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A Sampling Technique for the Photoelectric Detection of Pulsed Spectra

Volume 30, Number 3 (June 1976) Page 358-359

Colles, M.J.; Walrafen, G.E.

The advantages of optical delay lines for time resolution of spectra were demonstrated by Topp et al. Subsequently, Duguay and Savage used fibers, arranged behind a fast optical shutter, as delay lines for examination of different time positions of an optical signal processed by the shutter. The fibers were cut with increasing length such that when the output ends were directed onto a signal detector time differences on a picosecond scale at the input end could be recorded at nanosecond speeds with a conventional oscilloscope.