From: | | [log in to unmask][log in to unmask], 12 Jun 2008 17:50:24 +0100815_WINDOWS-1252 Hi Ethan
You could be right, see this paper:
http://physics.nist.gov/Divisions/Div842/Gp2/DUVMatChar/PDF/IntBiref.pdf
Cheers
-- Ian
> -----Original Message----- > From: [log in to unmask] > [mailto:[log in to unmask]] On Behalf Of Ethan A Merritt > Sent: 12 June 2008 15:46 > To: Multiple recipients > Cc: [log in to unmask] > Subject: Re: [ccp4bb] birefringent spacegroups > > On Wednesday 11 June 2008 23:55, Robin Owen wrote: > > Hi Jacob, > > > > The birefringence of a crystal is determined by a three dimensional > > shape (the indicatrix) describing how refractive index varies with > > direction within the crystal. You can think of this as a [...]53_12Jun200817:50:[log in to unmask] |