Lithographic Dipole Antenna Properties at 10 μm Wavelength: Comparison of Method-of-Moments Predictions with Experiment.

Dipole antennas designed for operation at 10 μm wavelength have been fabricated by optical lithography and their properties measured by detection of CO₂ laser radiation in integrated thin-film bolometers. We find a remarkably strong increase in cross-polarized signal as the antenna linewidth is increased. The measured beam pattern is a saddle point at broadside (local minimum in the H-plane, local maximum in the E-plane) as predicted by standard method-of-moments theory. [ABSTRACT FROM AUTHOR]