TITLE

Time reversal three-dimensional imaging using single-cycle terahertz pulses

AUTHOR(S)
Buma, T.; Norris, T. B.
PUB. DATE
March 2004
SOURCE
Applied Physics Letters;3/22/2004, Vol. 84 Issue 12, p2196
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We demonstrate three-dimensional imaging using single-cycle terahertz electromagnetic pulses. Reflection-mode imaging is performed with a photoconductive transmitter and receiver and a reconstruction algorithm based on time reversal. A two-dimensional array is synthesized from ten concentric ring annular arrays with numerical apertures ranging from 0.27 to 0.43. The system clearly distinguishes image planes separated by 1.5 mm and achieves a -6 dB lateral resolution of 1.1 mm. In terms of the illuminating terahertz power spectrum, the lateral resolution is 38% and 81% of the peak and mean wavelengths, respectively. © 2004 American Institute of Physics.
ACCESSION #
12530467

 

Related Articles

Share

Read the Article

Courtesy of VIRGINIA BEACH PUBLIC LIBRARY AND SYSTEM

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics