i read that CD burner has 2 lasers.. a write laser, a read laser and a eraser laser.
is this true? there is 3 lasers in a burner or just one.. with different heat settings for each?
2007-04-02 20:52:54 · 3 answers · asked by rooney8 2 in Computers & Internet ➔ Other - Computers
These are 3 different lasers that share a single lens.... each laser is calibrated to a specific power to achieve the correct properties....read, write, erase...
http://computer.howstuffworks.com/cd-burner5.htm
http://computer.howstuffworks.com/cd5.htm
2007-04-02 21:03:08 · answer #1 · answered by Vincent 6 · 0⤊ 0⤋
Just 1 with special settings that allows it to do what it needs to (so far as I've known / seen).
2007-04-02 21:01:58 · answer #2 · answered by Norak D 7 · 0⤊ 0⤋
i thought there was only one
2007-04-02 20:55:36 · answer #3 · answered by greenfish 2 · 0⤊ 0⤋