Ashu2912 Messages 106 Reaction score 1 Thread starter Oct 21, 2010 #1 Can someone tell me what are paraxial rays in brief. It would be better if there will be some diagram or visual!
Can someone tell me what are paraxial rays in brief. It would be better if there will be some diagram or visual!
Andy Resnick Science Advisor Education Advisor Insights Author Messages 7,812 Reaction score 4,137 Oct 21, 2010 #2 Paraxial rays are rays that don't deviate very much- sin(q) ~ q. Alternatively, these are rays that are always close to the optical axis- large f-number, low NA systems.
Paraxial rays are rays that don't deviate very much- sin(q) ~ q. Alternatively, these are rays that are always close to the optical axis- large f-number, low NA systems.