Integral RF-optical phased array module

Patent metadata

Field	Value
Publication number	US-9595757-B2
Application number	US-201414183054-A
Country	US
Kind code	B2
Filing date	Feb 18, 2014
Priority date	Dec 24, 2013
Publication date	Mar 14, 2017
Grant date	Mar 14, 2017

Abstract

An integral phased array module may include a substrate and a radio frequency (RF) element provided in relation to the substrate. The RF element being configured to at least one of transmit and receive RF signals. The RF element includes a footprint of a particular size and shape with respect to the substrate and the substrate is sized to accommodate the footprint of the RF element. The integral phased array module may also include an optical function element configured to perform an optical function. The optical function element is located relative to the RF element on the substrate for integrating multi-band functionality into a single aperture.

First claim

What is claimed is:

1. An integral phased array module, comprising:
a substrate;
a radio frequency (RF) transceiver element provided in relation to the substrate, the RF transceiver element being configured to at least one of transmit and receive RF signals, wherein the RF transceiver element comprises a footprint of a particular size and shape with respect to the substrate and the substrate is sized to accommodate the footprint of the RF transceiver element; and
an optical function transceiver element configured to perform an optical function, the optical function comprising transmitting or receiving an optical beam, wherein the optical function transceiver element is located relative to the RF transceiver element on the substrate to avoid interference between the optical function transceiver element and the RF transceiver element and for transmitting or receiving the optical beam and transmitting or receiving the RF signals through a single aperture.

2. The integral phased array module of claim 1 , wherein the optical function transceiver element comprises:
a tube comprising a first end extending through an opening in the substrate;
a beam manipulating mechanism for manipulating the optical beam, the beam manipulating mechanism being positioned in the tube proximate the first end of the tube; and
an optical fiber for optically coupling the beam manipulating mechanism to an optical device.

3. The integral array module of claim 2 , wherein the tube is made from a conductive material and is at ground electrical potential.

4. The integral phased array module of claim 2 , wherein the tube comprises a cylindrically shaped tube.

5. The integral phased array module of claim 2 , wherein the optical fiber comprises an optical fiber bundle.

6. The integral phased array module of claim 2 , wherein the beam manipulating mechanism comprises a micro-optical-electro-mechanical system.

7. The integral phased array module of claim 1 , further comprising a lens covering the RF transceiver element and the optical function transceiver element.

8. The integral phased array module of claim 7 , further comprising a cover plate, wherein the cover plate comprises an opening formed therein the lens extending at least partially through the opening for sending and receiving the optical beam.

9. The integral phased array module of claim 8 , wherein the cover plate comprises wave impedance match (WAIM) cover plate configured to pass RF energy.

10. The integral phased array module of claim 1 , wherein the RF transceiver element comprises an array of antennas and the optical function transceiver element comprises a plurality of optical function transceiver elements.

11. The integral phased array module of claim 10 , wherein each optical function transceiver element comprises:
a tube comprising a first end;
a beam manipulating mechanism for manipulating the optical beam, the beam manipulating mechanism being positioned in the tube proximate the first end of the tube; and
an optical fiber for optically coupling the beam manipulating mechanism to an optical device.

12. The integral phased array module of claim 1 , further comprising an optical wave impedance match (WAIM) cover disposed over the RF transceiver element and the optical function transceiver element, wherein the optical WAIM cover is configured to be transparent to both RF and optical energy.

13. The integral phased array module of claim 12 , wherein the WAIM cover comprises an optical shape configured to provide at least one of optimum energy collection, image formation and beam steering.

14. A vehicle, comprising:
a vehicle body;
an array of integral phased array modules mounted to the vehicle body, each one of the integral phased array modules comprising:
a substrate;

a radio frequency (RF) transceiver element provided on the substrate, the RF transceiver element being configured to at least one of transmit and receive RF signals, wherein the RF transceiver element comprises a footprint of a particular size and shape on the substrate and the substrate is sized to accommodate the footprint of the RF transceiver element; and
an optical function transceiver element configured to perform an optical function, the optical function comprising transmitting or receiving an optical beam, wherein the optical function transceiver element is provided on the substrate with the RF transceiver element and the optical function transceiver element is located relative to the RF transceiver element on the substrate to avoid interference between the optical function transceiver element and the RF transceiver element and for transmitting or receiving the optical beam and transmitting or receiving the RF signals through a single aperture.

15. The vehicle of claim 14 , wherein the at least one of the optical function transceiver element comprises:
a tube comprising a first end;
a beam manipulating mechanism for manipulating the optical beam, the beam manipulating mechanism being positioned in the tube proximate the first end of the tube; and
an optical fiber for optically coupling the beam manipulating mechanism to an optical device.

16. The integral phased array module of claim 14 , further comprising a lens covering the RF transceiver element and the optical function transceiver element.

17. The integral phased array module of claim 16 , further comprising a cover plate, wherein the cover plate comprises an opening formed therein the lens extending at least partially through the opening for sending and receiving the optical beam.

18. A method for integrating multi-band functionality, comprising:
providing a substrate;
providing an RF transceiver element on the substrate, the RF transceiver element being configured to at least one of transmit and receive RF signals, wherein the RF transceiver element comprises a footprint of a particular size and shape on the substrate and the substrate is sized to accommodate the footprint of the RF transceiver element; and
providing an optical function transceiver element configured to perform an optical function, the optical function comprising transmitting or receiving an optical beam, wherein the optical function transceiver element is provided on the substrate with the RF transceiver element, the optical function transceiver element being located relative to the RF transceiver element to avoid interference between the optical function transceiver element and the RF transceiver element and for transmitting or receiving the optical beam and transmitting or receiving the RF signals through a single aperture.

19. The method of claim 18 , further comprising
providing a tube, the tube comprising a first end;
positioning a beam manipulating mechanism for manipulating the optical beam in the tube proximate the first end of the tube; and
optically coupling the beam manipulating mechanism to an optical transceiver by an optical fiber.

20. The method of claim 18 , further comprising covering the RF transceiver element and the at least one of the optical function transceiver element by an optical wave impedance match (WAIM) cover, wherein the optical WAIM cover is configured to be transparent to both RF and optical energy.

Assignees

• Boeing Co

Inventors

• Saint Clair Jonathan Martin
• Navarro Julio A

Classifications

• H01Q3/2676 Primary

  Optically controlled phased array · CPC title

• H01Q23/00

  Antennas with active circuits or circuit elements integrated within them or attached to them · CPC title

• H01Q3/26

  varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture ({H01Q3/12,} H01Q3/22, H01Q3/24 take precedence) · CPC title

• H01Q5/22 Primary

  RF wavebands combined with non-RF wavebands, e.g. infrared or optical · CPC title

• Y10T29/49016

  Antenna or wave energy "plumbing" making · CPC title