Abstract: A low profile phased array antenna that is configured to be manufactured using additive manufacturing techniques is provided. In one or more embodiments, the phased array can include a plurality of signal ears, ground ears, and clustered pillars that can be arranged in relation to a base plate such that each component of the antenna can be manufactured from a single piece of material, thereby allowing for the use of additive manufacturing techniques which can substantially reduce the cost and time of the manufacturing process. The phased array can include a signal ear that include one or more posts that interface with an airgap located within a base plate of the array, wherein the size of the airgap in relation to the size of the post is configured to achieve an optimal level of impedance matching.

Abstract: A low profile phased array antenna that is configured to be manufactured using additive manufacturing techniques is provided. In one or more embodiments, the phased array can include a plurality of signal ears, ground ears, and clustered pillars that can be arranged in relation to a base plate such that each component of the antenna can be manufactured from a single piece of material, thereby allowing for the use of additive manufacturing techniques which can substantially reduce the cost and time of the manufacturing process. The phased array can include a signal ear that include one or more posts that interface with an airgap located within a base plate of the array, wherein the size of the airgap in relation to the size of the post is configured to achieve an optimal level of impedance matching.

Abstract: A phased array antenna that includes a base plate; first and second spaced apart radiating elements formed by at least one conductive layer disposed on at least one dielectric layer that projects from the base plate; and a pillar disposed between the first and second spaced apart radiating elements, wherein the pillar is electrically connected to the base plate, and the first and second spaced apart radiating elements are configured to capacitively couple to the pillar.

Abstract: A unit cell of for a phased array antenna includes a base plate, a first dielectric layer projecting from the base plate, and a first conductive layer disposed on a side of the first dielectric layer, the first conductive layer includes a ground pillar, a first ground member spaced apart from a first edge of the ground pillar, and a first signal member disposed between the ground pillar and the first ground member, wherein: the first signal member is electrically insulated from the ground pillar and the first ground member, and an edge of the first signal member is configured to capacitively couple to the first edge of the ground pillar.

Abstract: A radiating element for a phased array antenna includes a first dielectric layer, a first conductive layer disposed on a first side of the first dielectric layer, the first conductive layer including a first member comprising a first stem and a first impedance matching portion, wherein the first impedance matching portion comprises at least one projecting portion projecting from a first edge of the first impedance matching portion, and a second member spaced apart from the first member, the second member including a second impedance matching portion, wherein the second impedance matching portion comprises at least one other projecting portion projecting toward the first edge of the first impedance matching portion.

Abstract: A low profile phased array antenna that is configured to be manufactured using additive manufacturing techniques is provided. In one or more embodiments, the phased array can include a plurality of signal ears, ground ears, and clustered pillars that can be arranged in relation to a base plate such that each component of the antenna can be manufactured from a single piece of material, thereby allowing for the use of additive manufacturing techniques which can substantially reduce the cost and time of the manufacturing process. The phased array can include a signal ear that include one or more posts that interface with an airgap located within a base plate of the array, wherein the size of the airgap in relation to the size of the post is configured to achieve an optimal level of impedance matching.

Abstract: An antenna element including a base plate, a first ground clustered pillar projecting from the base plate, a second ground clustered pillar projecting from the base plate and spaced apart from a first side of the first ground clustered pillar is provided. The ground clustered pillars, the signal ears, and the ground ears can be shapes so that the capacitive coupling between the ears and the pillars is sufficient to allow them to be spaced further apart, thereby reducing the number of elements required in the phased array. In some embodiments, the ground ear can be directly machined with the base plate thereby obviating the need for the ground ear to be overmolded into the base plate with the signal ear. In other embodiments the phased array antenna can utilize elastomeric connectors to further improve the mechanical and electrical reliability of the connections of the phase array antenna.

Abstract: A low profile phased array antenna that is configured to be manufactured using additive manufacturing techniques is provided. In one or more embodiments, the phased array can include a plurality of signal ears, ground ears, and clustered pillars that can be arranged in relation to a base plate such that each component of the antenna can be manufactured from a single piece of material, thereby allowing for the use of additive manufacturing techniques which can substantially reduce the cost and time of the manufacturing process. The phased array can include a signal ear that include one or more posts that interface with an airgap located within a base plate of the array, wherein the size of the airgap in relation to the size of the post is configured to achieve an optimal level of impedance matching.

Abstract: An antenna element including a base plate, a first ground clustered pillar projecting from the base plate, a second ground clustered pillar projecting from the base plate and spaced apart from a first side of the first ground clustered pillar is provided. The ground clustered pillars, the signal ears, and the ground ears can be shapes so that the capacitive coupling between the ears and the pillars is sufficient to allow them to be spaced further apart, thereby reducing the number of elements required in the phased array. In some embodiments, the ground ear can be directly machined with the base plate thereby obviating the need for the ground ear to be overmolded into the base plate with the signal ear. In other embodiments the phased array antenna can utilize elastomeric connectors to further improve the mechanical and electrical reliability of the connections of the phase array antenna.

