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Opt Lett. 1997 Feb 15;22(4):233-5.

Light-emitting diodes as measurement devices for femtosecond laser pulses.

Abstract

We present results showing that, when it is used as a photodetector, a light-emitting diode (LED) has a power-dependent response that can be used for sensitive detection and characterization of picosecond and femtosecond laser pulses. A characterization of a typical LED is presented at 800 nm, and we demonstrate how this effect can be used to construct an extremely compact novel autocorrelator based on a Wollaston prism.

PMID:
18183160
[PubMed]
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