Monochromator Parameters

		Solve for
Photon Energy [eV]				Wavelength [nm]
Groove Freq [lp/mm]				Groove Period [nm]
Incl'd angle, 2K [deg]				Diffr Order (constant)
Inc't angle, graz [deg]				Inc't angle, norm [deg]
Diffr angle, graz [deg]				Diffr angle, norm [deg]