The detection of distant objects by means of infra-red radiation
An infra-red telescope, capable of detecting signals of the order of 10⁻⁶ watts incident on the mirror, has been built. RCA acorn type pentodes 954 and 956 have been examined as electrometer tubes in the region of grid current of 10⁻¹² amperes. It is indicated, on the basis of the small sample u...
Main Author: | Pearse, Charles Delaney |
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Language: | English |
Published: |
University of British Columbia
2012
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Subjects: | |
Online Access: | http://hdl.handle.net/2429/41550 |
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