| 摘要 |
<p>The present invention discloses a first optical system to image visible scintillating light generated by an ionizing radiation beamon a scintillating crystalin medium having a first refractive index n1,comprising: a) the scintillating crystal having a second refractive index n2, said crystal being oriented that an angle alpha of the ionizing radiation beam and an angle beta of the optical axis of the scintillating light both relative to the normal of the surface of the scintillating crystal observe the refraction law n1 sin(alpha) = n2 sin(beta); b) imaging optics for the scintillating light being disposed downstream of the scintillating crystal; and c) a position sensitive detector for a spatially resolved imaging of the scintillating light being disposed downstream of the imaging optics; wherein the imaging optics, such as a lens, and the position sensitive detector are oriented that a common intersection of the planes of the scintillating crystal, the imaging optics and the 20 position sensitive detector is established. A second optical system similar to the first one comprises a significant part a mirror for reflecting the scintillating light in a direction substantially perpendicular to the direction of the ionizing radiation beam; said mirror being disposed downstream of the scintillating crystal. The other parts are identical to the respective parts of the first optical system.</p> |
