Abstract
This paper discusses instantaneous electric near-field imaging in the
K-band. The imaging technique is based on the live electrooptic imaging (LEI)
scheme, which was originally developed for electric near-field imaging in
the microwave range. The measurement frequency of the LEI system is extended
by using the second-order harmonic component of modulated light as a photonic
local oscillator signal. We demonstrated electric near-field imaging over
rather ordinary components such as an SMA connector and a microstrip transmission
line at frequencies up to 25 GHz.
© 2008 IEEE
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