Author/Authors :
Schmidt، نويسنده , , K.H. and Bِgner، نويسنده , , M. and Buschhorn، نويسنده , , G. and Kotthaus، نويسنده , , R. and Rzepka، نويسنده , , M. and Wroblewski، نويسنده , , T.، نويسنده ,
Abstract :
Utilizing a commercial optical CCD camera with the smallest pixel size presently available (6.8 × 6.8 μm2) we have measured impact accuracies of 0.9 μm (rms) for 15 keV synchrotron radiation in direct photon counting mode. Of crucial importance was diffusion spreading of the deposited charge such that by centroid reconstruction interpolation between discrete pixel coordinates was possible.