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Figure 1
Calculated X-ray tube Bremsstrahlung output, after transmission through the optical filter, at several different excitation voltages/emission currents: 8.0 kV/0.1 mA, 4.0 kV/1.0 mA and 1.9 kV/2.0 mA for a Cu anode, and 4 kV/1.0 mA for a W anode. Characteristic lines (Cu L and W M series) were not included in the calculation. The vertical axis is in arbitrary units, but proportional to photons s−1 sr−1. The horizontal axis is shown up to 5 keV for ease of comparison with Fig. 3 ![]() |