picosecond
Noun
Meaning
one trillionth (10^-12) of a second; one thousandth of a nanosecond
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Examples
A molecule rotates about 1 radian per picosecond in a fluid, thus this loss occurs at about 10 11 Hz (in the microwave region).
In 1984, the first photoconductive antennas for picosecond electromagnetic radiation were demonstrated by Auston and others.
This allows the observation of coupling between different vibrational modes; because of its extremely fine time resolution, it can be used to monitor molecular dynamics on a picosecond timescale.