ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] The infrared photometer consists of a gallium-doped germanium (Ge:Ga) photoconductive detector with a Mosfet preamplifier and load resistor, all of which were cooled to liquid helium temperature. Fabry optics were used to reduce the background radiation on the detector, and a 4-mm aperture was used ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/265513a0
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