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Optics

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Optics

Diffraction

The bending, spreading, and interference of light waves around the edges of an obstacle or through a narrow aperture.

a sin θ = m λ (Single Slit Minima) m
Optics

Diffraction Grating

An optical element with a periodic structure of thousands of closely spaced parallel rulings or lines that disperses light into its…

d sin θ = m λ (m = 0, ±1, ±2, ...) m (slits per mm)
Optics

Dispersive Power

A dimensionless material property measuring a prism or lens material's ability to separate different spectral wavelengths.

ω = (n_v - n_r) / (n_y - 1) Dimensionless