Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980hst..rept..281s&link_type=abstract
In NASA. Langley Res. Center Heterodyne Systems and Technol., Pt. 2 p 281-295 (SEE N80-29672 20-36)
Astronomy and Astrophysics
Astronomy
Cadmium, Mercury (Metal), Optical Heterodyning, Photodiodes, Tellurium, Carbon Dioxide Lasers, Infrared Astronomy, Quantum Electrodynamics, Semiconductor Devices
Scientific paper
The significance of HgCdTe photodiodes are discussed relative to their existance in heterodyne detection systems operating in the 9 to 11 micrometer CO2 laser wavelength region. Their successful fabrication as well as the physical properties of the materials are described. The implementation of controlled industrial processes are reported with emphasis on the yield of predictable and repeatable detector characteristics to the discriminating systems, demands for high cutoff frequencies, quantum efficiency, and reliability. The most salient production steps and diode characteristics are presented. Measured results from production units are also given.
Hofheimer H.
Sirieix M. B.
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