Abstract

The geometrical factors governing light-scattering from rectangular and cylindrical cells are discussed. It is shown that the effect of refraction is to introduce a factor n−2 in the intensity measured in those cases where the receiver does not see past the edges of the primary beam. This is true irrespective of whether the cell is rectangular or cylindrical.

If the receiver does see past the edges of the beam, the formulas for the amount of light received become more complicated.

In connection with the expressions derived, the most preferable dimensions of the receiver slits are discussed.

© 1951 Optical Society of America

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Equations (30)

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