Technologies

Displaying technologies 17 - 24 of 247 in total

Optical fiber with tunable birefringence using pressurized liquid capillaries

AFRL has developed a single-mode optical fiber segment incorporating liquid-filled holes parallel to the core that are sealed at each end. Heating the liquid produces stress in the fiber and increases the birefringence level. 

Air Force Research Laboratory- Space Vehicles Directorate (RV) logo

Air Force Research Laboratory- Space Vehicles Directorate (RV)

Kirtland AFB, NM
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Fiber composite over-wrap for a cryogenic structure

AFRL has developed a structure that has an inner, load bearing member and a surrounding, concentric over-wrap. The inner member is composed of a carbon composite and the over-wrap is composed of a non-carbon composite. The inner member has a negative coefficient of thermal expansion and the over-wrap has a positive coefficient of thermal expansion that is an order of magnitude greater than that of the inner member. 

Air Force Research Laboratory- Space Vehicles Directorate (RV) logo

Air Force Research Laboratory- Space Vehicles Directorate (RV)

Kirtland AFB, NM
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Tape-spring deployable boom

AFRL has developed a self-deployable, monolithic, open-lattice frame structure of resilient, tape-spring members. The structure is made of three or more longitudinal prismatic tape-spring members (longerons) and non-prismatic tape-spring members (battens) that are connected transversely to the longerons. 

Air Force Research Laboratory- Space Vehicles Directorate (RV) logo

Air Force Research Laboratory- Space Vehicles Directorate (RV)

Kirtland AFB, NM
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Approaches to actively protect spacecraft from damage due to collisions with ions

AFRL has developed a method where one or more conducting plates electrically-biased negatively with respect to a spacecraft's electrical potential and insulated from the spacecraft surface are located around the spacecraft surface. There, contaminant ions in a plasma surrounding the spacecraft are attracted to and accelerated through the conducting plates electric potential, caused to collide with the conductive surface, neutralized through collisions with surface atoms, and then reflected away from the spacecraft as neutral atoms or molecules.

Air Force Research Laboratory- Space Vehicles Directorate (RV) logo

Air Force Research Laboratory- Space Vehicles Directorate (RV)

Kirtland AFB, NM
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Multifaceted prism to cause the overlap of beams from a stack of diode laser bars

AFRL has developed an optical element for homogenizing and, possibly, concentrating the output from high-power two-dimensional semiconductor laser arrays, which has the basic shape of a convex-flat cylindrical lens with a facet cut into the convex surface for each individual semiconductor laser bar.

Air Force Research Laboratory- Directed Energy Directorate (RD) logo

Air Force Research Laboratory- Directed Energy Directorate (RD)

Kirtland AFB, NM
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Web malware blocking through parallel resource rendering

The invention provides an apparatus and method for transforming web resources into safe versions so clients viewing resources with malicious code cannot be attacked. The invention separates the processing of insecure code from the processing of benign code. For webpages, the benign code is displayed immediately to the client while insecure code is processed on a separate machine.  Once insecure code is processed,  benign outputs of the code are passed to the client for display. The invention safeguards the client against known and zero-day exploits without requiring a catalog of malware or virus signatures, heavyweight code checkers, complete page re-writing or highly restrictive access policies. The invention provides the client with complete malware blocking while retaining most of the original functionality of the web resource.  In a preferred embodiment of the invention, an apparatus for transforming internet resources into safely rendered versions is comprised of at least one rendering computer processor, one proxy computer processor, one client computer processor, one internet resource provider processor with internet connection and a computer software program containing computer executable instructions stored on a nontransitory medium. When read by the rendering computer processor and the proxy computer processor, it will render the contents of the internet resources and cause the proxy computer processor to retrieve an internet resource from the internet resource provider upon request from either the client computer processor or the rendering computer processor.  This further causes the proxy computer processor to provide the internet resource to the rendering computer processor and client computer processor. When the internet resource is not a webpage, this causes the rendering computer processor to provide a remotely viewed version of the internet resource to the client computer processor.  Another preferred embodiment of the invention is an apparatus for transforming internet resources into safely rendered versions. When the internet resource is a webpage, a rendering browser retrieves the webpage in its entirety using the original code set, opens a communications channel to the client browser and sends Document Object Model (DOM) updates to the client browser. It then sends page requests to the proxy computer processor, changes in the rendering browser’s version of the webpage to the client browser, and continually listens for client actions from the client browser, implements client browser actions, and requests new webpages from the proxy computer processor. The client browser renders the webpage using only code that is known to be benign, opens a communications channel to the rendering browser, continually listens for DOM updates from the rendering browser, makes webpage changes according to any new DOM structure, and sends client actions to the rendering browser.  

Air Force Research Laboratory- Information Directorate (RI) logo

Air Force Research Laboratory- Information Directorate (RI)

Rome , NY
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Real-time evaluation of change in thermal conductivity across an interface

AFRL has developed a method of using Structural Health Monitoring (SHM) techniques for determining whether changes in thermal conductivity have occurred to a particular interface between two joined structural members.

Air Force Research Laboratory- Space Vehicles Directorate (RV) logo

Air Force Research Laboratory- Space Vehicles Directorate (RV)

Kirtland AFB, NM
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Grid-stiffened panel with integrated fluid distribution channels

AFRL has developed a modified isogrid panel including face sheets and underlying longitudinal and transverse ribs which stiffen the panel. 

Air Force Research Laboratory- Space Vehicles Directorate (RV) logo

Air Force Research Laboratory- Space Vehicles Directorate (RV)

Kirtland AFB, NM
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