@article {5_Omni_antenna_slotsMOTL,
	title = {Omnidirectional circularly polarized slot antenna fed by a cylindrical waveguide in millimeter band},
	journal = {Microwave and Optical Technology Letters},
	volume = {49},
	number = {3},
	year = {2007},
	month = {Mar.},
	pages = {638-642},
	abstract = {A circularly polarized slotted array antenna is presented. The array is fed by a circular waveguide propagating the TM01, to properly generate the required polarization. An omnidirectional azimuth radiation pattern is obtained, as well as a ?10{\textdegree}/+30{\textdegree} elevation antenna coverage. Low losses are achieved because of the waveguide feed. The slot array is mechanized over the metallic wall of the circular waveguide. Furthermore, the antenna presents a solid and rigid mechanical structure, which guarantees an optimum and repetitive response in a manufacturing process. A prototype antenna has been designed and measured. Satisfactory results have been obtained. The slotted array takes part from a signal detection system centered in 36.85 GHz.},
	keywords = {Circular polarization, conformal slotted waveguide array, transversal magnetic mode, waveguide to coaxial transition},
	issn = {0895-2477},
	doi = {10.1002/mop.22207},
	url = {http://onlinelibrary.wiley.com/doi/10.1002/mop.22207/abstract},
	author = {J L Masa-Campos and Fern{\'a}ndez, J M and Sierra-P{\'e}rez, M}
}
