MEASUREMENT OF THE PARAMETERS OF THE FOCAL SPOT OF AN X-RAY TUBE USING KUMAKHOV OPTICS 7
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MEASUREMENT OF THE PARAMETERS OF THE FOCAL SPOT OF AN X-RAY TUBE USING KUMAKHOV OPTICS 7

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In this case, propagation of radiation is based on the effect of total external

reflection, an effect that arises at low angles of slide. As a result of such multiple low-angle reflection by the curved surface

of the internal walls of the capillaries, radiation propagates along a required direction. The value of the greatest angle of

gliding incidence (expressed in radians) at which the effect of total external reflection (critical angle) arises for the wall may

be estimated by means of the formula

 θcr ≈ 30/E, 

 

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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