Wide-Bandwidth CO2 Laser Photomixers

D. L. Spears

doi:10.1117/12.958753

22 August 1980 Wide-Bandwidth CO₂ Laser Photomixers

D. L. Spears

Proceedings Volume 0227, CO2 Laser Devices and Applications; (1980) https://doi.org/10.1117/12.958753
Event: 1980 Technical Symposium East, 1980, Washington, D.C., United States

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.

Citation Download Citation

D. L. Spears "Wide-Bandwidth CO₂ Laser Photomixers", Proc. SPIE 0227, CO2 Laser Devices and Applications, (22 August 1980); https://doi.org/10.1117/12.958753

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