How Does Water in the Body Absorb Infrared Light?

how does water absorb infrared light

Quick Answer Water in the human body absorbs infrared light differently depending on the wavelength. When water molecules absorb certain infrared wavelengths, the light’s energy can excite molecular vibrations and eventually contribute to heat. However, water absorbs relatively little light at many wavelengths commonly used for red and near-infrared light therapy, while absorption becomes much […]