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Fiber Optic Numerical Aperture Calculator

Compute the numerical aperture (NA) and acceptance angle of an optical fiber from its core and cladding refractive indices. Essential for fiber optic system design, light-coupling efficiency analysis, and telecom engineering.

Core Refractive Index

Cladding Refractive Index

External Medium Index

Fill in the required fields to see your result.

Optics

Polarization & Malus Law Calculator

Calculates transmitted light intensity after passing through one or more polarizers using Malus's Law. Use it when designing optical systems, analyzing polarized filters, or studying light attenuation in physics labs.

Initial Light Intensity (W/m²)

Polarizer Angle (degrees)

Number of Polarizers

Fill in the required fields to see your result.

Key differences

	Fiber Optic Numerical Aperture Calculator	Polarization & Malus Law Calculator
Category	Optics	Optics
Inputs required	3	3
Result	Numerical Aperture	Transmitted Intensity (W/m²)
What it does	Compute the numerical aperture (NA) and acceptance angle of an optical fiber from its core and cladding refractive indices. Essential for fiber optic system design, light-coupling efficiency analysis, and telecom engineering.	Calculates transmitted light intensity after passing through one or more polarizers using Malus's Law. Use it when designing optical systems, analyzing polarized filters, or studying light attenuation in physics labs.