{"id":{"repo_id":"mit","oai_identifier":"oai:dspace.mit.edu:1721.1/33760"},"canonical_url":"https://search.dev.ndltd.org/etd/mit/oai:dspace.mit.edu:1721.1/33760","repository":{"repo_id":"mit","name":"MIT","base_url":"https://dspace.mit.edu/oai/request"},"display":{"title":"Visible spectrometer utilizing organic thin film absorption","abstract":"In this thesis, I modeled and developed a spectrometer for the visible wavelength spectrum, based on absorption characteristics of organic thin films. The device uses fundamental principles of linear algebra to reconstruct spectral components of a signal from the transmission through an organic thin film. Best possible performance of the device is characterized, effects of noise and filtering techniques are observed, and results from several organic films are tested. 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