TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

MIE THEORY [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2010-09-02

English

Subject field(s)
  • Medical Instruments and Devices
  • Cytology
CONT

In the present literature on ektacytometry small angle light scattering by ellipsoidal red blood cells is commonly approximated by Fraunhofer diffraction. Calculations on a sphere with the size and relative refractive index of a red cell, however, show that Fraunhofer diffraction deviates significantly from exact Mie theory. Anomalous diffraction is found to be a much better approximation. The anomalous diffraction theory is used to calculate the intensity distribution of the light scattered by an allipsoidally deformed red blood cell. The derived expression shows that the ellipticity of isointensity curves in forward scattered light are equal to the ellipticity of the red blood cell. The theoretical expression is fitted to the intensity patterns measured with an ektacytometer. For the small observation angles used in ektacytometry, the experimental results confirm the validity of the anomalous diffraction approach.

French

Domaine(s)
  • Instruments et appareillages médicaux
  • Cytologie
DEF

Appareil permettant de mesurer la déformabilité cellulaire par une méthode diffractométrique.

Spanish

Campo(s) temático(s)
  • Instrumental médico
  • Citología
Save record 1

Record 2 1985-06-17

English

Subject field(s)
  • Range Measurements (Telecommunications)

French

Domaine(s)
  • Mesures à distance (Télécommunications)

Spanish

Save record 2

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