et

AN

1 symbol

Terminological databases

Metroloogia terminibaas

ID 1142941 Last modified 31.05.2026
View dataset
View dataset
Domain metrologymeasuring instruments
avaarv preferred
AN
  • poolnurkava nurga siinus korrutatuna ümbritseva keskkonna murdumisteguriga n
  • sine of the half aperture angle multiplied by the refractive index n of the surrounding medium
avaarv preferred
Usage examples
  • Tavaliselt määratakse avaarv lainepikkuse jaoks, mis asub mõõtmisel saadud optilise mõõteribalaiuse keskel.
apertuurarv
AN symbol
numerical aperture
Usage examples
  • Typically the numerical aperture is specified for the wavelength that is in the middle of the measurement optical bandwidth.
AN symbol

Word forms not available

Etymology not available

Related words not available

Search the same word

in the EU's IATE term base
Searching web examples...
Searching translated usage examples...