Sodium ions produce ultraviolet light and the other gases and compounds in the mix convert the output into the visible range.Ģ) Metal halide lamps have a much higher luminous efficacy than the current standard, halogen incandescent.
Why is blue bad? Here's what I know, but I'll preface it with the fact that I have been out of the lighting industry for several years (and my focus was always on architectural lighting with advanced education in light source technologies).ġ) Metal halide lamps are most efficacious in the blue range of the visible spectrum.
