Collimator Flashcards
1
Q
What is the purpose of the collimator?
A
Ensures only photons of a single direction pass.
2
Q
What is the collimator?
A
A honeycomb of long, thin tubes made of a high absorption material (lead) .
3
Q
What order is the collimator?
A
1st.
4
Q
Why does the collimator help the final image?
A
It stops scattered photons from being in the final image, causing greater image sharpness.
5
Q
How to improve collimator?
A
Make the tubes longer and narrower.