You may subscribe to the SPIE forum by following this link
http://www.spie.org/app/forums/index.cfm?fuseaction=messages§ionID=77
or
http://spie.org/app/forums and click on Polarization,
or by going to spie.org, click on Membership, click on Technical
Groups, scroll down to Polarization and click on Discussion Forum,
finally click on subscribe. Note that the confirmation email will
state explicitly your password that you choose, so choose wisely. You
will then be given the following notification options:
1. You can either receive immediate notification via email every time a
new message is posted to this forum.
-OR-
2. You can receive one daily reminder email if any new messages were
posted.
You do not need to be a Technical Group member to sign up for the
discussion forum.
I hope this works for you but definitely let someone on the
Polarization Technical Group committee and / or at SPIE know what you
think.
Regards,
David