FINSIG 05
FINSIG 05
FINSIG 05
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"" ""##$$ $$%%&& && '' ''(( (())** **++,, ,,--.. ..//00 001122 22 2233 33 3344 44 4455 55 5566 66 6677 77 77888888888888:: :: ::;; ;; ;; >>?? ?? ??@@ @@ @@AA AA AA AA99999999999911 0011 // // .. -- ,,--++++ ** )) )) (( && && '' '' $$%% %%CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB## ## "" ""CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC<strong>FINSIG</strong> 20<strong>05</strong> Kuopio, FinlandPrinciple of SPECT measurementsGamma camera in 2DElectronics? ??@ @ @@A A>>?88 999 : : ::; ; ;;< < 7783 334 4 445 5 556 6 667 7223. ../ / //0 0 001 1 112 2--.) ))* * **+ + ++, , ,,- -(() Aim is to measure a parallelprojection of the photons emittedfrom the object (Ideal) collimator blocks photonsthat are not parallel to its holes Photons are captured by thescintillation crystal “Signal” is amplified by thephotomultiplier tubes In 2D result is a row vector of photoncounts# ##$ $ $$% % %%& & ''( (""#Mikko Kervinen, Department of Applied Physics, University of Kuopio Slide 4
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