Re: [Phys-l] Amplitude in E&M

[Bernard Cleyet <bernardcleyet@redshift.com>]

On 2011, Sep 19, , at 18:49, brian whatcott wrote:

> We suppose that an electromagnetic wave cycles magnetic and electric 
> components (though I hear it is considered improper to represent this 
> wave as cycling between modes, for some reason that escapes me)


Cycling tends to imply an out of phase relationship?



>  except at shallow glancing 
> angles, where the relevant interactions have enough proximity to provide 
> some  reflection.


This increased reflection is optically predicted by the Fresnel eqs.    Does glancing angle result in apparently greater density of electrons for the gammas?.


bc used a grazing incidence grating (monochrometer) in his UV research.