Which outcome occurs when cladding refractive index approaches core's?

💡 Explanation

Increased cladding index reduces the angle of total internal reflection until the core can no longer efficiently trap light due to reduced contrast; therefore optical power leaks out, rather than staying confined as it should. This reduces efficiency because waveguiding deteriorates.

• Which outcome occurs when polyethylene pipes carrying natural gas are exposed to sustained tensile stress?
• Which outcome occurs within a coaxial cable when signal frequency increases?
• Which property defines spacetime deformation around black holes?
• Which outcome occurs when a fiber optic cable suffers microbend deformation?
• Which mechanism causes reduced visibility when polarized sunglasses filter reflected light?
• Which risk escalates radically when signal attenuation limits submarine communication?