In a number of procedures of spectroscopic measurements, the time-resolved spectrophotometry has become of increasing importance during the past several years as a tool for examining high temperature plasma, laser, chemical reaction, etc. The technique of high speed spectrophotometry has been advanced in parallel with the progress of radiation detectors and information processing technology. A wide variety of the techniques for presenting the time-resolved spectra including conventional photographic, rapid scanning and stroboscopic methods are classified and illustratively reviewed with particular emphasis placed on current status.
