and InGaN-based blue lasers are now used in several commercial applications, including 'blu-ray' DVD systems. Figure 1: The epilayer structure of an InGaN green laser diode on a c-sapphire substrate.

While [Micah] want’s to use these Blu-ray drives for laser graffiti, there are a number of other slightly more useful reasons for the build. With a DVD drive, you can hold a red blood cell in ...

A semiconductor laser that emits light in the 400-450 nm range. Although it was very difficult developing blue lasers ... the turn of the century. See Blu-ray and UDO. THIS DEFINITION IS FOR ...

However, realizing a practical far-ultraviolet light source requires a blue semiconductor laser with a wavelength around 460 nm. Originally designed for Blu-ray technology, blue nitride ...

However, a practical far-ultraviolet light source requires a blue semiconductor laser with a wavelength of around 460 nm. Originally developed for Blu-ray applications, blue nitride semiconductor ...

Combining a green laser, a blue ray laser, and a red laser, he is able to produce a variety of color including white. There are step by step instructions on how to make a multicolored laser.

Unlucky for some, though, a number of DVD titles from Warner Bros. released between 2006 and 2008 are unplayable because of ...