A little background: In the original top ... blue and create a blurred trail that looks like a laser beam, which could explain some of the blue beams seen in the various video clips online.

But producing a small spot size with blue light has been tricky, says Hiroshi Ohno, who manages the laser development team to which Hagino belongs. A high brightness laser beam requires both high ...

With a diameter of just 300 micrometers, these generate a blue laser beam with a wavelength of 450 nanometers. A phosphor converter transforms this into roadworthy white light with a color ...