Military

Found 34 technologies within Military RSS ATOM

A schematic diagram of a double-channel shallow ridge-waveguide configuration using the UCF QCL design.

New Quantum Cascade Laser Design Provides Greater Efficiency and Power for Broad-Area Applications

33908 – QCL design enables the development of compact infrared countermeasure systems that can protect aircraft against next-generation portable surface-to-air missiles. Researchers at the University of Central Florida have designed a compact, lightweight quantum cascade laser (QCL) that can maintain beam quality and protect against laser facet damage while achieving more than 30 watts of optical... Read More

Figure 1. The UCF Holmium laser system concept.

Multi-millijoule Holmium Laser System for Generating Attosecond Pulses

33995 – New system can generate attosecond laser pulses for use in biomolecule manipulation. Researchers at the University of Central Florida have invented an ultrafast Holmium laser system that can generate multi-millijoule-level laser pulse energy centered at 2.05 μm and a 1 kHz repetition rate. With such capabilities, the laser can produce long, ultra-broad bandwidth (4-12 μm wavelength),... Read More

Chemical Sensor with Real-Time, Remote Detection Capabilities and 3D Output

33957 – New detection system can scan gas mixtures from a distance and provide quantifiable data about specific chemicals in the mixture. Researchers from UCF and the United States Navy have invented an optical detection system designed to identify and quantify the chemicals in a gas mixture from a distance and in real time. The new system can provide a 3D mapping/readout of the mixture’s... Read More

New UCF optical nanocomposite material can be drawn into fiber form, dissolved into a solution and deposited as a thin film, or used as a bulk optical component.

Unique Nanocomposites for Fiber- and Planar-Infrared Laser Applications

33951 – Glass-nanocrystal material can be made into optical fibers, thin films and bulk optical elements. UCF researchers have invented a low loss optical nanocomposite material made of glass and high concentrations of nanocrystals (NCs). Unlike conventional crystal laser media, the new glass ceramic medium can be drawn into fiber, coated onto films, deposited as waveguides or formed as bulk... Read More

Schematic of the invention’s shallow-ridge QCL configuration.

Quantum Cascade Laser (QCL) with Angled Active Region for Broad-Area Use

33717 – New QCL technology’s distributed feedback design enables military applications for infrared countermeasures, infrared beacons and target designators UCF researchers have invented a quantum cascade laser (QCL) that provides the ultra-high output power, brightness, and beam quality needed for broad-area applications. Example applications include hyperspectral imaging, infrared illumination,... Read More

Figure 1. Example of the integrated energy harvesting and storage device (IEHSD) interwoven into a jacket.

New Filament Combines Solar Energy Harvesting and Storage Capabilities

33596 – Energy-smart filaments enable soldiers to recharge equipment without weighty, bulky batteries UCF researchers have invented a weavable filament that both captures and stores solar energy simultaneously—two capabilities that have only been available in separate devices until now. Thin and ribbon-like, the solid-state Integrated Energy Harvesting and Storage Device (IEHSD) enables... Read More

Laser diode array configured on the inside of a conical ring for face-pumping a thin disk laser

Produce a Small Disk Laser Made of Multiple Diodes

30203 – The invention details the means, methods and apparatus for creating a multi laser diode array arranged on a washer shaped substrate. Methods for aligning the diode lasers with an active gain media are provided, as well as the means of cooling the array from the back surface High-powered lasers are used for numerous commercial and military applications, such as: etching, tool making,... Read More

Three laser beams overlapped to produce a elements ofW and the four measurements are performed by three dimensional filed according to the present invention

3D Polarimeter for Improved Biological, Microscopy, and Military Imaging Applications

30714 – Methods, systems and apparatus for characterizing the polarization properties of radiation or optical fields which fluctuate three-dimensionally UCF engineering professors have designed a novel device capable of simultaneously measuring properties of radiation occurring in three different directions. The data provide detailed information concerning both the radiation emission processes... Read More

Block diagram of a third embodiment of a communication system that uses adaptive interference cancellation

Methods and Devices for Interference Cancellation in Radio Frequency Communication Systems

