Scope

    DVM & O-Scope

    DVM measuring frequency. Oscilloscope pulse measurement

  • First data set measuring drill bits

    First data set measuring drill bits

    The scanner appears to have a little instability in the RPM, creating a small pulsation of the data. Therefore the data is somewhat noisy. Some investigation will be done on the polygon scanner and maybe try another polygon laser scanning unit.

  • Dataset #2

    Dataset #2

    This set shows some non-linearity of the larger diameter parts. This is likely due to non-optimal collimation of the test area. The pulse width is measured by a duty factor measurement on a DMM. A true millisecond pulse width counter would help discriminate the noise better.

  • VIDEO 1

    VIDEO 1

  • Updated Layout

    Updated Layout

  • VIDEO 2

    VIDEO 2

Unless otherwise noted, all Photos, Images and Videos are Copyright C. Eric Chesak
Unauthorized use is prohibited

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