photodetector

noun
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 First, a photodetector measures the voltage from the lasers, Chatziioannou says. Kat Friedrich, Popular Mechanics, 8 Sep. 2022 The Fitbit atrial fibrillation software is an algorithm based on photoplethysmography, which uses a light source and a photodetector on your skin's surface to measure changes in your blood circulation and volume. Christa Sgobba, SELF, 14 Apr. 2022 Inside the container is a pulsing light source (LED, laser diode, or similar small device) that transmits through the fiber and hits a detector at the end of the fiber called a photodetector. Manasee Wagh, Popular Mechanics, 11 Apr. 2022 The microcontroller commands the light source and acts as a monitor, checking for any interruptions in light reaching the photodetector. Manasee Wagh, Popular Mechanics, 11 Apr. 2022 Luminar also acquired OptoGration, a company that designs and manufactures crucial InGaAs photodetector chips that go into the sensors. Trefis Team, Forbes, 4 Nov. 2021 Luminar also acquired OptoGration, a company that designs and manufactures crucial InGaAs photodetector chips that go into the sensors. Trefis Team, Forbes, 4 Nov. 2021 Luminar also acquired OptoGration, a company that designs and manufactures crucial InGaAs photodetector chips that go into the sensors. Trefis Team, Forbes, 4 Nov. 2021 Luminar also acquired OptoGration, a company that designs and manufactures crucial InGaAs photodetector chips that go into the sensors. Trefis Team, Forbes, 4 Nov. 2021 See More

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.

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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Dictionary Entries Near photodetector

photodegradable

photodetector

photodiode

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Last Updated

18 Sep 2022

Cite this Entry

“Photodetector.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/photodetector. Accessed 5 Oct. 2022.

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More Definitions for photodetector

photodetector

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

Medical Definition of photodetector

: any of various devices for detecting and measuring the intensity of radiant energy through photoelectric action … the pulse oximeter incorporates both photodiodes and photodetector in a fingertip sensor that can be clipped or taped to the patient's finger.The New England Journal of Medicine

More from Merriam-Webster on photodetector

Britannica.com: Encyclopedia article about photodetector

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