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Proceedings Paper

Wide-Bandwidth CO2 Laser Photomixers
Author(s): D. L. Spears
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Paper Abstract

The development in recent years of high-performance, wide-bandwidth HgCdTe photodiodes has led to greatly increased CO2 laser heterodyne system capabilities in the GHz region. Near-ideal heterodyne performance has been obtained, not only with single photodiodes, but with quadrantal and 12-element photodiode arrays. Wide-bandwidth photodiode design considerations, fabrication, and heterodyne evaluation techniques and results are presented here, along with a discussion of the factors that limit heterodyne performance and the feasibility of extending the bandwidth into the 5 to 10 GHz region.

Paper Details

Date Published: 22 August 1980
PDF: 9 pages
Proc. SPIE 0227, CO2 Laser Devices and Applications, (22 August 1980); doi: 10.1117/12.958753
Show Author Affiliations
D. L. Spears, Massachusetts Institute of Technology (United States)


Published in SPIE Proceedings Vol. 0227:
CO2 Laser Devices and Applications
Thomas S. Hartwick, Editor(s)

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