4 ms·
"Something akin to reciprocity still applies, no?" Not necessarily. Chiral gold nanocrystals can be as small as 10nm and still be excited by 808nm laser light
by lightedman 8mo ago
"Something akin to reciprocity still applies, no?"
Not necessarily. Chiral gold nanocrystals can be as small as 10nm and still be excited by 808nm laser light causing two-photon absorption and emitting in the visible range.