V2EX photodetector

Photodetector

释义 Definition

光电探测器;光探测器:一种把光(光子)转换成可测电信号(如电流、电压或电荷)的器件,常用于成像、通信、传感与测量等领域。(在不同语境下也可特指“光电二极管/光电管”等具体器件。)

发音 Pronunciation (IPA)

/fotodtktr/

例句 Examples

The photodetector converts light into an electrical signal.
光电探测器把光转换成电信号。

In a fiberoptic receiver, a sensitive photodetector measures faint pulses of light and helps recover the transmitted data.
在光纤接收机中,高灵敏度的光电探测器测量微弱的光脉冲,并帮助还原传输的数据。

词源 Etymology

由 **photo-**(“光、照片”,源自希腊语 *phōs/phōt-*,意为“光”)+ detector(“探测器”,来自拉丁语 detegere,意为“揭露、发现”)构成,字面意思即“用来探测光的装置”。

相关词 Related Words

文学作品 Literary Works

  • Isaac Asimov, The Complete Robot(涉及“光电/感测器、探测器”等概念与装置描写,常出现 detector 与相关复合词的技术语境)
  • William Gibson, Neuromancer(赛博朋克语境中常出现各类 detector/sensor 与光学探测相关词汇,用于描写监测与安防技术)
  • Neal Stephenson, Snow Crash(技术与系统描写中常涉及传感与探测装置,detector 等词在相关语境中出现)
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