MEASUREMENT OF THE PARAMETERS OF THE FOCAL SPOT OF AN X-RAY TUBE USING KUMAKHOV OPTICS 14
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MEASUREMENT OF THE PARAMETERS OF THE FOCAL SPOT OF AN X-RAY TUBE USING KUMAKHOV OPTICS 14

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The linear dimension of the spot, radiation from which passes through the capillary (effective size of capillary), is

determined from the formula D = 2l tanqcr + d, where l is the distance of the source of the radiation to the inlet to the capillary;

qcr = 4·10–3 is the critical angle of the total external reflection of CuKa radiation; d, distance between the walls of the

capillary. Thus, with a distance l = 0.5 mm, the effective size of the capillary D = 2·500·4·10–3 + 5 = 9 mm. 

 

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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