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Spectral WorkBench
by Public Lab



What is Spectral Workbench? SpectralWorkbench.org is a web based application to collect, archive, share, and analyze spectral data, for Public Lab DIY spectrometers and other spectrometers. With it, you can: connect your USB Desktop Spectrometry Kit. scan and save samples. Try out the application with upload or capture image.







Requesting camera access...
(Firefox, Opera or Chrome on Android, or Bowser on iOS). Please click "Allow" when prompted, or try the Upload interface.

Point your spectrometer at a light and click on the video above to choose a cross-section as shown below. (Learn more »)

horizontal spectrum example image

Auto-select Sample Row Flip image Rotate


This display shows the last few seconds of data, descending. The top, newest row of pixels is used by default to generate the graph. This can be changed later.

Using calibration:

Switch calibration

Label and annotate your spectrum so that you can find and analyze it later.

Good tagging can be extremely helpful; if you are doing a set of tests, consider tagging them all with a consistent tag name like "oliveoil" or "detergent".

Save this spectrum

You must be logged in to save spectra.


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By uploading your data, you agree to release it under the Creative Commons Zero license