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Writing up experiences with an open-source transmission grating spectrometer from DVD, paper and camera. A very effective gadget to get hands-on training in spectroscopy!

Practical application: it can be used for example to check the richness of LED lamp spectra in the shops.

Very impressive! Thanks for sharing.

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Bio: I am a researcher working on development of optical atomic clocks. Electronics is my hobby since childhood when my uncle was bringing me old phones ... More »
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