OPTICS & PHOTONICS

Bragg’s law of diffraction

gives the conditions for constructive interference of crystal plane reflected waves.

2dsin⁡θ=mλ2d\sin\theta=m\lambda

symbols, variables and units

d: interplanar spacing (m); θ: grazing angle; λ: wavelength (m); m: positive integer.

applicable conditions and boundaries

Elastic coherent scattering; 2θ is often recorded in experiments and cannot be mixed.

formula source code

The following is a copyable LaTeX expression.

2d\sin\theta=m\lambda

Reference and Extended Learning

OpenStax · University Physics Volume 3 ↗

is organized according to model definition and assumptions. Please check actual conditions and original literature before engineering, research and clinical use.

Bragg lawXRDcrystal

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