Planewave, wavelength 650nm,
incident at 50 degrees on a dielectric half-space.
The computation can be done with cell size along the
y-axis set to 2.121286845, 4.24257369, 8.48514738 or 16.97029476 nm
to obtain the error in computed reflection and transmission coefficients.
monitorfRT.out - monitor at source-frequency along the z-axis at y=0.