Refractive index contrast

From Wikipedia, the free encyclopedia

Refractive index contrast, in an optical fiber, is a measure of the relative difference in refractive index of the core and cladding. Refractive index contrast, Δ, is given by Δ = (n₁²- n₂²)/(2n₁²), where n₁ is the maximum refractive index in the core and n₂ is the refractive index of the homogeneous cladding.

[edit] References

• Federal Standard 1037C
• MIL-STD-188