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DTIC ADA571053: Development of RF Sensor Based on Two Cell Squid |
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by Defense Technical Information Center |
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Proposed to develop and investigate a sensitive microwave |
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sensor based on a two-cell SQUID by imitating the |
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operational principle of the fly's ears. The fly ormia |
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shows astonishing localization ability with its tiny |
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hearing organ. We show first measurement results based on |
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several available Josephson junction (JJ) circuits. We |
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investigated the current-voltage characteristics as a |
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function of external magnetic field. We have also |
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developed a new experimental setup for applying microwave |
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signals with controllable phase shift and observed the |
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response of the SQUID circuits to small variations of the |
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phase and/or amplitude of two microwave signals coupled |
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off-chip. We find that the dc voltage of the studied two- |
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cell SQUID varied by 0.02 micro-V under the change of the |
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phase difference of the microwave radiation signal by 1 |
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degree. Furthermore, we designed new specially tailored |
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SQUID circuits dedicated for measurements of the |
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microwave phase difference between two incoming signals. |
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Date Published: 2018-09-05 00:00:30 |
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Identifier: DTIC_ADA571053 |
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Item Size: 18145351 |
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Language: english |
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Media Type: texts |
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# Topics |
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DTIC Archive; ; KARLSRUHE UNIV (GERMA... |
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# Uploaded by |
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@chris85 |
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