Conduit structures for guiding extremely high frequency (EHF) signals are disclosed herein. The conduit structures can include EHF containment channels that define EHF signal pathways through which EHF signal energy is directed. The conduit structures can minimize or eliminate crosstalk among adjacent paths within a device and across devices. Launch structures that interface with waveguides are also disclosed herein. Launch structures can control the EHF interface impedance between a contactless communication unit and the waveguide. Waveguide structures discussed herein are designed to provide maximum bandwidth with minimal jitter over a desired distance.

Conduit structures for guiding extremely high frequency (EHF) signals are disclosed herein. The conduit structures can include EHF containment channels that define EHF signal pathways through which EHF signal energy is directed. The conduit structures can minimize or eliminate crosstalk among adjacent paths within a device and across devices. Launch structures that interface with waveguides are also disclosed herein. Launch structures can control the EHF interface impedance between a contactless communication unit and the waveguide. Waveguide structures discussed herein are designed to provide maximum bandwidth with minimal jitter over a desired distance.

A pipe has a longitudinal axis. A flex board extends along the longitudinal axis within the pipe and curls around the longitudinal axis. A cross-section of the flex board perpendicular to the longitudinal axis has a flex-board curve shape that has a first section on a first side of a line perpendicular to the longitudinal axis and a second section on a second side of the line perpendicular to the longitudinal axis. The first section has a first section shape and the second section has a second section shape. A first conductive stripe is coupled to the flex board, extends along the longitudinal axis, and follows the contour of the first section of the flex board. A second conductive stripe is coupled to the flex board, extends along the longitudinal axis, and follows the contour of the second section of the flex board.

A pipe has a longitudinal axis. A flex board extends along the longitudinal axis within the pipe and curls around the longitudinal axis. A cross-section of the flex board perpendicular to the longitudinal axis has a flex-board curve shape that has a first section on a first side of a line perpendicular to the longitudinal axis and a second section on a second side of the line perpendicular to the longitudinal axis. The first section has a first section shape and the second section has a second section shape. A first conductive stripe is coupled to the flex board, extends along the longitudinal axis, and follows the contour of the first section of the flex board. A second conductive stripe is coupled to the flex board, extends along the longitudinal axis, and follows the contour of the second section of the flex board.

A wave conductor for electromagnetic waves, waveguide connector and communications link

A wave conductor for electromagnetic waves, preferably a millimeter-wave wave conductor, in particular for a digital communication application, with a conductor core and a one conductor sheathing. The conductor sheathing surrounds the conductor core at least partially in the longitudinal direction and at least partially in the circumferential direction of the wave conductor. One longitudinal section of the wave conductor has cross-sections which deviate from a circle at the outside of the wave conductor and/or at the outside of the conductor sheathing.

Further, a waveguide connector for electromagnetic waves, preferably millimeter-wave waveguide connectors, in particular flying or installable waveguide connectors for a wave conductor. The waveguide connector has a wave conductor plug-in recess in which a longitudinal section of the wave conductor is directly placeable. The wave conductor plug-in recess has an inner circumference coding formation by means of which the wave conductor is placeable in at least one specific orientation in the wave conductor plug-in recess.

A wave conductor for electromagnetic waves, waveguide connector and communications link

A wave conductor for electromagnetic waves, preferably a millimeter-wave wave conductor, in particular for a digital communication application, with a conductor core and a one conductor sheathing. The conductor sheathing surrounds the conductor core at least partially in the longitudinal direction and at least partially in the circumferential direction of the wave conductor. One longitudinal section of the wave conductor has cross-sections which deviate from a circle at the outside of the wave conductor and/or at the outside of the conductor sheathing.

Further, a waveguide connector for electromagnetic waves, preferably millimeter-wave waveguide connectors, in particular flying or installable waveguide connectors for a wave conductor. The waveguide connector has a wave conductor plug-in recess in which a longitudinal section of the wave conductor is directly placeable. The wave conductor plug-in recess has an inner circumference coding formation by means of which the wave conductor is placeable in at least one specific orientation in the wave conductor plug-in recess.

A communications system may include a first active circuit device and a waveguide coupled to the first active circuit device. The waveguide may include a plurality of passive optical devices spaced apart from one another and arranged along an optical path, and an interconnect structure interconnecting the passive optical devices and integrally formed as a unitary body with the passive optical devices. Furthermore, the interconnect structure may have an opening therethrough aligned with the optical path.

A laser ignition system. The system includes a laser, a lens, and a fiber optic cable. The laser is configured to generate pulses having a length ranging from about 10 ns to about 30 ns and pulse energy ranging from about 10 mJ to about 20 mJ. A pulse train may comprise a plurality of the pulses with a repetition rate of greater than 10 kHz. The lens is configured to focus the pulses toward a combustible fluid so as to ignite a plasma. The fiber optic cable extends between the laser and the lens.

A laser ignition system. The system includes a laser, a lens, and a fiber optic cable. The laser is configured to generate pulses having a length ranging from about 10 ns to about 30 ns and pulse energy ranging from about 10 mJ to about 20 mJ. A pulse train may comprise a plurality of the pulses with a repetition rate of greater than 10 kHz. The lens is configured to focus the pulses toward a combustible fluid so as to ignite a plasma. The fiber optic cable extends between the laser and the lens.

A microwave transmission structure is disclosed that includes a mode converter coupling a rectangular waveguide section in which microwave energy propagates in a first mode to a transmission line section in which microwave energy propagates in a second mode. The waveguide section, the mode converter and the transmission line section are cooperatively configured and arranged along a common propagation axis such that microwave energy can propagate in a linear direction through the microwave transmission structure while undergoing a mode conversion at the mode converter.