Compact spectrometer for computer-assisted recording of emission spectra and absorption spectra in the UV range and the visible range, light inlet through freely movable optical fibres.
Inside the spectrometer the light is split up by means of a fixed grating and projected onto a silicon CCD array. The intensity of all wavelengths is measured simultaneously, thus allowing measurement of even rapidly changing processes such as flame tests.
For absorption measurements first of all a reference spectrum is measured, then one of the absorbers to be studied in the light-path. The software calculates the difference and therefrom values such as transmission, absorption, etc.
Typical experiments are emission spectra, e.g. gas discharge (in particular mercury), flame test experiments, or absorption spectra together with an external light source, e.g. for filters.
With fibre holder (
460 251) also suitable on an optical bench.
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