fluence
Americannoun
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fluences
plural
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Physics. a measure of either the amount of energy or the number of photons or other particles received per unit area of an irradiated surface (often used in a medical context).
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Optics. a measure of the density of a laser beam, expressed as the amount of radiant energy per unit area delivered to a surface.
Other Word Forms
Noun Inflected Forms
Example Sentences
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To improve efficacy and reduce complications from such laser treatment, an Osaka Metropolitan University-led research group has developed an index of the threshold energy density, known as fluence, and the dependent wavelength for picosecond lasers.
From Science Daily ● Mar. 27, 2024
At a distance of 40 Mpc, this fluence corresponds to a γ-ray isotropic equivalent energy Eiso ≈ 4.3 × 1046 erg.
From Nature ● Oct. 15, 2017
GRB170817A had a fluence of 2.2 × 10−7 erg cm−2 in the 10–1,000 keV energy range, as observed by the Fermi-GBM.
From Nature ● Oct. 15, 2017
The atomic oxygen concentration was estimated from the absorption cross section of O at 157 nm and the laser fluence.
From Science Magazine ● Dec. 15, 2011
One whose mind can be softened by harmony and whose feelings are so evidently alive to the in fluence of sweet sounds, should not decry the pleasures of virtue.
From The Red Rover by Cooper, James Fenimore
The data were collected in two separate experimental sessions, using different excitation wavelengths and excitation energy fluences; each experiment was repeated with practically identical results.
From Nature ● Mar. 28, 2017
Interest, 37; importance in judge and expert, 38; how aroused in wit- nesses, 39; and attention, 39; in- fluences conception, 381.
From Criminal Psychology; a manual for judges, practitioners, and students by Gross, Hans Gustav Adolf
Her sentiments were trite and undigested, but were decorated with all the fluences and melodies of elocution.
From Ormond, Volume II (of 3) or, The Secret Witness by Brown, Charles Brockden
Clearness, and brightness, 199; in- fluences of background on, 199.
From Criminal Psychology; a manual for judges, practitioners, and students by Gross, Hans Gustav Adolf
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
