Photonics Dictionary: R

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transmitted x

R x

radiophotograph

A photograph transmitted by radio waves.

Raman effect

When light is transmitted through matter, part of the light is scattered in random directions. A small part of the scattered light has frequencies removed from the frequency of the incident beam by...

Raman laser -> Raman effect

Raman scattering -> Raman effect

Rayleigh interferometer

A device that is used to determine the index of refraction of a gas or liquid through the interference patterns formed by two beams of light, one of which has been transmitted by the sample. A single...

regular transmittance

The part of incident flux that is transmitted with no scattering.

repeater -> optical repeater

In an optical fiber or waveguide communications system, an optoelectronic device or module that receives an optical signal, converts this optical signal to an electrical signal which is then...

Risley prism

A Risley prism, also known as a Risley prism pair or Risley rotating prism, is an optical device used for controlling the direction of a laser beam or other optical beam by independently rotating two...

Photonics DictionaryR

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