Abstract
When a Fresnel zone plate is used as a coded aperture to image large-area sources of X-rays or gamma rays, it is necessary to use a half-tone screen. It is shown that small-area sources, with such a system, will always produce strong ghost images or artifacts.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 133-134 |
| Number of pages | 2 |
| Journal | Optical Engineering |
| Volume | 12 |
| Issue number | 4 |
| DOIs | |
| State | Published - 1973 |
ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics
- General Engineering