Re: High speed cd-rom's.

> > lasers. It's a different type of laser that can read smaller tracks and pit
> > spaces at much higher speeds. CD-ROM's made with "blue light" can hold a
> So... The laser is FASTER?  Neat, can you race 'em to (just kidding!)
> Is this 'blue light' another type of LASER?  Is it somehow narrower, say a
> lower frequecy??  Allowing you to read the CD w/o focusing it?  cool!  But
> more expensive???    Clear this up for me (please!), Since the laser doesn't
> have to be focused, or atleast it doesn't need to be focused AS MUCH, you sav
> huge amounts of time, thus speeding up the process of converting the digital
> code from the CD to the processor, am I correct?
> Corey Hilliard
> P.S. Holography is just a hobby 

Actually laser in the blue end of the spectrum are higher in frequency, not
lower.  Perfecting a laser that could reach that frequency took years,
because the rest of the technology reached it's limits also...  As the years
go by they are pushing the frequencies lasers can reach higher and higher.
Lasers do have to be focused to do anything constructive with them, but that
is generally not a big deal.

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