1. The refractive index of a material medium
1.1 Definitions
The speed of light in a vacuum is referred to as c. A constant for all electromagnetic radiation, its value, agreed at the 17th General Conference on Weights and Measures on October 20, 1983, is 299,792,458 m/s. This conventional value made it possible to redefine the metre as the length travelled by light in a vacuum in a time, in fractions of a second, equal to the inverse of the above number.
When propagating in a vacuum, light of frequency ν has wavelength λ 0 such that :
Passing through a homogeneous transparent...
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Mechanical and dimensional measurements
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The refractive index of a material medium
References
Manufacturers and distributors (France)
(Non-exhaustive list)
Ateliers Cloup. http://www.cloup.fr
Carl Zeiss (Germany) distributed by : Carl Zeiss SA. http://www.zeiss.com
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