MEASUREMENT OF THE PARAMETERS OF THE FOCAL SPOT OF AN X-RAY TUBE USING KUMAKHOV OPTICS 11
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MEASUREMENT OF THE PARAMETERS OF THE FOCAL SPOT OF AN X-RAY TUBE USING KUMAKHOV OPTICS 11

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where E is the energy of an x-ray quantum, eV. For example, for the energy of the characteristic radiation of the K series of

copper, θcr ≈ 4 mrad. Thus, the angle of capture by an individual capillary equal, obviously, to two critical angles, is very

small. At the exit from the capillary system, we also obtain low divergence of the beam of x-radiation, the value of which

within the framework of a geometrico-optical treatment is equal to the critical angle. In contrast, in the individual cases

described by the wave theory the divergence of the beam of x-radiation may be even less than the critical angle [10]. 

 

Romanov A.Yu. Measurement of the Parameters of the Focal Spot of an X-Ray Tube Using Kumakhov Optics // Measurement techniques. – 2004. – V.47. - №7. – P.670 - 674. 

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