30849 – This patent details the technique and apparatus for carrying out communications that use a radio frequency comprised of a signal and an interference component. The interference signal is generated at a control center, sent to an antenna site via fiber optics and transmitted to another control center, aircraft or ship Scientists at UCF have devised a communications system capable of... Read More

Schematic of an exemplary recuperative heat exchanger according to an embodiment of the invention

Thermally Conductive Porous Element-Based Recuperators

31348 – A compact and lightweight heat exchanger with embodiments of heat exchangers based on thermally conductive carbon foam materials to achieve an enhancement in heat transfer and reduction in size and weight Heat exchangers have one very simple purpose, to raise or lower a fluid’s temperature by adding or removing thermal energy. While there are many different sizes, levels of sophistication,... Read More

Schematic diagram of an optical parallel signal processor configured for identifYing a multiplicity of target objects within a real time signal

Signal Processing using Spectrally Phase-Encoded Optical Frequency Combs for High Speed Computing and Pattern Recognition

31090 – Methods, apparatus and systems for a high speed signal processing system As the amount of digital information and communication increases, timely and accurate data collection for software based evaluation and correlation becomes increasingly more difficult. The increase in difficulty arises from three main issues: the sheer volume of the data being generated, the nature of the desired... Read More

Schematic view illustwting an embodiment of a system for pcrlbnning high-precision length measurement

Systems and Methods for High-Precision Long and Short Distance Length Measurement

30570 – Systems and methods for providing high-precision length metrology using mode-locked lasers and spectral interferometry Traditional length measurement can be categorized by two general methodologies. The first approach uses incoherent detection of light pulses to determine time-of-flight information, which is then converted to distance. While this approach is suitable for long distance... Read More

This technology quickly degrades TATP and other peroxide based explosives

On-Site Destruction of Explosive Peroxides Utilizing Metallic Based Nanoparticle Catalysts

30915 – Methods and apparatus for creating and implementing a catalyst that safely degrades peroxide based explosives. TATP and other peroxide based explosives are used extensively by terrorist organizations around the world. They are easy to prepare, can be made from common household items and are very difficult to detect. The low cost of the reactants and the ease with which they can be obtained... Read More

Optical block diagram showing a hybrid lens distance sensor for reflective targets according to the present invention

Low Cost and High Resolution Optical Distance Sensor with a Large Dynamic Range

31603 – This invention provides means and methods for the creation of an optical distance sensor comprised of a laser, hybrid (digital and analog) lens for ideal distance range and resolution, and an optical imager to measure target path length. The invention also makes use of a beam splitter to allow for remote sensing of object distance, motion displacement, 3D structure and spatial profile. ... Read More

(a) and (b) show simplified representations of an intrisic and an extrinsic fiber optic based sensor system, respectively, according to an embodiments of the present invention

Ultra-sensitive Detection of Environmental Contaminants and biologically important molecules Using Coated Quantum Dots

30939 – Methods and apparatus for efficiently generating the reagents (quantum dots with a partial and/or fully semi-conducting outer shell for the selective detection of several substances) and the optical system for detecting said substances. The rise of industry has provided humanity with numerous benefits. Unfortunately, harmful byproducts often result from these advancements. For example,... Read More

Schematic setup providing for generation of partially coherent beams by using phase screens

Highly Reliable High-Capacity Free-space Optical Communication with Partially Coherent Beams

30030 – A communication system and methods of transmitting and receiving sensitive data from a laser source through a non-confined optical free-space by providing a stable connection even under adverse atmospheric conditions UCF engineers and scientists have developed a novel free-space optical communication system using a laser beam for transmitting data by means of partially coherent optical... Read More

Flow diagram of an embodiment of operation of a mobile node after receiving a route request message

Virtual Router for a Robust Wireless Multihop Highly Mobile Communication Network

31107 – The invention represents a method for forming and maintaining wireless communication routes between a source node and a destination node by means of relay nodes and mobile nodes. Performance of networks are unaffected by the mobility of such nodes. Mobile wireless networks exist in two variations: those with infrastructure and those without (also known as mobile ad-hoc networks (MANETs)).... Read More

