Thorlabs PM100D power meter displaying 38.788 mW/cm² at 805nm NIR wavelength, with S121C sensor in direct contact with a red light therapy device LED array.
Optical Measurement & Dose

From LED Watts to Delivered Dose: Reconciling Power Claims in Red Light Therapy

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An engineering analysis of electrical input, optical output, irradiance, and delivered dose consistency. For red light therapy and photobiomodulation hardware, […]