1
$\begingroup$

I have a few basic questions regarding evanescent field.Are they produced only if there is a Total Internal Reflection? Or just a boundary change is enough for producing evanescent field? Also why is it necessary to have a boundary change for producing evanescent wave?

$\endgroup$

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Browse other questions tagged or ask your own question.