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a collection of photos by Eric Chesak

www.ericchesak.com

  1. Galleries
  2. DIY

Fiber Spectrometer II

Conversion of 1800l/mm to 600 l/mm
Read More
  • Machining the OD

    Machining the OD

  • Rotary Axis on the Bridgeport

    Rotary Axis on the Bridgeport

  • Untitled photo
  • Taking very light cuts here

    Taking very light cuts here

  • Roughly finished, except for trim

    Roughly finished, except for trim

  • Trimming to final size

    Trimming to final size

  • Needs a little de-burring, but finished

    Needs a little de-burring, but finished

  • Untitled photo
  • The  Fiber spectrometer to be modified

    The Fiber spectrometer to be modified

  • Internals with the 1800lpm grating

    Internals with the 1800lpm grating

  • Detail of the grating

    Detail of the grating

  • New Grating mount test fit

    New Grating mount test fit

  • Checking  blaze direction on the original grating

    Checking blaze direction on the original grating

  • Untitled photo
  • Untitled photo
  • The new grating

    The new grating

    Grating Wavelength Range Resolution 1800 l/mm 365 - 600 nm 1 nm 1800 l/mm 500 - 700 nm 1 nm 900 l/mm 365 - 910 nm 2 nm 600 l/mm 365 - 1100 nm 3 nm

  • Using a Laser for Initial Alignment

    Using a Laser for Initial Alignment

  • Alignment Beam on Linear CCD

    Alignment Beam on Linear CCD

  • My ONLY can of Flat Black Paint

    My ONLY can of Flat Black Paint

    A very old can, which worked perfectly

  • Looks like I bought it at Kmart for a buck 97

    Looks like I bought it at Kmart for a buck 97

  • Original Grating & Custom Storage Cylinder

    Original Grating & Custom Storage Cylinder

  • Original Grating in Custom Storage Cylinder

    Original Grating in Custom Storage Cylinder

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

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    IMG_8077.JPG
    IMG_8078.JPG
    The new grating