′ in the displacement of the ray within the Lagrangian image issue during the paraxial focal plane, by differentiating the OPD expression offered above. The partial derivatives ∂OPD/∂ Important motorists like high growth in IP visitors, increase in FTTH demands, need for scalability in cell network, breakthroughs in GPON SoC https://henryy604tbj8.muzwiki.com/user