Optical amplifier

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Notion

Domain

Science and technology

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What Wikipedia says

An optical amplifier is a device that amplifies an optical signal directly, without the need to first convert it to an electrical signal. An optical amplifier may be thought of as a laser without an optical cavity, or one in which feedback from the cavity is suppressed.

Excerpt from the Wikipedia article “Optical amplifier”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Eric Magnan, CC BY-SA 3.0, via Wikimedia Commons.