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  • 1
    Electronic Resource
    Electronic Resource
    Spectral Sensitivity of Lead Telluride Layers (1948)
    [s.l.] : Nature Publishing Group
    Nature 161 (1948), S. 766-767 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MICROCRYSTALLINE layers of lead telluride can be made which show photo-conductivity when illuminated with infra-red radiation. Such layers are similar to the better-known lead sulphide and lead selenide layers, and it has been generally assumed that the sensitivity of lead telluride would ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/161766a0
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Spectral Response of Lead Selenide (1948)
    [s.l.] : Nature Publishing Group
    Nature 161 (1948), S. 244-244 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MICRO-CRYSTALLINE layers of lead selenide are known to show photo-conductivity when illuminated by infra-red radiation, in a manner similar to that shown by lead sulphide. Measurements made in Germany during the War indicate that for lead selenide the long wave-length limit of sensitivity lies ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/161244a0
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  • 3
    Electronic Resource
    Electronic Resource
    Spectral Sensitivity of Lead Sulphide Layers (1947)
    [s.l.] : Nature Publishing Group
    Nature 159 (1947), S. 476-477 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] LEAD sulphide photo-conductive layers are now known as sensitive detectors in the near infra-red1, but so far their usefulness has been limited to wave-lengths less than about 3 µ. Measurements have been made on the spectral sensitivity of such photoconductive layers, and ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/159476a0
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  • 4
    Electronic Resource
    Electronic Resource
    Some Solar Lines in the Infra-Red Spectrum observed from a High-Flying Aircraft (1961)
    [s.l.] : Nature Publishing Group
    Nature 189 (1961), S. 908-909 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] These lines, which have not previously been detected because of obscuration by water-vapour absorption even at mountain observatories are clearly observed at 40,000 ft., as shown in Fig. 1. They remain of the same intensity at higher altitudes, thus confirming their solar origin. Another solar ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/189908a0
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  • 5
    Electronic Resource
    Electronic Resource
    Some Observations of the Infra-red Solar Spectrum from a High-flying Aircraft (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1187-1188 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Successful ascents have been made in which the spectral region l-8-2-l[jL has been observed using a lead-sulphide detector. The absorption in this region at different heights is shown in Fig. 1. The good performance of the heliostat is demonstrated by the steadiness of the trace at each end of the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1801187b0
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