et

valgustusnurk

1 substantive

Terminological databases

EKI terminibaas Esterm

ID 713208 Last modified 30.12.2004
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Domain opticsland transport
  • the angle between the axis of reference and the straight line connecting the centre of reference to the centre of the source of illumination
valgustusnurk
illumination angle

Metroloogia terminibaas

ID 1143230 Last modified 09.06.2026
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Domain metrologymeasuring procedures
valgustusnurk preferred
valgustuse nurkvahemik
angular range of illumination
α
  • nurkvahemik, mille ulatuses mõõteobjekti pind on valgustatud
  • angular range from which the sample/specimen is illuminated
valgustusnurk preferred
Usage examples
  • Valgustusnurk mõjutab optiliselt siledatel pindadel maksimaalset mõõdetavat kallet.
valgustuse nurkvahemik
Usage examples
  • Mikroskoobi jaoks on valgustuse nurkvahemik optilise telje suhtes sümmeetriline.
α symbol
angular range of illumination
Usage examples
  • The angular range of illumination affects the maximum measurable slope on optically smooth surfaces.
  • For a microscope, the angular range of illumination is symmetrical about the optical axis.
α symbol

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