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HD DVD is different from Blue-Ray in terms of the type of laser used. Blue-ray uses blue laser to write or read. HD DVD uses red laser to write or read. And by that aspect, HD DVD is cheaper to produce since it is pretty much a slight modification from regular DVD technology.
It's true, however, that some HD-DVD players use BLUE lasers. One source for cheap blue laser diodes are the discontinued XBOX 360 HD-DVD addons, because they contain BLUE lasers.
What else can I help you with?
What is the purpose of the ruby laser used in technology?
The red ruby laser is used in standard DVD players to read standard DVD discs. They are now being superseded by the blue laser DVD player, otherwise known as Blue-Ray players and discs.
What waves are used in DVD players?
Light waves.A DVD player uses a red (long wave) laser, and a blu-ray player uses a blue (short wave) laser.
How does a red laser to read dvds differ from blue-violet laser?
Red laser is normally used to read CDs while blue-violet laser is used to read DVDs. The reason is that blue-violet is a higher energy laser with a much smaller wavelenght - 650 billionths of a meter -, so the pits on the DVD's can be smaller and closer together than those on the CDs'.
What color laser is used in a DVD drive?
Well, darling, the color of the laser used in a DVD drive is typically red. It's not like a rainbow of colors shooting out of there, just good ol' reliable red getting the job done. So, there you have it, red is the answer you were looking for.
Can a DVD burner also copy blu ray disks?
DVD burners are not compatible with blue-ray disks. Only a Bluray drive is capable of handling Bluray discs.The term BlueRay is derived from the actual wavelength of the laser that is used in the burning process. This laser emits a Blue color as opposed to the lasers previous which use a laser in a wavelength that emits a red color. The actual Blue ray lasers are much finer ( like comparing a pencil tip to a needle tip) therefor the information written to disc is much more compact and as a result a normal laser can not read information written with a blue ray burner.
Two characteristics give a DVD more storage than a CD?
The DVD uses a different laser with a smaller wavelength, not the long wavelength red laser that is used for CD's. I believe the DVD laser is in the ultraviolet spectrum. Anywho, the smaller laser allows the DVD to have smaller "bumps" (which is what the laser reads). Since they are smaller, more can fit onto a disk. Also, DVD's can be 2-layer. Twice the data.
Why is Blu-ray called so?
Traditional DVDs and CDs use a red laser to be read. Blu-Ray discs use a blue-violet laser. Blue light has a shorter wavelength than red light, meaning it can bounce back faster from the disc than red, and hence transmit more data in the same time period.
What color laser beam does a DVD drive use?
a red laser like a CD
Can regular DVD player play HD DVD?
No, it cannot. Regular DVD player uses a red laser to read disc, while HD DVD uses a blue laser, which is more precise. That's the reason HD DVD can store about 25gb of data. while DVD only around 9gb max. Blu Ray can store over 50gb.
How do Blu-ray work?
DVD players use a red laser light and blue ray players use a purple-blue almost Ultra violet laser making it possible to store more data. Or to quote from a portion of the related link "The blue-violet laser's shorter wavelength makes it possible to store more information on a 12 cm CD/DVD-size disc."
Can dvds be used in CD devices explain?
No. There are a number of different reasons. It can range from speed of the drive, and by far the most important reason is that a DVD use a blue laser, and CD use a red laser.
What two characteristic give a DVD more storage capacity than a CD?
The DVD uses a red laser with a smaller wavelength, not the long wavelength red laser that is used for CDs. The shorter wavelength allows the beam to be more accurate. This accuracy means that more data can be stored on a DVD than a CD. Data can only be written on one side of a CD, but a DVD can be written on both sides depending on the type of DVD (for example, DVD-5) you have. For more information see the link below.
