单词	photodetector
释义	photodetector noun pho·​to·​de·​tec·​tor ˌfō-tō-di-ˈtek-tər  : any of various devices for detecting and measuring the intensity of radiant energy through photoelectric action Example Sentences 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 Word History First Known Use 1947, in the meaning defined above Medical Definition photodetector noun pho·​to·​de·​tec·​tor -di-ˈtek-tər  : 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
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