Classifying TE-like and TM-like Bands
A field-based method for classifying TE-like and TM-like modes in a symmetric photonic-crystal slab computed with Legume.
ReadMore about Rainbows
Further questions, extensions, and related atmospheric optics beyond the primary bow.
ReadWave Optics of Rainbows
Why interference matters for the fine structure and color detail of rainbows.
ReadGeometrical Optics of Rainbows
The ray-optics picture of refraction, reflection, and rainbow angles.
ReadHistory of Rainbow Mystery
How people understood, misunderstood, and gradually explained rainbows.
ReadRainbow Colors
A 4-post series on building up rainbow colors from historical ideas to geometrical and wave optics.
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