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DTIC ADA1046758: Optoacoustic Spectroscopy to Detect Hydrazine Fuels. |
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by Defense Technical Information Center |
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This analysis has presented the basic theory of |
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optoacoustic spectroscopy oriented toward designing a |
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specific system to measure the hydrazine fuels. The |
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fundamental goal in designing this system has been to |
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measure absorption with the greatest possible sensitivity |
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and, thus, maximize the signal-to-noise ratio. In this |
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analysis, all vital components have been selected from |
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commercially available sources and integrated into a |
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system design. A word of caution is due, however, because |
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only the fundamental sources of noise have been |
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considered. In any real system, additional noise sources |
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may further degrade performance. Some commonly |
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encountered problems are extraneous acoustic noise, |
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vibration-induced noise, and unwanted signals generated |
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by absorption of laser beam energy, by sample cell walls |
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and windows. To fine-tune a specific system, each of |
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these practical problems would have to be resolved. For |
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such purposes, experimentation has yielded the best |
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results in the past, and would be expected to do so in |
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the future. (Author) |
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Date Published: 2020-04-30 20:02:47 |
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Identifier: DTIC_ADA1046758 |
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Item Size: 45671917 |
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Language: english |
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Media Type: texts |
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# Topics |
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DTIC Archive; Kolesar,Edward S , Jr;... |
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