S

The slow axis of a birefringent fiber is the axis in which the index of refraction is higher. In accordance with the relation below, light in this axis moves slower than light in the fast axis.

n = index of refraction

v_n = velocity of light in medium of refractive index_n

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Related Terms: Beat Length, Birefringence, Birefringent Fiber, Bow-Tie Fiber, Fast Axis, H-Parameter, Highly Birefringent (HiBi), Polarization Dependent Loss (PDL), Polarization Extinction Ratio (PER), Polarization Maintaining (PM) Fiber, Polarization Mode, Polarization Mode Dispersion (PMD), Polarizing Fiber, Zing Fiber