… optimum thickness for the first local maximum can not be less than /(2cx). The magnitudes of
crystal thickness, optimal for the diffraction efficiency … which the diffraction efficiency will be …

… were given to plates of different thickness to achieve optimal efficiency. Tables 1 and 2 … ,
the highest diffraction efficiency that could be obtained just at a critical value of thickness was T= …

… diffraction efficiency for a thick mosaic crystal is 0.50, but in order to achieve even a 0.30
diffraction efficiency … For a [111] Si crystal at 400 keV one finds optimum values of T = 18.5 mm …

… diffraction efficiencies between 0.90 and 0.95 and bandwidths of up to 100 arc sec. The
diffraction efficiency in the Laue geometry is defined as the ratio of the intensity of the diffracted …

… There is thus an optimum thickness for any powder specimen … efficiency of reflection of the
specimen continues to increase with increasing/~r, partly on account of the greater thickness …

… profile thickness. The conversion of a phase delay into a physical thickness for a diffractive
… The depth of the gratings was varied over a region that included the optimum as well as the …

… ,uin thickness layer of photoresist covered the multilayer mirror surface, a 0.15/u/n layer of
Al went on top of the first layer, and above the layer of Al a layer of e-resist of O.3jiin thickness …

… of the grating along sample thickness to calculate the energy … diffraction efficiency and on
the optimal sample thickness. … predicted optimal thickness to obtain the maximum diffraction …

… thickness of volume holograms by analyzing the variations of the diffraction efficiency (for the
first-order diffracted … Its precision is not high but is optimal owing to the quality of the current …

… Under the optimal thickness of Ta 2 O 5 and SiO 2 , Fig. 5 shows the dependence of diffraction
efficiency on the cylindrical hole depth, which is not equal to the thickness of Ta 2 O 5 film …