ATIS Telecom Glossary
Friday, November 21, 2014

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radiation angle
In fiber optics, half the vertex angle of the cone of light emitted at the exit face of an optical fiber. Note: The cone boundary is usually defined (a) by the angle at which the far-field irradiance has decreased to a specified fraction of its maximum value or (b) as the cone within which there is a specified fraction of the total radiated power at any point in the far field. Synonym output angle.

 

 

 

 

 

 

 

 

 

 



 
These definitions were prepared by ATIS Committee PRQC
 
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