AKASH GOYAL AskiitiansExpert-IITD
Last Activity: 14 Years ago
Dear Shalini
optical path length (OPL) or optical distance is the product of the geometric length of the path light follows through the system, and the index of refraction of the medium through which it propagates.
All the best.
AKASH GOYAL
AskiitiansExpert-IITD
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