Quantum cascade lasers and the Kruse model in free space optical communication
Optics Express, Vol. 17, Issue 6, pp. 4355-4359 doi:10.1364/OE.17.004355
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- OCIS Codes:
- (010.1300) Atmospheric and oceanic optics : Atmospheric propagation
- (060.2605) Fiber optics and optical communications : Free-space optical communication
Fiber Optics and Optical Communications
Citation
Paul Corrigan, Rainer Martini, Edward A. Whittaker, and Clyde Bethea, "Quantum cascade lasers and the Kruse model in free space optical communication," Opt. Express 17, 4355-4359 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-6-4355
Abstract
Mid-infrared (MIR) free space optical communication has seen renewed interest in recent years due to advances in quantum cascade lasers. We present data from a multi-wavelength test-bed operated in the New York metropolitan area under realistic weather conditions. We show that a mid-infrared source (8.1 μm) provides enhanced link stability with 2x to 3x greater transmission over near infrared wavelengths (1.3 μm & 1.5 μm) during fog formation and up to 10x after a short scavenging rain event where fog developed and visibility reduced to ~ 1 km. We attribute the improvement to less Mie scattering at longer wavelengths. We confirm that this result is generally consistent with the empirical benchmark Kruse model at visibilities above 2.5 km, but towards the 1 km eye-seeing limit we measured the equivalent MIR visibility to be > 10 km.
© 2009 Optical Society of America
» View Full Text: Acrobat PDF (528 KB)
History
Original Manuscript: September 16, 2008
Manuscript Accepted: November 17, 2008
Revised Manuscript: November 17, 2008
Published: March 4, 2009
References
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- E. J. McCartney, Optics of the Atmosphere Scattering by Molecules and Particles (John Wiley and Sons, New York 1976).
- P. W. Kruse, L. D. McGlauchlin, and R. B. McQuistan, Elements of Infrared Technology: Generation, transmission, and detection (John Wiley and Sons, New York, 1962).
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Author Affiliations
Stevens Institute of Technology
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