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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 14 — May. 10, 2013
  • pp: 3147–3155

Acquisition probability analysis of ultra-wide FOV acquisition scheme in optical links under impact of atmospheric turbulence

Bo Tu, Lu Liu, Yihui Liu, Ye Jin, and Junxiong Tang  »View Author Affiliations


Applied Optics, Vol. 52, Issue 14, pp. 3147-3155 (2013)
http://dx.doi.org/10.1364/AO.52.003147


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Abstract

Reliable data transmission in optical wireless communication is on the premise of the successful establishment of the optical link. In this paper, we propose an ultra-wide field-of-view (FOV) acquisition scheme, which combines the fisheye lens and Voigt anomalous dispersion optical filter (VADOF) to achieve rapid establishment of wireless optical links. Furthermore, the ultra-wide FOV signal-receiving model for this acquisition scheme is presented to analyze the receiving performance. This acquisition scheme utilizes the fisheye lens to obtain the ultra-wide FOV, not only simplifying the system architecture of the spatial acquisition, but also reducing the acquisition time; a VADOF with ultra-narrow-pass bandwidth is adopted to resist the strong background radiation induced by the ultra-wide FOV. For this ultra-wide FOV acquisition scheme, the mathematical model of long-term average acquisition probability (LTAAP) is derived based on the gamma–gamma (GG) distribution. In an atmospheric turbulence environment, the average signal count and the acquisition probability are both random variables; therefore, the probability density of the average signal count needs to be considered and LTAAP can be calculated based on the GG distribution. Comprehensive analysis and numerical results of the key parameters of this ultra-wide FOV acquisition scheme, such as LTAAP, false-alarm probability, signal-to-noise ratio, incident angle of beam, scintillation index, and acquisition threshold, provide an advantageous basis for the actual spatial acquisition system.

© 2013 Optical Society of America

OCIS Codes
(010.1290) Atmospheric and oceanic optics : Atmospheric optics
(010.1300) Atmospheric and oceanic optics : Atmospheric propagation
(010.1330) Atmospheric and oceanic optics : Atmospheric turbulence
(010.3310) Atmospheric and oceanic optics : Laser beam transmission
(040.0040) Detectors : Detectors
(060.2605) Fiber optics and optical communications : Free-space optical communication

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: January 30, 2013
Revised Manuscript: April 2, 2013
Manuscript Accepted: April 2, 2013
Published: May 2, 2013

Citation
Bo Tu, Lu Liu, Yihui Liu, Ye Jin, and Junxiong Tang, "Acquisition probability analysis of ultra-wide FOV acquisition scheme in optical links under impact of atmospheric turbulence," Appl. Opt. 52, 3147-3155 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-14-3147


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