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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 26, Iss. 6 — Mar. 15, 2001
  • pp: 319–321

Precursor experiment for an active true airspeed sensor

Stephan Rahm  »View Author Affiliations


Optics Letters, Vol. 26, Issue 6, pp. 319-321 (2001)
http://dx.doi.org/10.1364/OL.26.000319


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Abstract

The feasibility of an active optical true airspeed sensor was demonstrated with a coherent short-range Doppler lidar. Even at the long wavelength of 10.6 μm , aerosol events at the high altitude of 12, 000 m were measured. A comparison of the line-of-sight velocity obtained by lidar measurements with a conventional five-hole probe on an aircraft showed an excellent coincidence in the average value, although the lidar detected turbulence effects much more sensitively.

© 2001 Optical Society of America

OCIS Codes
(010.1100) Atmospheric and oceanic optics : Aerosol detection
(010.3640) Atmospheric and oceanic optics : Lidar
(040.2840) Detectors : Heterodyne
(120.0280) Instrumentation, measurement, and metrology : Remote sensing and sensors
(280.3340) Remote sensing and sensors : Laser Doppler velocimetry
(290.1310) Scattering : Atmospheric scattering

Citation
Stephan Rahm, "Precursor experiment for an active true airspeed sensor," Opt. Lett. 26, 319-321 (2001)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-26-6-319


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References

  1. R. G. Frehlich and M. J. Kavaya, Appl. Opt. 30, 5325 (1991), and references therein.
  2. R. L. Gann, Proc. SPIE 2464, 111 (1995).
  3. M. Harris, “Single particle laser Doppler anemometry at 1.55mm,” Appl. Opt. (to be published).
  4. S. Rahm, Opt. Lett. 20, 216 (1995).
  5. A. E. Siegman, Lasers (University Science, Mill Valley, Calif., 1986).

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