Invisible Cloak for Military UAS

2015-09-04

Invisible Cloak for Military UAS
Scientists are working on creating   a new design for a technology that redefines what the public views as imaginary. Inspired  by the  well-known Invisibility Cloak from Harry  Potter, electrical  engineers at  the University of California,  San  Diego have created a  new design  for  their cloaking device,  using  a  Teflon substrate,  studded with cylinders of ceramic,  that is  thinner than any prior development and does not alter the brightness of light around concealed  objects.

The Teflon has a low refractive index, while the ceramic’s refractive index is higher,   which allows light to be dispersed through the sheet without any absorption.  Compared to an invisibility cloak, this technology has not only the ability to conceal, but the ability to increase optical communication signal speed and to collect solar energy.

The goal of this design is to create devices that make any object appear invisible by scattering the electromagnetic waves, such as light and radar, off an object making it less detectable to these wave frequencies. Metamaterial  that surrounds  the target is able  to force light  to bypass  a region   of space,  which  effectively  “cloaks” the object, making  it  isolated from incoming electromagnetic waves.

Prior developments to this technology needed many layers in order to cover an object, resulting in a very thick layer that enclosed the object. With this new, super- thin design, this technology has   the capability to better hide the three- dimensionality and shadow of an object. Additionally, this new cloaking device addresses the issue with the brightness of the space behind them. The University of California has achieved a cloak that won’t reduce any intensity when light is reflected so the concealed object will remain undetectable and will appear completely flat to an observer’s eyes.

“Invisibility may seem like magic at first, but its underlying concepts are familiar to everyone.  All it  requires is  a  clever manipulation  of  our  perception,” said Boubacar Kanté, a professor  in the Department of Electrical and Computer Engineering  at  the UC San Diego   Jacobs School  of Engineering  and  the senior author  of the study.  “Full invisibility still seems beyond reach today, but it might become a reality in the near future thanks to recent progress in cloaking devices.”

Having the ability to create ultimate stealth protection for anything over a battlefield or warzone provides enormous military advantage over the adversary. In theory, creating a cloaking device would be used to conceal larger objects. This cloaking device would be valuable to many technologies,   including   unmanned air vehicles (UAVs) due to the capability to disappear from view and leaving no visual, electronic or infrared signature   for an enemy to detect. Creating the effect of an   invisibility cloak   offers   a real-world solution to concealment, which can provide the military with air superiority. While this cloak has numerous applications for the military, this technology will create a ripple effect beyond the battlefield that will improve the performance of other diverse applications.

“Doing whatever we want with light waves is really exciting,” said Kanté. “Using this technology, we can do more than make things invisible.  We can change the way light waves are being reflected at will and ultimately focus   a large area of sunlight onto a solar power tower, like what a solar concentrator does. We also expect this technology to have applications in optics, interior design and art.”



RPAS Environmental Protection Demo in Wales

2015-09-25
RPAS Environmental Protection Demo in Wales

QinetiQ is to demonstrate the use of Remotely Piloted Air Systems (RPAS) in tackling environmental issues in a one-week project on the Welsh coast in November 2015.

Lethal drones are the industry's latest headache

2015-09-21
Lethal drones are the industry's latest headache
Earlier this summer, a Connecticut man rigged a handgun to the top of an unmanned aircraft, posting a video of the device hovering in the woods and firing shots. The spectacle raised more concern about how consumers or law enforcement could wreak havoc with drones, a fast-growing technology with immense potential.

 FALCON – Internet for the Battlespace

2015-09-18
FALCON – Internet for the Battlespace
The BAE Systems designed Falcon system gives the British Army and Royal Air Force a real advantage in the digital age. Falcon is a fully deployable, tactical communications system with an impressive ability to interface with a wide range of other systems. This means that voice, data and video information can now be shared securely across the battlespace using one common system.

Drones take flight at Husker Harvest Days

2015-09-16
Drones take flight at Husker Harvest Days
Farming and ranching is ready for takeoff.
Husker Harvest Days, an annual state fair of agricultural information and technology, launched its first demonstrations Tuesday of unmanned aircraft systems, also known as drones.

Drone hobbyists find flaws in "close call" reports to FAA from other aircraft

2015-09-14
Drone hobbyists find flaws in "close call" reports to FAA from other aircraft

Hobbyists who scrutinized reports to the FAA of alleged close calls with drones found that pilots reported near misses in only a small fraction of the cases, according to a study obtained by USA TODAY.

FAA Releases Updated Model Aircraft Guidance

2015-09-13
FAA Releases Updated Model Aircraft Guidance

The Federal Aviation Administration (FAA)  published updated guidance on model aircraft operations that reflects current law governing hobby or recreational use of unmanned aircraft.

Is Private Airspace Ownership Really “Up in the Air”?

2015-09-09
Is Private Airspace Ownership Really “Up in the Air”?
As I write this article, many of my colleagues in the commercial drone industry have focused their attention on the State of California and are anxiously waiting to see if the California Governor will sign or veto SB 142, which recently passed in the California legislature.

Farm drones expected to take off

2015-09-08
Farm drones expected to take off
Every week, an agronomist walks a portion of the 600 acres of crops at the Sunrise Acres dairy to gather information used to fight pests, weeds and other maladies that could threaten the harvest.
It’s a labor-intensive process repeated at farms throughout Wisconsin, and it’s one farmers say could soon become vastly more efficient thanks to drone technology.

Russia and China are developing drones that could make stealth aircraft obsolete

2015-08-28
Russia and China are developing drones that could make stealth aircraft obsolete
The US and its allies continue to invest heavily in the F-35 and other stealth-capable aircraft. But Russia and China are rapidly developing systems that would negate the benefits that stealth offers.

Five Important Points to Help you Process UAS Integration in the US

2015-08-27
Five Important Points to Help you Process UAS Integration in the US
The FAA’s progress toward the integration of Unmanned Aircraft Systems (UAS) into national airspace is slow but on track, according to a recent report by the Government Accountability Office (GAO).


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