ATIS Telecom Glossary
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germanium photodiode
A germanium-based PN- or PIN-junction photodiode. Note 1: Germanium photodiodes are useful for direct detection of optical wavelengths from approximately 1 m to several tens of m. Note 2: Germanium-based detectors are noisier than silicon-based detectors. Silicon-based detectors are therefore usually preferred for wavelengths shorter than 1 m. [After FAA]

 

 

 

 

 

 

 

 

 

 



 
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