Wijethunga, M.V.; Abeywickrama, S.S.; Perera, H.A.D.S.D.
(Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2021-02-17)
A low-cost and high-resolution spectrometer was developed as a substitute for the very expensive spectrometers available in the market, for the analysis of spectra in the visible region. Collimated light from standard ...