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Definition of the noun optical density
What does optical density mean as a name of something?
- (physics) a measure of the extent to which a substance transmits light or other electromagnetic radiation
Printed dictionaries and other books with definitions for Optical Density
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by Casey Albert Wood
optically denser than the medium conveying the light to it, comparatively little light is reflected; but the more oblique the incidence, the smoother the polish, and the greater the difference between the optical density of the glass and that ...
Including dimensionless numbers and scales by H. G. Jerrard
Optical density This is a number which indicates the light transmission characteristic of a material. If the ratio of the intensity of transmitted light to the incident light is T, then the optical density D is given by D = log101/T. Since T = e ", where O is ...
by John J. McKetta Jr
With metal filter holders, the membrane filter had to be removed to obtain the optical density readings. This method presented the possibility of losing some of the sample. Evaluation of Particle Size The samples collected were evaluated in ...
by Donald Fenna
Thus, for a given substance and thickness, an optical density of 1 means that the emerging transmitted light is 11—0 of the incident, a value 2 that it is 11% of the incident, each unit increase representing a reduction in the light transmitted of ...
by Robert Splinter
The optical density of a medium will be a function of wavelength and has no units .
by John Daintith
optical density A measure of the extent to which a transluscent material prevents the passage of light through it.
Optical density: A property of a transparent material ...
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