Radiant Flux (mW): This measures the total amount of light emitted by the LED, regardless of wavelength. It's often used to compare the overall power output of different LEDs.
Radiant Intensity (mW/sr): This measures the light intensity in a specific direction. It's particularly important for applications where directional light is required.
Spectral Power Distribution (SPD): This shows the intensity of light emitted at different wavelengths. It's crucial for applications where specific wavelengths are required, such as UV disinfection or curing.
Efficiency: This measures the ratio of electrical power input to optical power output. Higher efficiency means more light output for a given amount of power consumption.
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Understanding UV LED Light Output
Moderator: T.Hoffmann