Recent Examples of picosecond from the Web
Ytterbium is highly stable, so ytterbium atomic clocks are accurate past the nanosecond scale, all the way to the picosecond and femtosecond scale (1/1,000,000,000,000,000th of a second).
The result is that a pulse generator with a 14-bit digital-to-analog converter and a temporal resolution of 1 nanosecond can change the timing between the centers of pulses by just a picosecond or so.
This has been the biggest breakthrough for laser technology in 20 years as the picoseconds release their energy in one trillionth of a second, breaking up the bonds of the tattoo ink into very fine particles.
In recent years, a variety of picosecond lasers have become commercially available.
The whole process, the paper claims, happens in less than 5 picoseconds, or 5 trillionths of a second.
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