Date: Mon, 14 Feb 2011 08:27:27
Author: Paul Doherty
Subject: Re: Jello Gradient Index lens modeling the SOFAR sound channel
I did notice that the site I quoted was from Harvard!
I'll try your suggestion and post the results here.
On Feb 14, 2011, at 6:55 AM, Rueckner, Wolf wrote:
> Maybe the following would work. Make a gradient index like ours (you =
gave the link below) using gelatin instead of plain water. Make a =
second one. Pop the two out of their molds and sandwich them together =
with their high-concentration sugar sides touching. -- Wolfgang
> On Feb 13, 2011, at 8:37 PM, Paul Doherty wrote:
>> Hi Tap ers
>> The Exploratorium Explainers are working with NOAA and want to build =
an optical model of the undersea sound channel.
>> I want to build a jello based gradient index (GRIN) optical pathway =
that will trap a laser beam.
>> I showed them the one where I layer water (doped with milk) over corn =
syrup (doped with milk) and leave it for a day to allow a gradient to =
form. But they want the gradient at both sides of a channel not just at =
>> like this
>> I found this site on line but the gradient looks a bit too gentle.
>> Anyone have ideas about or experience making a stronger gradient?
>> Or do I just make a very long tube of GRIN jello.
>> Paul D
BouncingLightBeam/BouncingLightBeam.htmlI found this site on =
line but the gradient looks a bit too gentle.http://www.maximizingprogress.org/2010/11/fiber-optic=
-jello-cooking-up-grin-lens.htmlAnyone have ideas about or =
experience making a stronger gradient?Or do I just make a very =
long tube of GRIN jello.Paul =
From email@example.com Mon Feb 14 12:30:22 2011