Abstract:The compact, versatile laser system that we designed in our Phase I effort will facilitate research into rubidium Bose Einstein Condensates (BECs), with applications including BEC fundamental science experiments, sensors and atomic clocks. Operational features readily accommodate cooling cycles for… more
Abstract:We propose to construct a prototype to demonstrate a novel optical trap design for ultracold atom experiments that will be reconfigurable between a focused-beam trap, a stationary optical lattice, and/or a moving optical lattice at high bandwidth and with no moving parts. Our prototype will also… more
Abstract:Composite structures on Naval aircraft are often damaged during manufacturing or in service. Depending on the level of damage, the part will require repair or replacement to make operable and safe for flight. While there are many different types of repair methods, resin injection offers a less… more
Abstract:The development of cost effective lithium-ion batteries is the cornerstone for meeting the goals of vehicle electrification. Both researchers and manufacturers of Li-ion batteries need a rapid and simple- to-use powerful technology that can enable nanometer-scale depth resolution chemical analysis… more
Abstract:Ecological processes lead to distinctive isotope patterns. Measuring the isotopic signatures provide answers to fundamental questions on bio-productivity and energy cycling and give clues to the origin of life and evolution. Consequently, isotopic data hold keys to predicting future climate changes… more
Abstract:This proposal addresses NASA SBIR topic S1.07 In Situ Sensors for Lunar and Planetary Science, particularly the need for measuring isotopic ratios of the key elements associated with the signs of life (H, C, N, O). We propose a non-contact optical instrument similar to ChemCam that will be capable… more
Abstract:The science of Mine Countermeasures (MCM) is a challenging and multidimensional problem that involves the detection and classification of sea mines both underwater and at the surface. In recent years, MCM has undergone dramatic advances in detector technology, computational power, and algorithmic… more
Abstract:Airborne lidar has proven to be a highly valuable asset for gathering high quality geospatial intelligence information. Advanced lidar systems collect and process full waveform returns for each emitted laser pulse. Full lidar waveform data can be exploited to see through obscurants (e.g. dust,… more
Abstract:Arete Associates proposes to develop a stand-alone active crosswind sensor operating at the eye safe wavelength of 1.5 microns. The sensor is based on a novel design using a single beam, and a single-channel under-resolved receiver. The error on the crosswind measurement will be less than 1.5 m/s… more
Abstract:The Arete team proposes development of SCULPT, an ISIS application for rapidly creating 3D models from 2D images of passing ships. The acronym is derived from the algorithm fundamentals; that is, Ship Model Creation from Unregistered Imagery, Library Source-Data, and Periscope Targeting. SCULPT will… more
Abstract:Arete and its subcontractor, Ultra Electronics Ocean Systems, will design the Subsurface Expendable Profiler. The Profiler merges Arete's Sensor technology and Ultra's acoustic communication technology to achieve untethered real-time data collection of conductivity, temperature, and depth.… more
Abstract:Mine countermeasures will be a critical mission of the Littoral Combat Ship. This capability will be fulfilled by existing and future advanced SONAR systems to detect surface and volume mines. The performance of these systems is degraded by the large numbers of false alarms due to surface, volume,… more
Abstract:Arete will build an algorithm capable of real-time performance on panoramic video that rapidly detects low visibility aircraft with minimal false alarms. The team will make use of the on-hand periscope video and APB-13 algorithms to create panoramic inputs to our robust, likelihood-based Bayesian… more
Abstract:Arete proposes the development of Q-switched semiconductor lasers that can be scaled to produce high output peak powers within the blue/green wavelength band. The proposed system will utilize nanostructure quantum wavefunction engineering for gain material designs having extended excited state… more
Abstract:ABSTRACT: Arete proposes a seeded Er:YAG MOPA system with narrow linewidth at 1617 nm and energy scalability surpassing program requirements. A novel seed system provides instantaneous multiple octave wavelength difference spanning for phase resolution control while eliminating strict tuning… more
Abstract:The Arete Associates (Arete) proposed effort develops and implements a Automatic Obstacle Detection (AOD) capability for the existing Coastal Battlefield Reconnaissance and Analysis (COBRA) Block I System. To provide an AOD capability for the COBRA Block I system, Arete will develop, design,… more
Abstract:NOAA can reduce costs and improve efficiency by remotely monitoring harbors, navigation channels, and coastlines for bathymetric changes. This will aid NOAA in its mission to maintain waterways and assure maritime safety. This remote sensing can be accomplished by implementing a new radar derived… more
Abstract:ABSTRACT: Liquid rocket engine (LRE) turbopumps operate in complex flow regimes that range from cavitating liquid flows in pumps to shock-containing compressible flows in turbine components. The unsteady flow phenomena seen by structural components establish design limitations associated with mean… more
Abstract:ATA Engineering, Inc., (ATA) proposes a Phase II SBIR program to demonstrate an innovative engine air-brake (EAB) technology that uses a deployable swirl vane mechanism to switch the operation of a turbofan engine nozzle from a conventional mode to a "drag management" mode. Equivalent drag… more
Abstract:Large, lightweight, deployable solar array structures have been identified as a key enabling technology for NASA with analysis and design of these structures being the top challenge in meeting the overall goals of the NASA Space Technology Roadmap. The use of analysis to drive design from an early… more
Abstract:ABSTRACT: This SBIR program seeks to more accurately evaluate the unsteady aerodynamics on the weapons bay door due to the weapons bay, transient surface motions, and fluid-structure interaction. The goal of the program is to develop a methodology that will allow the unsteady aerodynamic loads on… more
Abstract:ATA Engineering proposes to simulate complex interior and exterior flowfields of hot, supersonic aircraft engine nozzles by applying a novel dynamic hybrid RANS/LES (DHRL) modeling framework coupled to the Loci/CHEM (CHEM) finite-volume flow solver. DHRL is code- and turbulence model-independent. It… more
Abstract:ATA Engineering, Inc. proposes to advance the current state-of-the-art composite analysis techniques to predict laminate properties from limited ply-level material property data with an innovative approach to composite failure analysis. The SBIR will develop a stochastic approach to address… more
Abstract:ABSTRACT: The proposed research will develop a method of compensating atmospheric disturbances in the transmitting subapertures of a phased array transceiver operating in the infrared. The aero-optical boundary layer and atmospheric turbulence create phase variations within each subaperture. To… more
Abstract:ABSTRACT: The proposed Phase II effort is a two year program focused on demonstrating both the feasibility of an integrated semiconductor optical thresholder and its ability to enable a high frequency Optical Analog to Digital Converter (OADC). Such OADCs would dramatically enhance capability in… more
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