Hello Readers,
Previos Blog Link -
https://telecomwisdom.blogspot.in/2017/11/itu-t-g-series-for-optical.html
1. Single Mode 2. Multi Mode
Below Image can explain you why I am talking about about 3 of them.
In Single Mode Optics We see Only a Ray Tansmit or Travel Without any Interfference,
But There is Core Diameter Is too Smaller Than Cladding.
These Type of Multimode Fiber Optics Due to its High Concentration of Material.
Single Mode has no Graded index Option.
Hope It will help you to Understand Fiber Optics Type.
Thank You .