[Jay] hacked a Blu-Ray laser diode into a keychain enclosure. He found a heavy brass keychain light from Lowe’s and stuffed the diode and a larger battery inside. The existing batteries weren ...

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 ...

Related: World's most powerful X-ray laser set for massive upgrade ... They directed a green laser and a blue laser into the ruby at right angles to each other. On a screen opposite the blue ...

A semiconductor laser that emits light in the 400-450 nm ... but became practical and widely used after the turn of the century. See Blu-ray and UDO. THIS DEFINITION IS FOR PERSONAL USE ONLY.

The process involves selectively altering the fluorescence properties of nanoparticles within the recording medium, using laser energy to create "spectral holes" where the emission is reduced.

including 'blu-ray' DVD systems. Figure 1: The epilayer structure of an InGaN green laser diode on a c-sapphire substrate. The key to the success of Miyoshi et. al. was their ability to improve ...