This figure categorized into 2 primary categories: off-chip light source excitation and on-chip light source excitation, distinguished by their approaches to exciting electromagnetic field hotspots.

It's driving me nuts. Is the double bond constantly changing between all possibilities fast enough that it shortens the bond length for all, or are all the double bonds existing in all possible states ...

Who doesn't like accomplishing a goal? Sometimes it is hard work and you may deviate from the path. But in the end, when you hit your target and complete your task, you can look back at what you've ...