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A Low-Cost Spectrometer for Instructional Purposes

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2 Author(s)

The construction of a spectrometer designed for instructional purposes is described. The component parts cost approximately $20. The resolution is better than 0.01 micron in the neighborhood of 1 micron. The use of the spectrometer for student instruction in optical properties of semiconductors is described, and a typical experimental transmission spectrum obtained with the spectrometer on a silicon sample is included.

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Education, IEEE Transactions on  (Volume:11 ,  Issue: 4 )