Ch. 4: Spatial Resolution

Question 1

What is spatial resolution?

Answer 1

The amount of detail or sharpness in an image.

Question 2

What two factors determine PSP resolution?

Answer 2

Phosphor layer thickness and pixel size.

Question 3

How does phosphor layer thickness affect resolution?

Answer 3

Thinner layers provide higher resolution.

Question 4

What is the typical resolution for film/screen systems?

Answer 4

About 10 line pairs per millimeter.

Question 5

What is the resolution range for PSP systems?

Answer 5

Approximately 2.55–5 line pairs per millimeter.

Question 6

Why does digital imaging appear detailed despite lower resolution?

Answer 6

It displays more gray shades