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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Ultrananocrystalline diamond films with optimized dielectric properties for advanced RF MEMS capacitive switches
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wafer level packaging of aluminum nitride rf mems filters.
Abstract not provided.
Reconfigurable and Tunable Micromechancial Filter Technologies for Adaptive RF Systems.
Abstract not provided.
Ultracompact RF Accelerator for Non-Destructive Examination
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Wafer-Level Packaging of Aluminum Nitride RF MEMS Filters.
Abstract not provided.
RF-Free Chirp Removal Using Longitudinal Wakefields
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50 MW X-Band RF System for a Photoinjector Test Station at LLNL
Abstract Not Provided
Advanced PiezoMEMS: Advanced PiezoMEMs:Wafer Level Packaged AlN RF Filters.
Abstract not provided.
RF CALIBRATION OF CEBAF LINAC CAVITIES THROUGH PHASE SHIFTS
This paper describes a new beam-based method of cavity energy gain calibration based on varying the cavity phase. This method can be fully automated and allows a larger range of momentum excursions during measurement than previous calibration approaches. Monte Carlo simulations suggest that a calibration precision of 2-3% could be realistically achieved using this method. During the commissioning of the Continuous Electron Beam Accelerator Facility's (CEBAF) energy upgrade to 12 GeV, 876 measurements were performed on 375 of the 400 linac cavities in Fall 2015 and applied December 2015. Linac optics appears to be closer to design as a result. The resulting ensemble proved to be 2% over the value needed to get the desired energy in the arcs. Continued offline analysis of the data has allowed for error analysis and better understanding of the process.
Robust S-Band Thermionic RF Gun with Improved Back-Bombardment Suppression
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