Tag archive: signal beam

“The 5-inch (130 mm) disk has a holographic system that writes and reads data with a blue laser. The laser beam splits into two beams, a signal beam that convey data and a reference beam. Data to be stored is encoded into data pages, which are written in multiplex in the storage media. The company carries a 400-Gbyte tape cartridge for computer backup, but a disk form should be available if users want to access the data, said… Read More

The company hopes to introduce a commercial product for business use that can record 200GB to 300GB on a 12 centimeter disc by the summer of 2005. Optware has been aiming for the practical application of its technology called “polarized collinear holography,” which enables a more simple optical system than conventional holographic recording and playing devices. With this technology, the “signal beam” and… Read More