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  • 1
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    Turbines For Optomechanical Energy Conversion (1996)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Class of proposed optomechanical energy-conversion machines exploit multiple reflections from precise, high-reflectivity mirrors, some of which fixed to turbinelike rotors that spin at high speeds. Basic idea to increase frequencies of photons (and thus energy of light) by repeated Doppler-shifting reflections from moving mirrors. Gain in optical energy in such reflection proportional to speed of mirror, while loss function of imperfections of mirror.
    Keywords: PHYSICAL SCIENCES
    Type: NPO-19043 , NASA Tech Briefs (ISSN 0145-319X); 20; 5; P. 21a
    Format: text
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
  • 2
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    Trapped-Mercury-Ion Frequency Standard (1991)
    In:  Other Sources
    Details
    Publication Date: 2019-07-12
    Description: Report describes principle of operation, design, and results of initial measurements on trapped-mercury-ion frequency-standard apparatus at NASA's Jet Propulsion Laboratory. New frequency standard being developed. Based on linear ion trap described in (NPO-17758). Expected to show much better short-term frequency stability because of increased ion-storage capacity.
    Keywords: PHYSICAL SCIENCES
    Type: NPO-17456 , NASA Tech Briefs (ISSN 0145-319X); 15; 6; P. 55
    Format: text
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    NASA TECHNICAL REPORTS
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