Respuesta :
icrit = 76.656
alpha crit = 19.85
Sin(core) (1.46) = sin90 *1.42
Clad is 90 for this. which = 1
Alpha crit is 90- .
What is index of refraction?
The refractive index, also known as the refraction index, of an optical media is a dimensionless quantity that indicates how well that medium bends light.
The refractive index controls how much light is refracted or twisted when it enters a substance. The angle of incidence and angle of refraction of a ray as it crosses the interface between two media with refractive indices of n1 and n2 are, respectively, n1 sin 1 and n2 sin 2, which describe this. The refractive indices also control Brewster's angle, the critical angle for total internal reflection, the intensity of the reflected light (Fresnel's equations), and the amount of light that is reflected at the interface.
Critical Angle Formula = the inverse function of the sine (refraction index / incident index). The critical angle is the incidence angle that corresponds to a 90° refraction angle.
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