Abstract
A new optical configuration for switching light beams called a spherical
Fourier cell is explained. Its use for optical true time delay is outlined.
An experimental apparatus was constructed for a 6–bit delay system,
with 2 bits demonstrated. Delays of 0, 2.1, 4.1, and 6.2 ns were measured.
Loss and crosstalk measurements are also given.
© 2009 IEEE
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