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  • Other Sources  (2)
  • PHYSICAL SCIENCES  (2)
  • 1990-1994  (2)
  • 1
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    Collectors Of Airborne And Spaceborne Particles (1991)
    In:  Other Sources
    Details
    Publication Date: 2019-07-12
    Description: Brushlike collectors capture samples of dust and other particles in space vacuum or air for optical, scanning-electron-microscope, and/or x-ray analysis. Gently decelerates particles without damaging them, minimizing tendency of some particles to rebound. Depending on design of specific collector of this type, it captures particles ranging upward in size from fractions of micrometer to few micrometers.
    Keywords: PHYSICAL SCIENCES
    Type: NPO-18183 , NASA Tech Briefs (ISSN 0145-319X); 15; 9; P. 74
    Format: text
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    NASA TECHNICAL REPORTS
  • 2
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    Unknown
    Polarization-Rotating Sensors Connected To Optical Fibers (1992)
    In:  Other Sources
    Details
    Publication Date: 2019-07-12
    Description: Proposed optoelectronic sensor system includes polarization-rotating sensing elements interrogated by polarized light transmitted to and from sensing elements along optical fibers. Polarization of light altered by combinations of inherent birefringence, stress-induced birefrigence, and Faraday rotation. Advantages include: light weight, fast response, immunity to electromagnetic interference at radio and lower frequencies, and no need to supply electrical power to sensing elements.
    Keywords: PHYSICAL SCIENCES
    Type: NPO-17591 , NASA Tech Briefs (ISSN 0145-319X); 16; 5; P. 64
    Format: text
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    NASA TECHNICAL REPORTS
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