A method and apparatus are disclosed for improving bodily safety during exposure to a monochromatic light source by diverging the monochromatic light, such as with a highly durable diffuser. At a first position of the distal end of the monochromatic light source the energy density of an exit beam from...http://www.google.se/patents/US20040036975?utm_source=gb-gplus-sharePatent US20040036975 - Method and apparatus for improving safety during exposure to a monochromatic light source
