# 偏振光 - Polarized Light

展示光偏振、马吕斯定律和偏振片作用的交互式模拟

> 标准页面: https://elysiatools.com/zh/visualizations/polarized-light

- **分类:** Physics

## 概述

Interactive polarized light simulation demonstrating Malus's law, polarizer action, and wave polarization. Features Malus's law: I = I₀cos²(θ) where θ is the angle between polarization direction and analyzer transmission axis. Polarizer transmission: E' = E·cos(θ). Real-time visualization includes: (1) Three wave displays showing incident unpolarized/polarized light, light after first polarizer (linearly polarized), and light after second polarizer (analyzer) with transmitted intensity; (2) Intensity distribution graph plotting cos² function with current angle difference marked; (3) Polarizer system diagram showing light path through two polarizers with transmission axes. Adjustable parameters: polarizer 1 angle (0-180°), polarizer 2 angle (0-180°), initial polarization angle (0-180°), unpolarized/polarized source toggle, wave plate option with fast axis angle, animation speed, and display options (vectors, wave animation, intensity curve). Presets for parallel polarizers (max transmission), crossed polarizers (zero transmission), 45° difference (50% transmission), and auto-rotation demo. Wave plate mode demonstrates circular/elliptical polarization generation when linear polarization at 45° to fast axis. Educational content covers polarization mechanisms (Polaroid sheets, birefringent crystals, wire-grid polarizers), Malus's law derivation, wave plate retardation (quarter-wave and half-wave plates), polarization types (linear, circular, elliptical), and practical applications: sunglasses glare reduction, photography polarizing filters, LCD displays, photoelastic stress analysis, optical communications polarization multiplexing, astronomy magnetic field studies, 3D movies, and polarization microscopy. Multi-language support (zh, en, es, fr, de, ru, pt).

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