Ví dụ về việc sử dụng Index of refraction trong Tiếng anh và bản dịch của chúng sang Tiếng việt
{-}
-
Colloquial
-
Ecclesiastic
-
Computer
N= mean index of refraction.
These fibers have a fiber core with a constant index of refraction.
Effective group index of refraction(Neff) 1310 nm 1.466.
It is designed from birefringent material in different thickness range that depends on the dimension of the crystal,the light wavelength, and index of refraction.
Index of Refraction has been calculated for many materials, so you don't need to guess.
And here is how the Fresnel IOR or Index of Refraction works.
For example, the index of refraction of CR-39 plastic is 1.498, which mean light travels roughly 50 percent slower through CR-39 plastic than it does through a vacuum.
It is known that the silicate particles have a real index of refraction ranging between 1.5 and 1.6 for visible light.
For example, the index of refraction of CR-39 plastic is 1.498, which mean light travels roughly 50 percent slower through CR-39 plastic than it does through a vacuum.
If the curvature of a surface of a lens is C and the index of refraction is n, the optical power is φ=(n- 1)C.
The index of refraction, a number used in physics to describe how light propagates through a particular substance, is an important property of volcanic ash.
With n{\displaystyle n} being the material's index of refraction(not the Bravais index of refraction for inclined rays).
AR coating options: LiF can be AR coated for use in the infrared,but generally without much improvement in transmission due to its low index of refraction and already high transmission.
Zinc sulfide displays a high level of the index of refraction homogeneity and offers imaging uniformity across the 3-12 micron waveband.
For example, Veltmann(1870) demonstrated that Fresnel's formula implies that the aether would have to be dragged bydifferent amounts for different colors of light, since the index of refraction depends on wavelength;
SINGLE-MODE FIBER has a narrow core(eight microns or less), and the index of refraction between the core and the cladding changes less than it does for multimode fibers.
The index of refraction for both of the glasses used in the bulletproof layers must be almost the same to keep the glass transparent and allow a clear, undistorted view through the glass.
In addition to choosing a lens material that has a high index of refraction, another way to give your lenses a slimmer, more attractive profile is to choose an aspheric design.
Many users of PBR believe that controlling the reflectivity of an object should all be done through metalness values between 0 and1, and that the Index of Refraction(IOR) value is a constant for all materials;
Lead oxide added to the molten glassgives lead crystal a much higher index of refraction than normal glass, and consequently much greater"sparkle" by increasing specular reflection and the range of angles of total internal reflection.
Armacell JIOS Aerogel pipe insulation products Aerogels are an amazing material safe light and many times more insulating than what we are using now Aerogels are typically characterized bylow density solid low optical index of refraction low….
Properties that were predicted by ACD/Labs showed 2 H bond acceptors,3 Freely rotating bonds, index of refraction at 1.592 with a surface tension of 42.5299987792969 dyne/cm, a flash point of 121.377 °C and a boiling point of 277.085 °C at 760 mmHg.
In the physical sciences, a phase is a region of space(a thermodynamic system), throughout which all physical properties of a material are essentially uniform.[1][2]: 86[3]:3 Examples of physical properties include density, index of refraction, magnetization and chemical composition.
Properties that were predicted by ACD/Labs showed 2 H bond acceptors, 1 H bond donor,3 Freely rotating bonds, index of refraction at 1.529 with a surface tension of 37.459 dyne/cm, a flash point of 136.924 °C and a boiling point of 302.791 °C at 760 mmHg.
This may be modified by adding low-density materials such as boron,which lowers the index of refraction(see crown glass), or increased(to as much as 1.8) with high-density materials such as(classically) lead oxide(see flint glass and lead glass), or in modern uses, less toxic oxides of zirconium, titanium, or barium.
Ordinary glass has a refractive index of n= 1.5;the addition of lead produces an index of refraction of up to 1.7.[1] This heightened refractive index also raises the correlating index of dispersion, which measures the degree to which a medium separates light into its component spectra, as in a prism.
He proposed that such a medium could be made by carving out voids in a transparent material to create a periodic structure, analogous to a crystal lattice,with the material and the voids having different indices of refraction(different speeds of light).
Benzyl alcohol has nearly the same refraction index of quartz and wool fibre.
The refraction index of ice(1.31) is lower than that of liquid water.