pho·​to·​de·​tec·​tor | \ ˌfō-tō-di-ˈtek-tər How to pronounce photodetector (audio) \

Definition of photodetector

: any of various devices for detecting and measuring the intensity of radiant energy through photoelectric action

Examples of photodetector in a Sentence

Recent Examples on the Web The device would use photodetector sensors would support the transmissive examination of blood oxygen levels. Chris Smith, BGR, 7 July 2021 Super-Kamiokande is a massive tank of ultra-pure water surrounded by photodetectors. John Timmer, Ars Technica, 15 Apr. 2020 Nearby is a second chip with 64 tiny photodetectors on it, each focused on detecting light reflected back from one of the 64 lasers. Timothy B. Lee, Ars Technica, 8 Nov. 2018 And IceCube is proposing to expand the volume of ice strung with photodetectors, increasing its sensitivity to the rare cases where neutrinos bump into the Antarctic ice. John Timmer, Ars Technica, 12 July 2018 The photon that bounced off the object can then be registered using a photodetector. Chris Lee, Ars Technica, 15 Feb. 2018 If the bacteria start glowing, the photodetectors that sit just below the bacteria’s compartment are activated. Beth Mole, Ars Technica, 25 May 2018 Beneath each well is a tiny electronic photodetector that can register light from the bacteria. Karen Kaplan,, 25 May 2018 If the molecules of choice filter in and meet the bacteria, the bacterial cells produce light that is picked up by photodetectors embedded in a small electrical chip. Andrew Joseph, STAT, 24 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'photodetector.' 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 photodetector

1947, in the meaning defined above

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The first known use of photodetector was in 1947

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Last Updated

20 Jul 2021

Cite this Entry

“Photodetector.” Dictionary, Merriam-Webster, Accessed 26 Jul. 2021.

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