Shows Airy beam generation through Fourier synthesis using phase masks or filters in the spatial domain

Diffraction Free, Self-Bending Airy Wave Generation

31343 – Methods, apparatus and systems for generating self-bending diffraction free Airy wavepackets in both the special and temporal domain. Any ordinary beam of light spreads as it travels, thanks to the wave effect known as diffraction. Even a laser pointer’s beam gets wider and dimmer on the way to a distant screen. But in 1987 a team introduced the Bessel beam, whose intensity remains... Read More

Schematic showing the excitation scheme of the up-converter resonant cavity light emitting diode red, green and blue pixel

Resonant Cavity Enhances Efficiency of IR to Visible Light Conversion

31036 – Solid state lighting, the use of electron to photon conversions in semiconductors, has proven itself an extremely efficient and robust avenue for the realization of many miniature display needs. Unfortunately, due to the nature of semiconductors, only the generation of individual colors is possible. One must, therefore, design with several different materials for each color desired. Also, for... Read More

Shows a hand that is detected in a cluttered background

Self-correcting and Self-tracking Algorithm for Detection of Articulate Objects and Human Hand Gestures in Video Signals

30917 – A self-initializing, self-correcting system and algorithm for tracking articulate objects (particularly human hands) in a video system The ability to detect and track articulate objects such as human hands is important in human computer interactions (HCI) and also surveillance. Thus, research in tracking these objects is a well covered area in computer vision, giving rise to numerous... Read More

Automated Surveillance Tracking using Multiple Cameras with Disjointed Views

30244 – An automated system for tracking objects across non-overlapping views from multiple un-calibrated cameras, using space-time cues Automated surveillance across a wide area requires a network of cameras. Ideally, these cameras should have overlapping views to facilitate the ability to determine the location of each object in the environment, at every instant of time. For this reason, much of... Read More

Integrated light emitting semiconductor device according to an embodiment of the invention comprising a light emitting source optically coupled to a resonant cavity formed in the substrate spaced laterally from the light emitting device, wherein the resonant cavity includes upconversion material therein

High Resolution Full Color Integrated Semiconductor Display

30936 – It is known that by illuminating rare-earth materials, with invisible infrared light, reradiated light at specific visible wavelengths (or colors) is possible. This process, known as frequency up-conversion, has been applied to many technologies and now researchers at UCF have taken this interesting physical result and applied it to high resolution display. Using semiconductor device... Read More

Block diagram of an exemplary system for detecting and identifying biological pathogens or chemical contaminants

Airborne Contamination Detection via Optical Waveform Matching

31080 – The invention represents a method for the detection of airborne contaminants by means of optical correlation between a known target response and the sample of question. By spectrally shaping a broadband probe source, this technology may selectively test for specific agents over a broadband range of wavelengths. In today’s world, airborne chemicals and biological agents, both innocent and... Read More

Release mechanism including an actuator, design (a) and implementation (b)

Debris-Less and Spark-Free Shape Memory Alloy Based Release Mechanism

31171 – This invention embodies a shape memory alloy based mechanism for releasing a load without any electrical sparks and with no debris released utilizing a specific temperature as its trigger Shape memory alloys are materials that are able to return to their original shape when heated. This shape recovery can occur against large forces, leading researchers to develop the next generation of... Read More

System and Methods for Low-Profile Frequency Selective Surface Based Device

31285 – UCF scientists have developed such a multi-layered FSS using regular FSSs and a high quality factor FSS. The result is a high profile FSS with thickness in the order of 1/30 of a wavelength. Due to the overall miniaturization of the FSS, it has reduced sensitivity to the angle of incidence of radiation when compared to typical third order FSS. Apparatus and methods for the design of... Read More

Comparison of the frequency domain pictures of (a) a conventional COEO and (b) an intracavity etalon-based COEO

Streamlined, Ultralow Noise, Portable Frequency Comb Device

33037 – Currently available technologies that generate a low noise 10 GHz pulse train with RF phase noise utilize optical frequency division, but as a result, suffer from stabilization and calibration difficulties. The conventional optical frequency divider is comprised of four main components: a mode-locked laser, a separate continuous wave (CW) laser, a nonlinear f-2f interferometer, and an optical... Read More

