Abstract: A method for growing nanocrystalline diamond (NCD) on Ga2O3 to provide thermal management in Ga2O3-based devices. A protective SiNx interlayer is deposited on the Ga2O3 before growth of the NCD layer to protect the Ga2O3 from damage caused during growth of the NCD layer. The presence of the NCD provides thermal management and enables improved performance of the Ga2O3-based device.

Abstract: Provided is a tool for providing long distance shooters with the ability to receive information from others in the field to adjust their weapon system for the best advantage based on distance, location, and range. The tool may implemented as an application on a mobile device such as a smart phone, for example, making the tool light weight, space efficient, and portable for use in the field. The communication ability allows for tracking shooting partners as well as on-the-spot coordination. The tool further provides range markings, yard lines, and topographic data that allow the shooter to make decisions based on real time data. Shooters are therefore afforded a tool that is portable, easy to use, and flexible enough to use in high-pressure environments.

Abstract: An in-situ method for changing surface features of a metal workpiece. An electrically conductive workpiece is immersed in a bath containing an electrolyte solution devoid of ions corresponding to the workpiece. A counter electrode is immersed in the bath. An electric power supply is connected to the workpiece and the counter electrode. An electric current is passed in a first direction between the workpiece and the counter electrode, while the workpiece serves as an anode. The electric current polarity is reversed to pass the electric current in a second direction between the metallic workpiece and the electrode, while the workpiece serves as a cathode. The electric current polarity in the first direction drives ions from the workpiece into the electrolyte solution, and the electric current polarity in the second direction plates the ions onto the workpiece in the same bath.

Abstract: The embodiments include an array in intimate adjacent contact with a substrate foundation. The array has a plurality of radio frequency (RF) witness films overlain on the substrate foundation. Each RF witness film is a unit cell defined in a three-dimensional coordinate frame of reference, and is centered at an origin of the three-dimensional coordinate frame of reference. Each RF witness film in the plurality of RF witness films is equally-spaced from adjacent RF witness films.

Abstract: A computer-implemented method for deriving resistance, inductance, and capacitance (RLC) values of an RLC equivalent circuit model associated with a fireset.

Abstract: A self-adjusting band that includes one or more banding segments, one or more buckling assemblies, a pair of one pin and two links for each buckle assembly, a rotary joint base for each pair of one pin and two links, and a high-load, low-deflection compression spring for each section of the buckle assembly.

Abstract: A sandwich cable fairing designed for attachment to cables that are towed at operational speeds by marine vessels. The sandwich cable fairing has a design that combines layers of elastic and damping materials. The fairing dampens the vibration caused when the cable is towed at operational speeds. The outer layers (“bread”) of the fairing are made from a material with a modulus of elasticity that provides a desired amount of stiffness. In the middle of the sandwich cable fairing is damping layer made from a viscoelastic material. The layering of materials allows the fairing to have the flexibility to be crushed by cable equipment while maintaining the requisite stiffness to reducing flapping and the resulting vibration.

Abstract: A corrosion resistant bimetal includes a part and one or more sacrificial anodes. The part includes a metal component that is susceptible to corrosion. The sacrificial anodes consists of an attachment to the part through a metallic bond between the metal component and the sacrificial anode to form a crystalline solid that includes the sacrificial anode and the metal component of the part.

Abstract: Provided is a gyroscope stabilized gimbal assembly for collecting and timestamping video data and laser measurement data. The assembly can be used on multiple platforms and provides an ISR video camera system and one or more laser measurement devices, including photodetectors, thermopiles, filters, and analog to digital converters. The components are mounted to a bracket that can be installed and removed from the assembly to collect/record measurement data from the devices interacting with the laser beam. A processor collects and records measurement data from the devices interacting with the laser beam and calculates optical power data, irradiance data, and wavelength data. A storage device stores a first set of data comprising video data from said camera system and a second set of data comprising optical power data, irradiance data, and wavelength data, wherein said first and second set of data are timestamped, separated, and not comingled.

Abstract: A recoil device is provided for a gun having a barrel with a breech. The device includes a breech nut, a brake assembly, a pneumatic spring and a counter-recoil buffer. The breech nut has first and second adjacent sides. The brake assembly includes a brake cylinder that mounts to the breech nut on the first side. The pneumatic spring mounts to the breech nut on the second side. The counter-recoil buffer attaches to the pneumatic spring. The brake cylinder and the pneumatic spring internally push fluids for recoil absorption and return in response to firing the gun.

Abstract: Disclosed are methods and apparatus for recording time, latitude, longitude, frequency, and amplitude data to ascertain information about the radio frequency (RF) environment (e.g., RF emitter locations), where the apparatus is also easily transportable. The location determination method using this simple hardware solution may occur in two processes or phases: (1) a data collection phase; and (2) a data processing phase, although these two phases may also be combined in time for a real time solution. During the data collection phase, a user may select a desired frequency range and step size for analysis. A software defined radio (SDR) sweeps through the desired frequencies and records the amplitude associated with each frequency. Each of the recorded points are stamped with their time and geolocation (i.e., latitude and longitude coordinates) and processed using amplitude measurements to ascertain the locations of unknown emitters.

