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Nanosensors
book

Nanosensors

by Vinod Kumar Khanna
April 2016
Intermediate to advanced content levelIntermediate to advanced
666 pages
22h 57m
English
CRC Press
Content preview from Nanosensors
173Nanosensor Laboratory
the shortest distance between two points on a specimen that can be distin-
guished by the observer or camera system as separate entities. The Numerical
Aperture of a lens (a number that expresses the ability of a lens to resolve ne
detail in an object being observed) is
NA = nsin θ (3.29)
where
n is the refractive index of the working medium
θ is the half-angle of the maximum cone of light that can enter or exit the
lens
Diffraction is the change in the directions and intensities of a group of
waves after passing by an obstacle or through an aperture whose size is
approximately the same as the wavelength of ...
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Publisher Resources

ISBN: 9781439827130