Using Blue Laser Light for CD Players: Manufacturing Implications

[addiec206]

Homework Statement

Currently cd players use laser light in the red portion of the spectrum. What changes would be required in the manufactering of cds if blue laser light were to be used?

Homework Equations

The Attempt at a Solution

Well I'm pretty sure it has something to do with the wavelengths, but I have no idea what the actual answer is! Help please?

 

[tiny-tim]

welcome to pf!

hi addiec206! welcome to pf!

Currently cd players use laser light in the red portion of the spectrum. What changes would be required in the manufactering of cds if blue laser light were to be used?
…
Well I'm pretty sure it has something to do with the wavelengths, but I have no idea what the actual answer is! Help please?

yes, it's the wavelength

now you need to look up how cds work, and how a cd is made

tell us what you find ​