Plane wave rectangular waveguide high impedance wall structure and amplifier using such a structure

A rectangular waveguide for transmitting an electro-magnetic signal, comprising:

• a rectangular waveguide having;
• four walls surfaces comprising two opposing sidewalls, a top wall and bottom wall;
• and
• a respective wall structure on at least two of said four wall surfaces of said waveguide, said respective wall structure presenting a high impedance to an E field transverse to an axis of the waveguide and parallel to the wall structure, and a low impedance parallel to the waveguide axis, said waveguide transmitting the electromagnetic signal having vertical polarization, said respective wall structures provided on top and bottom walls of said waveguide.

A rectangular waveguide for transmitting an electromagnetic signal, comprising:

• a rectangular waveguide having four wall surfaces comprising two opposing sidewalls and a top and bottom wall;
• and
• a respective wall structure on at least two of said four wall surfaces of said waveguide, said respective wall structure presenting a high impedance to an E field transverse to an axis of the waveguide and parallel to said respective wall structure, and a low impedance parallel to the waveguide axis, wherein said wall structure comprises:
• a sheet of dielectric material having two sides;
• a conductive layer on one 'side of the two sides of said dielectric material;
• a plurality of mutually spaced parallel conductive strips on the other side of the two sides of said dielectric material;
• and
• a plurality of conductive vias, each of said vias extending through said dielectric material between said conductive layer and one of said conductive strips.

An electro-magnetic signal amplifier, comprising:

• a waveguide input section having a rectangular cross section and four walls, further having a respective high impedance wall structure on two opposing walls of said four walls;
• a waveguide amplifier section having a rectangular cross section and four walls, further having a amplifier array mounted midway through said amplifier section and a respective high impedance wall structure on said four walls of said amplifier section;
• and
• a waveguide output section having a rectangular cross-section and four walls, further having a respective high impedance wall structure on two opposing walls of said four walls of said output section.

An electro-magnetic signal amplifier, comprising:

• a waveguide input section having a rectangular cross section and four walls, further having a respective high impedance wall structure on two opposing walls of said four walls;
• a waveguide amplifier section having a rectangular cross section and four walls, further having an amplifier array mounted midway through said amplifier section and a respective high impedance wall structure on said four walls of said waveguide amplifier section;
• and
• a waveguide output section having a rectangular cross-section and four walls, further having a respective high impedance wall structure on two opposing walls of said four walls, wherein said four walls of said output section comprise two sidewalls, a top wall and a bottom wall, said respective high impedance wall structure mounted on said top and bottom walls of said output section.

An electromagnetic signal amplifier, comprising:

• a waveguide input section having a rectangular cross section and four walls, further having a respective high impedance wall structure on two opposing walls of said four walls;
• a waveguide amplifier section having a rectangular cross section and four walls, further having a amplifier array mounted midway through said amplifier section and a respective high impedance wall structure on said four walls of said amplifier section;
• and
• a waveguide output section having a rectangular cross-section and four walls, further having a respective high impedance wall structure on two opposing walls of said four walls of said output section, wherein said amplifier section further comprises two matching polarizers, a respective matching polarizer mounted on each side of said amplifier array.

An electromagnetic signal amplifier, comprising:

• a waveguide input section having a rectangular cross section and four walls, further having a respective high impedance wall structure on two opposing walls of said four walls;
• a waveguide amplifier section having a rectangular cross section and four walls, further having a amplifier array mounted midway through said amplifier section and a respective high impedance wall structure on said four walls of said amplifier section;
• and
• a waveguide output section having a rectangular cross-section and four walls, further having a respective high impedance wall structure on two opposing walls of said four walls of said output section, wherein said wall structure presents a high impedance to E fields transverse to the longitudinal axis of the waveguide and a low impedance parallel to the longitudinal axis of the waveguide.

An electro-magnetic signal amplifier, comprising:

• a waveguide input section having a rectangular cross section and four walls, further having a respective high impedance wall structure on two opposing walls of said four walls of said waveguide input section;
• a waveguide amplifier section having a rectangular cross section and four walls, further having a amplifier array mounted midway through said amplifier section and a respective high impedance wall structure on said four walls of said waveguide amplifier section;
• and
• a waveguide output section having a rectangular cross-section and four walls, further having a respective high impedance wall structure on two opposing wall of said four walls of said output section, wherein said wall structures respectively comprise:
• a sheet of dielectric material having two sides;
• a conductive layer on one side of the two sides of said dielectric material;
• a plurality of mutually spaced parallel conductive strips on the other side of the two sides of said dielectric material;
• and
• a plurality of conductive vias, each of said vias extending through said dielectric material between said conductive layer and one of said conductive strips.