Illustration of a typical LVC Network Architecture

Correlate Imaging for Simulation-Based Training Systems

33050 – Military and private companies are increasingly investing in virtual environments, simulation-based training, specialized simulation platforms for collective team training, and live-virtual-constructive training. Consistency, and with it the look and feel that makes simulated training most effective, can be effected when imaging renders differently for individual trainees because systems lack... Read More

Comparison of phase noise of the OEO with RF filter and with etalon (Normalized power)

Achieve Higher RF Frequency Stability with Lower Phase Noise

32843 – Improve radar, communications, and signal intelligence with interferometer-based optoelectronic oscillator Optoelectronic oscillators (OEOs) provide a continuous, high quality factor (Q) modulated signal in order to obtain high spectral purity. OEOs are used for a variety of purposes, including a carrier wave for communications, and radar emissions. Most OEOs use an RF filter as the mode... Read More

A cross sectional depiction of an example photodetector comprising interdigitated metal fingers comprising a multi-layer stack including a low work function metal oppositely laying on the surface of a disclosed semiconductor metal oxide layer

High Response Deep UV Photodetectors for Use in the Solar Blind Region

32969 – MgZnO film with a ZnO homo-nucleation layer for optical photodetectors and emitters operating in the UV spectral region. UCF researchers have created ZnO thin films with high crystalline quality, low defect, low dislocation densities, and sub-nanometer surface roughness by depositing on a low-temperature ZnO nucleation layer. By including a low-temperature ZnO nucleation layer on the... Read More

A cross section depiction of a layered MIC foil comprising alternating first material layers and second material layers, having an interfacial region there between

Energetic Materials and Thin Film Explosives

31221 – Metastable intermolecular composite (MIC) for forming high-intensity thin film explosives with optimized burn rates and energy densities While similar to organic reagents in the amount of energy released per unit weight, inorganic reagents are able to release up to 5 times more energy per unit volume, (energy density) thus requiring less space for the same amount of force released. Still,... Read More

A perspective depiction of an example ring-shaped optical photodetector element including a plurality of integrated sensing regions having different dopants for multi-wavelength detection

Uncooled Multifunction Wideband Sensors

32899 – UCF researchers have developed a photodetector able to operate at room temperature and measure spectral ranges including microwave, THz, SWIR, MWIR, and LWIR while maintaining image detail. Current commercial photodetectors are limited by the sensor’s spectral responsivity, requiring multiple sensors or unique configurations to image and sense a wide spectral range. A new nanostructured... Read More

Selectively Apply Near-Unity Absorptive Gold-Black to the Pixels of Thermal Infrared (IR) Imaging Array Detectors for use in Night Vision

33033 – In thermal IR sensors (bolometers), absorptive coatings convert IR power into heat. Absorptive coating gold-black has been used for many decades for IR bolometers, particularly for array detectors used in night vision for defense and security. Gold-black is a nanocrystalline deposit formed when an inert gas causes gold atoms to collide and bind with each other to form a web-like structure.... Read More

Semiconductor Alloys for Operation in the Solar-Blind Region

31788 – UCF researchers have developed new cubic semiconductor alloys for UV photodetectors and light emitters for applications in covert space-to-space communications, missile threat detection, and chemical and biological threat detection. The upper ozone layer in our atmosphere absorbs nearly 100% of solar radiation for wavelengths shorter than 290 nanometers, creating the spectral region termed... Read More

Exploded view of a vertically integrated three-pole filter / antenna with two cavity resonators and one patch antenna.

Larger Bandwidth, Higher Performance Patch Antennas

32119 – Compact Integrated Filter and Microstrip Antenna Patch antennas are ideal for communication and radar systems, because of their ease of fabrication and low profile. However, when high efficiency bandpass filters are added to reject out-of-band noise and interference, they typically require coaxial connections adding bulk or detuning the filter response of the low profile antenna, thus... Read More