Photonics Dictionary: R

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radio frequency x

R x

radio frequency

The frequency range for radio and television transmission.

radio-frequency discharge laser

A gas laser in which the electrodes are mounted perpendicular to the optical resonator.

radio-frequency light source

A very uncommon lamp in which a tungsten electrode is heated to incandescence by a radio-frequency electrical current.

radio-frequency linear accelerator

A device used to accelerate the electrons in a free-electron laser by channeling microwave energy into waveguide cavity assemblies.

radio astronomy

The detection and analysis of naturally formed extraterrestrial electromagnetic radiation within the radio frequency range of the spectrum.

radio telescope

An instrument designed to collect naturally formed extraterrestrial electromagnetic radiation within the radio frequency range of the spectrum in amounts sufficient to be measured.

resonant cavity -> resonator

A resonator is a device or system that exhibits resonance, which is a phenomenon that occurs when an external force or stimulus is applied at a specific frequency, causing the system to oscillate...

resonator

A resonator is a device or system that exhibits resonance, which is a phenomenon that occurs when an external force or stimulus is applied at a specific frequency, causing the system to oscillate...

rangefinder; radio frequency; representative fraction

RFE

radio frequency excitation

RFI

radio frequency interference

RFID

radio frequency identification

Photonics DictionaryR

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