... 625, 630, 645, 660, 670, 680, 690, 700, 720, 735, 750, 760, 780 nmSpectrum bandwidth: +- 5 nm3. ... )Spot Diameter Distance Optical IntensityΦ3mm 9mm 6500 mW/cm2Φ4mm 10mm 5000 mW/cm2 ... 7. Advantages of our UV LED Curing System VS mercury arc lamp:(1) No IR, cool ... drives, and micro-motor manufacturing, manufacturing headphones and watch parts, optical DVD / CD production.(2) UV detection and analysis ...