John Bullock Independent lighting designer

Publications by John Bullock

How do you measure the irradiance of UVC LEDs?

askjohn@luxreview.com was asked this question by Joe Van Vooren: ‘If a UVC LED specification states 6µW/m2 (microwatts per centimetre squared) at 100mA, does that mean radiation over one square centimetre at a distance of one centimetre from the LED?’