This calculator will help you calcaulate the minimum deviation angle of (triangular) prisms with a certain wavelength.

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$n$ = $\frac{sin\frac{A+\theta}{2}}{sin\frac{A}{2}}$


Top Angle of The Prism $A$; Reflective Index n; Minimum Deviation Angle $\theta$


Input
Select material:
Wavelength, $\lambda$:
nm

Reflective Index, n:
Top angle of the Prism, $A$:
degree (°)


Output
Minimum Deviation Angle, $\theta$:
degree (°)