Abstract: A low profile phased array antenna that is configured to be manufactured using additive manufacturing techniques is provided. In one or more embodiments, the phased array can include a plurality of signal ears, ground ears, and clustered pillars that can be arranged in relation to a base plate such that each component of the antenna can be manufactured from a single piece of material, thereby allowing for the use of additive manufacturing techniques which can substantially reduce the cost and time of the manufacturing process. The phased array can include a signal ear that include one or more posts that interface with an airgap located within a base plate of the array, wherein the size of the airgap in relation to the size of the post is configured to achieve an optimal level of impedance matching.

Abstract: A multi-band helix antenna including one or more first arms extending helically about an axis at a first distance from the axis; and one or more second arms extending helically about the axis at a second distance from the axis that is greater than the first distance, wherein each of the one or more second arms comprises at least one trap circuit configured to have a first impedance at a resonant frequency of the one or more first arms and a second impedance at a resonant frequency of the one or more second arms, and the first impedance is greater than the second impedance.

Abstract: An antenna element that includes a base plate, a first ground clustered pillar projecting from the base plate, a second ground clustered pillar projecting from the base plate and spaced apart from a first side of the first ground clustered pillar, a first ground member projecting from the base plate between the first ground clustered pillar and the second ground clustered pillar, wherein a distal end of the first ground member is configured to capacitively couple to the second ground clustered pillar, and a first signal member projecting from the base plate between the first ground clustered pillar and the first ground member, wherein the first signal member is electrically insulated from the base plate, the first ground clustered pillar, and the first ground member, and a distal end of the first signal member is configured to capacitively couple to the first ground clustered pillar.

Abstract: A radiating element for a phased array antenna that includes a base portion, a first member projecting from the base portion comprising a first stem and a first impedance matching portion, wherein the first impedance matching portion comprises at least one projecting portion projecting from a first side of the first impedance matching portion, and a second member projecting from the base portion and spaced apart from the first member, the second member comprising a second stem and a second impedance matching portion, wherein the second impedance matching portion comprises at least one other projecting portion projecting toward the first side of the first impedance matching portion.

Abstract: An antenna element including a base plate, a first ground clustered pillar projecting from the base plate, a second ground clustered pillar projecting from the base plate and spaced apart from a first side of the first ground clustered pillar is provided. The ground clustered pillars, the signal ears, and the ground ears can be shapes so that the capacitive coupling between the ears and the pillars is sufficient to allow them to be spaced further apart, thereby reducing the number of elements required in the phased array. In some embodiments, the ground ear can be directly machined with the base plate thereby obviating the need for the ground ear to be overmolded into the base plate with the signal ear. In other embodiments the phased array antenna can utilize elastomeric connectors to further improve the mechanical and electrical reliability of the connections of the phase array antenna.

Abstract: A radiating element for a phased array antenna includes a first dielectric layer, a first conductive layer disposed on a first side of the first dielectric layer, the first conductive layer including a first member comprising a first stem and a first impedance matching portion, wherein the first impedance matching portion comprises at least one projecting portion projecting from a first edge of the first impedance matching portion, and a second member spaced apart from the first member, the second member including a second impedance matching portion, wherein the second impedance matching portion comprises at least one other projecting portion projecting toward the first edge of the first impedance matching portion.

Abstract: A unit cell of for a phased array antenna includes a base plate, a first dielectric layer projecting from the base plate, and a first conductive layer disposed on a side of the first dielectric layer, the first conductive layer includes a ground pillar, a first ground member spaced apart from a first edge of the ground pillar, and a first signal member disposed between the ground pillar and the first ground member, wherein: the first signal member is electrically insulated from the ground pillar and the first ground member, and an edge of the first signal member is configured to capacitively couple to the first edge of the ground pillar.

Abstract: A metamaterial for receiving electromagnetic waves having any polarization is provided. The metamaterial allows for receipt and/or propagation of electromagnetic waves at a resonant frequency of the metamaterial.

Abstract: A radiating element for a phased array antenna that includes a base portion, a first member projecting from the base portion comprising a first stem and a first impedance matching portion, wherein the first impedance matching portion comprises at least one projecting portion projecting from a first side of the first impedance matching portion, and a second member projecting from the base portion and spaced apart from the first member, the second member comprising a second stem and a second impedance matching portion, wherein the second impedance matching portion comprises at least one other projecting portion projecting toward the first side of the first impedance matching portion.

Abstract: An antenna element that includes a base plate, a first ground clustered pillar projecting from the base plate, a second ground clustered pillar projecting from the base plate and spaced apart from a first side of the first ground clustered pillar, a first ground member projecting from the base plate between the first ground clustered pillar and the second ground clustered pillar, wherein a distal end of the first ground member is configured to capacitively couple to the second ground clustered pillar, and a first signal member projecting from the base plate between the first ground clustered pillar and the first ground member, wherein the first signal member is electrically insulated from the base plate, the first ground clustered pillar, and the first ground member, and a distal end of the first signal member is configured to capacitively couple to the first ground clustered pillar.

Abstract: A phased array antenna including a base plate and a board projecting from the base plate. The board including a dielectric layer and a conductive layer. The conductive layer includes first and second spaced apart radiating elements and a pillar disposed between the first and second spaced apart radiating elements. The pillar is electrically connected to the base plate, and the first and second spaced apart radiating elements are configured to capacitively couple to the pillar.