A microprocessor-controlled apparatus for the measurement of pulsed spectra

Computer Science

Scientific paper

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Electronic Control, Mercury Lamps, Microprocessors, Optical Emission Spectroscopy, Pulsed Radiation, Data Management, Display Devices, Flash Lamps, Fluorescence, Raman Spectroscopy, Signal Detection, Signal Processing, Subroutines

Scientific paper

Using the spectra of a mercury lamp as a test case, a simple and relatively inexpensive microprocessor-controlled apparatus is used to measure pulsed emission spectra by determining averages for a given number of pulses taken at each data point. At the end of every averaging cycle, a stepping motor drives the system's monochromator to the next point, and an on-line display of the spectrum is given during measurement by means of an oscilloscope. The parameters required for the acquisition of the spectra, such as number of points, space between points and number of samples to be averaged for each point, are set by the operator by means of a teletype connected to the microcomputer.

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