Module 1.6 Optical Detectors and Human Vision
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In this module, we describe some common optical detectors and their important characteristics. We do not cover the entire field of light detection, which is very broad. Instead, we emphasize those detectors that are most commonly encountered in photonics applications. The two main types of optical detectors are photon detectors and thermal detectors. Photon detectors produce one electron for each incoming photon of optical energy. The electron is then detected by the electronic circuitry. Thermal detectors convert the optical energy to heat energy, which then generates an electrical signal. Our coverage focuses on these two main types of detectors.
Description
In this module, we describe some common optical detectors and their important characteristics. We do not cover the entire field of light detection, which is very broad. Instead, we emphasize those detectors that are most commonly encountered in photonics applications. The two main types of optical detectors are photon detectors and thermal detectors. Photon detectors produce one electron for each incoming photon of optical energy. The electron is then detected by the electronic circuitry. Thermal detectors convert the optical energy to heat energy, which then generates an electrical signal. Our coverage focuses on these two main types of detectors.
Audience: Educators, students
Level: College
Author: Jack Ready, Consultant, formerly with Honeywell Technology Center, Edina, Minnesota
