अपवर्तन-की-अनुक्रमणिका इसके अंग्रेजी अर्थ का उदाहरण

CR-39 plastic has an index of refraction of 1.

An example is the initial lens described by Pendry, which uses a slab of material with a negative index of refraction as a flat lens.

Effects of negative index of refraction .

However, if the interface is between a material with a positive index of refraction and another material with a negative index of refraction, the wave will appear on the same side of the normal.

From permittivity "ε" and magnetic permeability "µ" an index of refraction "n" is derived.

The index of refraction determines how light is bent on traversing from one material to another.

The angle of the bend is determined by the index of refraction and has always been positive until the fabrication of artificial negative index materials.

Moreover, lenses that improve image resolution by increasing the index of refraction are limited by the availability of high-index materials, and point by point subwavelength imaging of electron microscopy also has limitations when compared to the potential of a working superlens.

where n_p is the index of refraction of the prism.

It can be calculated from the beam's vacuum wavelength λ0, the radius of curvature R of the phase front, the index of refraction n (n1 for air), and the beam radius w (defined at 1/e2 intensity), according to:.

This is possible because the Kerr effect causes an index of refraction change in the medium, resulting in self-focusing of the beam.

where n is the index of refraction of the lens material, and R1 and R2 are the radii of curvature of the two surfaces.

Optical fibers typically include a core surrounded by a transparent cladding material with a lower index of refraction.