High-quality white light produced by four-color laser source

[steve001]

PhysOrg.com) -- The human eye is as comfortable with white light generated by diode lasers as with that produced by increasingly popular light-emitting diodes (LEDs), according to tests conceived at Sandia National Laboratories.
More: High-quality white light produced by four-color laser source

 

[Bluefan]

A problem would be speckle, but it's not that hard to reduce the spatial coherence to prevent that. Now we wait from red, green, blue and yellow lasers to be cheaper...

 

[Xer0]

a kingdom for asscheap yello diodes!

 

[Bluefan]

A king ain't particularly cheap, which kinda makes it a contradiction...

 

[KGB_Productions]

..Heres the LARGE version of that photo....