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Reconfigurable Target Board
The Laser Science team is providing the High Energy Laser (HEL) community with high-resolution beam profilers that use nanocrystals for direct detection of laser irradiance profiles. The reconfigurable target board can be used in ground-based or air-borne configurations. Each of the target board tiles contains 100 individually addressable nodes and readout electronics with telemetry that provides near real-time test information.
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Lethality Instrumentation
We are developing a conformal sensor array that correlates irradiance and target temperature for on-board measurements to quantify HEL system effectiveness. The Lethality device is flexible and has a very low profile. It uses microsensors arrayed in an open architecture design that allows most of the beam to interact with the target.
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Inverse Thermal Model for HEL Beam/Target Interaction
We are developing a versatile, multi-dimensional inverse heat conduction (IHC) platform that can solve problems for which special purpose inverse codes do not exist. These IHC models are used to calculate High Energy Laser heat flux incident on a target using temperature readings taken from the back of the target.
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Materials Research
We have developed robust materials that can survive direct exposure to High Energy Lasers, including protective coatings, detector elements and adhesives. The extensive materials research allows us to develop instrumentation that can operate in this very challenging environment.
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Thermal Modeling
We are developing a multi-dimensional inverse heat conduction (IHC) platform used in High Energy Laser (HEL) test and evaluation (T&E). This is an integrated system that couples a low-cost, high-resolution array of temperature sensors with software modeling and visualization tools that allow researchers to analyze the interaction of the HEL beam with the target material. The first implementation provides information about the absorbed heat flux at the front surface of the target. We are working to extend this model to calculate the incident irradiance profile at the front surface of the target. |
