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Lake Mary / Orange City / Oviedo (407) 391-3344

Understanding Laser Therapy

Understanding Laser Therapy

Laws of Photochemistry:

  1. The first law of photochemistry, known as the Grotthuss-Draper law (for chemists Theodor Grotthuss and John
    W. Draper), states that light must be absorbed by a chemical substance in order for a photochemical reaction to
    take place.
  2. The second law of photochemistry, the Stark-Einstein law, states that for each photon of light absorbed by a
    chemical system, only one molecule is activated for a photochemical reaction. This is also known as the
    photoequivalence law and was derived by Albert Einstein at the time when the quantum (photon) theory of light
    was being developed.

True LASER Requirements:

Light Amplification by Stimulated Emission of Radiation

  1. Monochromatic
  2. Coherent
  3. In the Visible light spectrum
 

Components of a Laser:

  1. Wavelenth: Energy and color, measured in nanometers (nm)
    Higher the wavelength, the lower the energy. The lower the wavelength, the higher the energy.
 

  • Power: measured in Watts (W) or milliwatts (mW)
  • Frequency: Pulse - measured in Hertz (Hz) per second. The different tissues in our bodies operate and respond at different frequencies
    .



 

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