3 ms·
Bluray uses violet laser. Higher density requires using a smaller wavelength laser. Up until recently, ultraviolet lasers were expensive but it looks like someo
by ianburrell 4y ago
Bluray uses violet laser. Higher density requires using a smaller wavelength laser. Up until recently, ultraviolet lasers were expensive but it looks like someone recently developed cheaper one. It might now be possible to make higher density disc.
- Dylan16807 4y agoIt's not all about frequency. With more effort we might have been able to get significantly more layers working.