CD's as parabolic mirrors?

Contemporary messages sorted: [ by date ] [ by thread ] [ by subject ] [ by author ] [ by messages with attachments ]

From: Eric Smith <eric_at_brouhaha.com>
Date: Mon Dec 11 15:21:39 2000

> I believe that the tracks on a CD are concentric rings,
> which would make a CD something of a reflective Fresnel lens.
>

It's a single spiral groove, but the macroscopic optical effects are
probably similar.
Received on Mon Dec 11 2000 - 15:21:39 GMT

This message: [ Message body ]
Next message: Eric Smith: "Data Archival (OT Long)"
Previous message: Don Maslin: "GOOD scrounging day!"
In reply to: Andreas Meyer: "CD's as parabolic mirrors?"
Next in thread: Eric J. Korpela: "CD's as parabolic mirrors?"
Reply: Eric J. Korpela: "CD's as parabolic mirrors?"

Contemporary messages sorted: [ by date ] [ by thread ] [ by subject ] [ by author ] [ by messages with attachments ]

This archive was generated by hypermail 2.3.0 : Fri Oct 10 2014 - 23:32:49 BST