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Microwave indirect holographic imaging using an adaptation of optical techniques

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3 Author(s)
Smith, D. ; Dept. of Electr. & Electron. Eng., Northumbria Univ., Newcastle upon Tyne, UK ; Leach, M. ; Sambell, A.J.

Indirect holography provides a quick and inexpensive three-dimensional (3-D) imaging technique at optical frequencies which has not been directly adapted to microwave imaging. This letter describes a technique whereby a radiated offset reference plane wave can be electronically synthesized allowing this technique to be used at microwave frequencies. In this letter, this technique has been applied to the problem of determining antenna radiation patterns and reconstructing complex near fields. Early experimental results compare favorably with results taken using traditional methods.

Published in:

Microwave and Wireless Components Letters, IEEE  (Volume:13 ,  Issue: 9 )