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Optics Letters

Optics Letters


  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 9 — May. 1, 2014
  • pp: 2592–2594

Quantification of the atmospheric scintillation for laser illumination in active imaging

Jean-Michel Poyet, Olivier Meyer, and Frank Christnacher  »View Author Affiliations

Optics Letters, Vol. 39, Issue 9, pp. 2592-2594 (2014)

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Most of the analytical scintillation models used by experts to simulate the illumination performances of active imaging systems are based on the use of monochromatic, punctual, and coherent sources. These analytical models seem pessimistic regarding lightpipe-based illumination techniques. Outdoor trials have been made with 1.57 μm laser illuminators with and without lightpipe to record illumination maps and associated refractive index structure parameter Cn2 with a propagation distance of 1 km. Analysis shows a reduction of the scintillation by a factor of 2.5 comparing analytical models and laser illumination with lightpipe.

© 2014 Optical Society of America

OCIS Codes
(110.3080) Imaging systems : Infrared imaging
(290.5930) Scattering : Scintillation
(110.2945) Imaging systems : Illumination design
(080.3685) Geometric optics : Lightpipes

ToC Category:
Imaging Systems

Original Manuscript: January 29, 2014
Revised Manuscript: March 18, 2014
Manuscript Accepted: March 27, 2014
Published: April 18, 2014

Jean-Michel Poyet, Olivier Meyer, and Frank Christnacher, "Quantification of the atmospheric scintillation for laser illumination in active imaging," Opt. Lett. 39, 2592-2594 (2014)

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