LEDs under UV
The phosphor in a “white” LED lamp glows (fluorescence) under a UV light source. Taken with Nikon COOL PIX in black light.
—Robert Schalck, OSA Senior Member
The phosphor in a “white” LED lamp glows (fluorescence) under a UV light source. Taken with Nikon COOL PIX in black light.
—Robert Schalck, OSA Senior Member