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Proceedings Article

Prospects for quantum cascade lasers as transmitters and local oscillators in coherent terahertz transmitter/receiver systems

[+] Author Affiliations
Jerry Waldman, Andriy A. Danylov, Thomas M. Goyette, Michael J. Coulombe, Robert H. Giles, Andrew J. Gatesman, William D. Goodhue, Jin Li

Univ. of Massachusetts Lowell (USA)

Kurt J. Linden

Spire Corp. (USA)

William E. Nixon

U.S. Army National Ground Intelligence Ctr. (USA)

Proc. SPIE 7215, Terahertz Technology and Applications II, 72150C (February 12, 2009); doi:10.1117/12.808009
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From Conference Volume 7215

  • Terahertz Technology and Applications II
  • Kurt J. Linden; Laurence P. Sadwick; Créidhe M. O'Sullivan
  • San Jose, CA | January 24, 2009

abstract

Coherent terahertz radar systems, using CO2 laser-pumped molecular lasers have been used during the past decade for radar scale modeling applications, as well as proof-of-principle demonstrations of remote detection of concealed weapons. The presentation will consider the potential for replacement of molecular laser sources by quantum cascade lasers. While the temporal and spatial characteristics of current THz QCLs limit their applicability, rapid progress is being made in resolving these issues. Specifications for satisfying the requirements of coherent short-range THz radars will be reviewed and the feasibility of incorporating existing QCL devices into such systems will be described.

© (2009) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Jerry Waldman ; Andriy A. Danylov ; Thomas M. Goyette ; Michael J. Coulombe ; Robert H. Giles, et al.
"Prospects for quantum cascade lasers as transmitters and local oscillators in coherent terahertz transmitter/receiver systems", Proc. SPIE 7215, Terahertz Technology and Applications II, 72150C (February 12, 2009); doi:10.1117/12.808009; http://dx.doi.org/10.1117/12.808009


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