Evanescent definition
Evanescent means soon passing out of sight, memory, or existence; quickly fading or disappearing. Therefore, the set of words that reflect the antonyms of the given highlighted word is “unlimited: permanent”. Hence, option (e) is the most suitable answer choice.
Examples of Evanescent in a sentence
Figure 6: (a) Simulated slot-gap influence on the TO effect of the slot waveguide with a slot gap of 120 nm, (b) Evanescent field fraction and temperature dependency of the resonance of a PMMA filled slotted ring resonator and (c) Experimentally TO response of a slot and wire waveguide ring resonator.