Is slide 6 (Fiber Works by "Total Internal Reflection") wrong? I thought that total internal reflection (TIR) happened when trying to cross from a higher refractive index (RI) medium to a lower one - not the other way…
Is slide 6 (Fiber Works by "Total Internal Reflection") wrong? I thought that total internal reflection (TIR) happened when trying to cross from a higher refractive index (RI) medium to a lower one - not the other way…