"lossless" optical waveguide

[\0xDynamite]

> In order to evaluate this as a proposed idea, a physicist would consider:
> 1.  The loss of manufactured optical waveguides did indeed hit an
> unexplained 'floor' in the early 1980s, about 0.16 db/kilometers of loss.2.
> The manufacturers and users of such fibers have had a very powerful
> motivation to figure out how to lower their loss to well below 0.16
> db/kilometers, for nearly 40 years.3.   Nothing has yet been found, or it
> would have been employed.4.   Photons do indeed possess an oscillating
> magnetic field.5.   A nucleus of an isotope with 'spin' does indeed behave
> as magnetic dipole.6.   Such a nucleus should be mechanically affected by
> the passage of light.7.   Energy should be transferred from that light to
> the nucleus, and thus the atom, as the light passes.8.   Removing most or
> all atoms with an electromagnetic 'spin' should remove this loss mechanism,
> in proportion to the amount of such isotopes remaining.
> Do you have any other ideas as to how that loss is manifested?

Does this suggest, then, that glass can be purified by passing it
through a magnetic field.  Perhaps during the extruding process?

Mark