| 摘要 |
<p>A system and method for creating a three-dimensional image (24) of an opaque object (12) utilize frequency diverse coherent illumination (10) in combination with an opacity constraint in performing three-dimensional phase retrieval and/or profile retrieval. An opaque object (12) is one which exhibits only surface scattering and no volume scattering over volumes that extend beyond the desired range resolution. The system and method require only fourier intensity information to create a three-dimensional image (24) which avoids the difficulties associated with prior art systems and methods requiring phase information ot produce similar images. Furthermore, the system and method of the present invention do not require imaging optics, precise alignment of optical components, or precise phase stability of the coherent illumination source.</p> |
