The Improvement of high-resolution DVD spectroscope and the development of teaching materials on spectroscopy

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The DVD spectroscope that had been developed by the author several years ago (F. Wakabayashi, J. Chem. Educ., 1998) was improved for its utilization to the science education. Its resolution became much better than before and acquiring spectra became much easier than before. The author showed that spectra of reasonably good quality can be observed using a very cheap WEB camera. This method is very convenient for the educational purpose because the image of observed spectrum can be projected on the screen in real time and can be simultaneously recorded in PC. The recorded spectrum image can be immediately analyzed numerically using ImageJ and spreadsheet software. Thus spectrum chart can be easily obtained using very cheap and common equipment. The examples of obtained spectra are shown in this report.