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Noun1.half-intensity - half the maximum intensity
intensity, intensity level, strength - the amount of energy transmitted (as by acoustic or electromagnetic radiation); "he adjusted the intensity of the sound"; "they measured the station's signal strength"
References in periodicals archive ?
devices feature a A 60A angle of half-intensity and a luminous intensity ratio per packing unit of less than 1.
The spectral bandwidth at 50% is typically 40 nm, and the half-intensity beam angle is 120 degrees.
6, a forward voltage of up to 5 V, a 60[degrees] half-intensity angle, and an ESD-withstand voltage up to 1 kV.