attosecond

Also known as as

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.

Key facts

Unit.quantity: time
Unit.name: attosecond
Unit.symbol: as
Unit.standard: SI
Unit.units1: SI units

via Wikipedia infobox

Wikidata facts

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conversion to SI unit: 0.000000000000000001
unit symbol: as
Wikidata SPARQL query equivalent: wd:Q2483628 p:P2370/psn:P2370 [wikibase:quantityAmount ?source; wikibase:quantityUnit ?base]. ?item p:P2370/psn:P2370 [wikibase:quantityAmount ?target; wikibase:quantityUnit ?base]. BIND(?source / ?target as ?value)

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Article

8 sections

Contents

Common measurements
Historical development
Applications
Need for more precise units
Directly observing the wave oscillations of light
Short pulses of light
See also
References

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.

An attosecond is to a second, as a second is to approximately 31.69 billion years.