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Brewster Angle Calculator — result sheet
Calculate the incidence angle for zero reflected p-polarized light at an ideal dielectric interface.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: θB = arctan(n₂/n₁).
The ratio of transmitted to incident refractive index is converted from radians to degrees.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Incident-medium refractive index — minimum 1.0E-6; maximum 100
- Transmitted-medium refractive index — minimum 1.0E-6; maximum 100
Worked example
| Input | Value |
|---|---|
| Incident-medium refractive index | 1 |
| Transmitted-medium refractive index | 1.5 |
Brewster angle is approximately 56.31°.
Assumptions and limits
- Both refractive indices are positive real values for the same wavelength and interface.
- The media are isotropic, transparent, and nonmagnetic in the ideal Fresnel model.
- Absorption, roughness, finite beam effects, and imperfect polarization are not modeled.
Calculator note
Source and methodology
Use the official WorldCalculate methodology policy for the source, formula, precision, and boundary standards behind this calculator.
Planning estimate, not financial, medical, legal, or professional advice. © WorldCalculate — reuse with attribution. Built and curated by Hassan ALRowaie.
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