[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 ...

The GH04P25A4G laser diode features a proprietary facet structure and its ultracompact dimensions (3.3 mm diameter) make it suitable for use in notebook Blu-ray drives. The other model (GH04P25A2G ...

A semiconductor laser ... diodes (LEDs), a related technology, were also difficult to manufacture, but became practical and widely used after the turn of the century. See Blu-ray and UDO.

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 ...

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 ...