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Smartphone spectrometer

29 Sep 22:17 37,522 views | Last edited by tonyc 4 months ago | shortlink
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This page refers to a product no longer sold by the kits department. Plans still exist but item is discontinued in favor of the desktop spectrometer and the foldup spectrometer. This info is here for archive purposes only.

The final instructions (as sent to press) are here:

smartphone-spec-instructions-p1-1.0.pdf

smartphone-spec-instructions-p2.pdf

List of parts

  • 3 injection molded plastic (ABS) parts
  • 2 short screws
  • 2 long screws
  • black paper liner
  • diffraction grating
  • protective film
  • precision printed slit
  • jewelers screwdriver

Design files

This being open hardware (CERN OHL 1.1), here are the files:

PublicLaboratory_Mobile_Spectrometer_v31.zip

These are also on Thingiverse: http://www.thingiverse.com/thing:116610

And here is a more 3D-printable version by Brad Dudenhoffer:

http://www.thingiverse.com/thing:125428

Order a 3D print on Shapeways here: https://www.shapeways.com/model/976427/public-lab-smartphone-spectrometer.html

Instructions

spec-instructions-1.png

spectrometer-instructions-p2-good.png


Sketchup model: smartphone-spec-overview.skp

Mathew's Assembly Run

  • 3 injection molded plastic (ABS) parts
  • 2 short screws
  • 2 long screws
  • 1 short black paper liner (5cm x 4cm)
  • 1 long black paper liner (5cm x 8cm)
  • 6 5cm lengths of double-sided tape
  • 1 5cm black foam tape
  • diffraction grating (5cm x 4.4cm) *protective film I did without-- this extra step increases the chances of damaging the grating in order to protect it.
  • precision printed slit
  • jewelers screwdriver
  • razor blade

See full image set here

backpack spectrometer assembly take 2

spec.gif

Adhesive options

Here's a list of other adhesives and tape strips which may be helpful in assembling and mounting the spectrometer. Some may be shipped in the kits:

Photos

Photos of the assembly process.

IMG_1052.JPG

IMG_1043.JPG

IMG_1053.JPG

IMG_1054.JPG

IMG_1044.JPG

IMG_1046.JPG

IMG_1045.JPG

IMG_1048.JPG

IMG_1056.JPG


Tags: spectrometer smartphone-spectrometer instructions parent:spectrometer