attosecond
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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
- Instance of
- SI derived unit
Show 3 more facts
- 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)
Sources (3)
via Wikidata · CC0
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Encyclopedic overview
8 sectionsContents
- 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.
Excerpted from Wikipedia’s “attosecond” article, available under the CC BY-SA 4.0 licence.