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High-pressure rinsing a single-cell cavity |
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Single-cell Nb cavity |
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Six-cell Nb cavity at Jefferson Lab |
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Nb half wave cavity during fabrication |
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High-pressure rinsing a half-wave resonator |
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Quarter-wave resonator after high-pressure rinsing |
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Six-Cell 805 MHz Elliptical cavity |
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322 MHz Half-Wave resonator |
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80.5 MHz Quarter-Wave resonator |
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Six-cell 805 MHz cavities in the clean room |
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Assembly of thermal shield for the cryomodule |
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Assembly of inner mu-metal shield for the cryomodule |
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Completed 805 MHz 2-cavity cryomodule |
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Cavities and magnets on rails in clean room |
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Assembly of cold mass onto top plate |
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Test fitting the thermal shield |
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Partially assembled cold box |
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Particle count monitoring in the clean room |
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Ultra-pure water system for the clean room |
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Preparations for testing a quarter-wave cavity from INFN Legnaro |
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Preparations for testing a quarter wave cavity from INFN Legnaro |
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Chemical etching of the half-wave resonator |
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Chemical etching of the 161 MHz quarter-wave resonator |
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Large grain niobium disk |
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Surface roughness measurement on a niobium sample |
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Surface texture measurement on a niobium sample |
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Pole figures for niobium texture measurements |