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DTIC ADA515914: Analysis of Fundamental and Systematic Effects Limi... |
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by Defense Technical Information Center |
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The hydrogen maser is currently one of the most stable |
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frequency standards currently available, providing |
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frequency stabilities of several parts in 10(16) for |
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averaging times of 10(3) - 10(4) seconds. Further |
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improvement to the stability of hydrogen masers requires |
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a comprehensive understanding of the relative magnitudes |
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of physical processes that influence frequency stability. |
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We discuss an approach to understanding a variety of |
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thermodynamic and systematic processes that can affect |
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maser frequency stability. This examination enables the |
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maser researcher and user to identify stability-limiting |
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effects and thus to choose areas where improvements could |
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lead to increased stability. As is true with many complex |
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systems, overall improvements can generally be gained |
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only by attending simultaneously to a variety of factors. |
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Improving one aspect of the maser will not significantly |
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increase the frequency stability if variations in another |
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area limits the stability to a level comparable to the |
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first. |
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Date Published: 2018-07-25 10:12:31 |
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Identifier: DTIC_ADA515914 |
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Item Size: 10236061 |
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Language: english |
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Media Type: texts |
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