. Blog Posts – Tagged "infrared irradiance" – TheraBulb
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      Blog Posts — infrared irradiance

      TheraBulb Named Top Near Infrared Incandescent 250W Bulb

      near infrared heat lamp bulb for infrared lamps and infrared saunas
      TheraBulb 250W incandescent infrared bulbs received top ranking in GembaRed LLC’s best of list. GembaRed compared nine major brands of bulbs, evaluating them for light uniformity, intensity, and wavelength spectrum. Overall, TheraBulb was ranked second only to GE and received the top ranking for irradiance.

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      Irradiance and Red Light/Near Infrared Bulbs

      image showing how the irradiance of a heat lamp bulb decreases as the distance from the infrared light bulb increase
      Irradiance is the technical term for intensity of light. Irradiance can apply to both visible light, which can be seen with the naked eye, and infrared energy, which is not perceptible to the naked eye. Whether the light/energy is visible or not, its irradiance decreases as distance from the source increases. 

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