Violet Laser
2011
Blu Ray Drives: Costly But Effective
In the present day, the blu ray discs are the latest upheaval in technical know-how. The blu ray disc is the latest optical disc format created by the BDA (Blu Ray Disc Association) which includes TDK, Thomson, Sharp, Pioneer, Philips, Mitsubishi, Sony, JVC, Panasonic, Samsung, Apple, Hitachi, LG, Dell, and HP. The BDA boasts 180 of the world’s leading consumer electronics, media and personal computer manufacturers.
HD DVDs and Blue Ray DVDs were in fierce competition some time back over which would become the successor of the DVD. With the results of blu ray discs being the winner, the attention has now been turned on the blu ray drives that will operate the blu ray discs. The blu ray technology, as the name suggests, uses a blue-violet laser to read and write data unlike the current technology which uses red laser. A blue-violet laser (405nm) which is very short in wavelength than a red laser(650nm)concentrates the laser spot with superb accuracy.
The advantage of this is that, it permits data to be stored in less space since the data can be packed more tightly, which further, allows consumers to fit additional data on the disc even though it may be the same size as a CD or a DVD. A single-layer HD-DVD disc only store 15 GB whereas single-layer blue ray DVDs can store 25 GB which is more than 2 hours of high-definition video and 13hours hours of standard video.A dual-layer HD-DVD can hold up to 30 GB whereas dual-layer blue ray DVDs can store 54 GB which is 4.5hours of high-definition video and more than 20hours of a standard video.
Anyhow, blu ray drives are undoubtedly dearer than other standard drives. Blu ray drives that can read blu ray discs as well as burn DVDs are about three times the price of standard DVD burner. And, if you want blu ray drives that will burn the blu ray media, the price increases ten times more.
There are many online shopping avenues for selecting you blu ray drives. A simple search will find you excellent bargain for your money. Some of the many manufactures of blu ray drives include BenQ, HP, LG, Panasonic, Philips, Pioneer, Samsung and Sony. Though it is not obligatory, the Blu Ray Disc Association allows manufacture of backward compatibility reading normal compact discs and DVDs in addition to blu ray discs.
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Violet Laser (405nm) from etimeshop
