Lenses
Complete lens education — types, geometry, refraction, thin/thick lens theory, Gaussian beam propagation, materials, aberrations, coatings, and selection.
Comprehensive Guide
Full academic treatment with worked examples, SVG diagrams, and cited references.
Abridged Guide
Concise quick-reference with key equations, decision tables, and practical workflows.
Tools & Calculators
Interactive design tools — enter parameters, get component recommendations.
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