Abstract: Described herein are biofilm bioreactors for synthesis at the interface between two liquids, and methods of using such bioreactors for the biotransformation of feedstocks into chemical products. Also contemplated is the extraction of such products.

Abstract: Methods providing distributed temperature and strain measurements are disclosed. Brillouin pump laser pulses having a Brillouin pump frequency are coupled into a first end of an optical fiber. Brillouin Stokes and Anti-Stokes probe laser beams are coupled into a second end of the fiber. The Stokes probe laser beam has a Stokes probe frequency. The Anti-Stokes probe laser beam has an Anti-Stokes probe frequency. The Stokes and Anti-Stokes probe frequencies and the pump frequency are included in a Brillouin frequency band. A train of Rayleigh seed pulses are coupled into the fiber. Each of the seed pulses of the train has a respective different frequency included in a Rayleigh frequency band. Frequencies of the Brillouin frequency band are coupled to a Brillouin detector, and Rayleigh backscatter signals are coupled to a Rayleigh detector. Brillouin and Rayleigh detector outputs are used to calculate the measurements. Related sensors are also disclosed.

Abstract: The invention is a system and method for efficient filtering, clustering, tracking and persistent motion detection for event cameras. More particularly, embodiments of the present invention combine compatible asynchronous event filtering and clustering techniques in a computationally efficient way to identify and track objects in the field of view that exhibit persistent motion characteristic of marine vessels, cars, aircraft, and other vehicles while ignoring dynamic background elements that move in a more erratic fashion.

Abstract: A method of determining ocean state. The method may include receiving, by a processing device, data associated with a prior ocean forecast state, and receiving, by the processing device, data associated with a first set of ocean temperature and salinity observations. The method may include receiving, by the processing device, data associated with a first set of ocean acoustic pressure observations. The method may include determining, by the processing device, a correction to the prior ocean forecast state based on a forward acoustic model, on an adjoint acoustic model, on the data associated with a first set of ocean temperature and ocean salinity observations, and on the data associated with a first set of ocean acoustic pressure observations, and generating, by the processing device, a current ocean state based on the determined correction.

Abstract: A technique for selective-area diffusion doping of III-N epitaxial material layers and for fabricating power device structures utilizing this technique. Dopant species such as Mg are introduced into the III-N material layer and are diffused into the III-N material by annealing under stable or metastable conditions. The dopant species can be introduced via deposition of a metal or alloy layer containing such species using sputtering, e-beam evaporation or other technique known to those skilled in the art. The dopant material layer is capped with a thermally stable layer to prevent decomposition and out-diffusion, and then is annealed under stable or metastable conditions to diffuse the dopant into the III-N material GaN without decomposing the surface.

Abstract: Disclosed are apparatus and methods for sensing and measurement of magnetic fields that are insensitive to temperature, and respond linearly to the magnitude of the magnetic field. In particular, the apparatus and methods include the use of a resistance network including at least one fluorinated graphene foam (FGF) magnetoresistive device. Measurement of a voltage drop across at least one FGF magnetoresistive device is correlated to either merely the presence of a magnetic field or for measurement of at least a scalar magnitude value of the magnetic field. The use of FGF affords both temperature-insensitivity and linear magnetic field responsivity.

Abstract: The embodiments are directed to protecting objects having sensitive electronics from high power radio frequency (HPRF) interference signals. An object with the sensitive electronics has a thin film applied to the object's outer surface. The thin film conforms to the object's outer surface contours. The thin film has a substrate foundation, an array in intimate adjacent contact with the substrate foundation. The array has a plurality of radio frequency (RF) witness films overlain on the substrate foundation. Each RF witness film in the plurality of RF witness films is equally-spaced from adjacent RF witness films.

Abstract: Provided are methods and associated apparatus for determining the integrity of a hermetically sealed electronic component. The method and associated apparatus includes the use of an evacuation chamber configured to placing the hermetically sealed electronic component within. The evacuation chamber is then evacuated of atmosphere to then determine an atmospheric pressure evacuation relationship or curve occurring inside the chamber that is, in turn, used to determine the integrity of the hermetically sealed electronic component. Further aspects may include evacuating the chamber through a mass spectrometer coupled to the evacuation chamber for chemical analysis of at least one of the evacuated atmosphere for making further determinations of the integrity of the hermetically sealed electronic component.

Abstract: A flow control device for constraining fluid flow between axial flow turbomachines in series has a flow constrainer which constrains the fluid flow downstream of the first turbomachine in the series to the blades region of the second turbomachine, preventing fluid flow from impacting the hub or nosecone of the second turbomachine and providing more uniform fluid flow to the second turbomachine. The flow control device includes connective elements for positioning between the downstream region of the first turbomachine and the upstream region of the second turbomachine. The device may be equipped with stator vanes having a variety of optional configurations to further improve the uniformity of the fluid flow load on the second turbomachine.