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Interactive Electromagnetic Spectrum Simulator

Visualize the physics of light. Drag the slider to explore the relationship between Wavelength, Frequency, and Photon Energy in real-time.

ePhotonics ElectroMAGNETIC Spectrum Simulator
RADIO WAVES
Comparable Size:
🏢 Buildings
Frequency 100 MHz
Wavelength 3 m
Photon Energy Low

Understanding the Physics of Electromagnetic Spectrum

The simulator above demonstrates the fundamental relationship that governs all photonics: the connection between Wavelength (λ), Frequency (f), and Energy (E).

As you drag the slider from left (Radio) to right (Gamma), you are witnessing an inverse relationship. Because the speed of light (c) is a universal constant, as the wave gets physically shorter (wavelength decreases), it must oscillate faster (frequency increases) to cover the same distance.

c = λ · f E = h · f

Photon Energy Variation

Notice how the Photon Energy indicator changes from Low to Extreme. This is the boundary between safe and dangerous radiation:

  • Non-Ionizing (Left Side): Radio, Microwave, and Visible light carry lower energy. They can transfer heat to tissue, but they cannot break chemical bonds.
  • Ionizing (Right Side): Once the frequency crosses into Ultraviolet (UV) and X-Rays, individual photon energy is high enough to strip electrons from atoms. This is why UV lasers are used for sterilization—they physically disrupt molecular bonds.

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