optical fiber

noun

Definition of optical fiber

: a single fiber-optic strand

Examples of optical fiber in a Sentence

Recent Examples on the Web Depending on the opsin, researchers can excite or inhibit neurons by shining light on them, usually via an implanted optical fiber. Kelly Servick, Science | AAAS, "Controlling monkey brains with light could get easier thanks to open data project," 28 Oct. 2020 In a bioRxiv preprint last month, Afraz and colleagues describe a possible alternative: a 5-square-millimeter array of 24 light-emitting diodes (LEDs), each of which can produce as much light as a typical optical fiber. Kelly Servick, Science | AAAS, "Controlling monkey brains with light could get easier thanks to open data project," 28 Oct. 2020 These nanopillar metasurfaces could be used to add specific wavelengths of light in an optical fiber, the better to control the amount of information that fiber can carry. Jennifer Ouellette, Ars Technica, "Girl With a Pearl Earring," 11 Sep. 2020 These channels are then combined, or multiplexed, in the same optical fiber and sent to each node. Anil Ananthaswamy, Scientific American, "Physicists Create City-Sized Ultrasecure Quantum Network," 3 Sep. 2020 Send entangled photons out into the real world through optical fiber and, in less than 50 miles, environmental interference will destroy their quantum state. Daniel Oberhaus, Wired, "NASA's Plan to Turn the ISS Into a Quantum Laser Lab," 22 Apr. 2020 Related Stories Levy says the system is similar to a single-mode optical fiber, not a traditional metallic wire. Caroline Delbert, Popular Mechanics, "Scientists Discover Another New Phase of Matter," 17 Feb. 2020 This typically involves hooking animals up to optical fibers to shine light on neurons of interest, but the process is invasive and can interfere with studying the animals’ behavior. Shraddha Chakradhar, STAT, "Researchers develop a non-invasive way to manipulate neurons to study behavior," 30 Apr. 2020 Later this summer, physicists at the Argonne and Fermi national laboratories will exchange quantum information across 30 miles of optical fiber running beneath the suburbs of Chicago. Daniel Oberhaus, Wired, "NASA's Plan to Turn the ISS Into a Quantum Laser Lab," 22 Apr. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'optical fiber.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of optical fiber

1962, in the meaning defined above

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The first known use of optical fiber was in 1962

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Cite this Entry

“Optical fiber.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/optical%20fiber. Accessed 14 May. 2021.

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More Definitions for optical fiber

optical fiber

noun

English Language Learners Definition of optical fiber

technical : a long, thin, glass or plastic thread that carries information in the form of light : a fiber-optic thread

optical fiber

noun

Kids Definition of optical fiber

: a single fiber used in fiber optics

optical fiber

noun

Medical Definition of optical fiber

: a single fiber-optic strand

Comments on optical fiber

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