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Optical Density

Definition of the noun optical density

What does optical density mean as a name of something?

noun

  1. (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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Google previewThe American Encyclopedia and Dictionary of Ophthalmology (1919)

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 ...

Google previewDictionary of Scientific Units (2012)

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 ...

Google previewEncyclopedia of Chemical Processing and Design (1997)

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 ...

Google previewA Dictionary of Weights, Measures, and Units (2002)

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 ...

Google previewIllustrated Encyclopedia of Applied and Engineering Physics, Three-Volume Set (2017)

by Robert Splinter

The optical density of a medium will be a function of wavelength and has no units .

Google previewThe Facts on File Dictionary of Physics, Fourth Edition (2009)

by John Daintith

optical density A measure of the extent to which a transluscent material prevents the passage of light through it.

Google previewBlackie’s Dictionary of Physics

by Blackie

Optical density: A property of a transparent material ...

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