An attosecond (abbreviated as as) is a unit of time in the International System of Units (SI) equal to 10 −18 or 1 ⁄ 1 000 000 000 000 000 000 (one quintillionth) of a second.

Oct 4, 2023 · “Atto” is the scientific notation prefix that represents 10 -18, which is a decimal point followed by 17 zeroes and a 1. So a flash of light lasting an attosecond, or 0.000000000000000001 …

Oct 3, 2023 · Attoseconds are a billionth of a billionth of a second. To give a little perspective, there are around as many attoseconds in a single second as there have been seconds in the 13.8-billion year...

Oct 10, 2023 · “Atto” is the scientific notation prefix that represents 10 -18, which is a decimal point followed by 17 zeroes and a 1. So a flash of light lasting an attosecond, or 0.000000000000000001 …

Jul 21, 2025 · An attosecond is one quintillionth of a second, a timescale so brief it is difficult to comprehend. This is the fastest duration humans can currently measure, providing a window into the …

The meaning of ATTOSECOND is one quintillionth (10—18) of a second. How to use attosecond in a sentence.

Jun 24, 2025 · An attosecond is no time at all for a person. Not so for electrons, atoms and molecules. Laser-wielding scientists are revealing the action.

Oct 6, 2023 · An attosecond is one billionth of a billionth of a second. • An attosecond is so short that the number of them in one second is the same as the number of seconds that have elapsed since the …

Apr 28, 2025 · In this Perspective, we provide an overview of the field of attosecond physics and technology for which the 2023 Nobel Prize in Physics was awarded to Pierre Agostini, Ferenc …

Attosecond technology marries fast times (from the attosecond electron or photon pulse) to strong optical fields that are controllable on the same timescale. But the technology is even more...