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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 17 — Aug. 18, 2008
  • pp: 13372–13380

Pointing and tracking errors due to localized deformation in inter-satellite laser communication links

Liying Tan, Yuqiang Yang, Jing Ma, and Jianjie Yu  »View Author Affiliations


Optics Express, Vol. 16, Issue 17, pp. 13372-13380 (2008)
http://dx.doi.org/10.1364/OE.16.013372


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Abstract

Instead of Zernike polynomials, ellipse Gaussian model is proposed to represent localized wave-front deformation in researching pointing and tracking errors in inter-satellite laser communication links, which can simplify the calculation. It is shown that both pointing and tracking errors depend on the center deepness h, the radiuses a and b, and the distance d of the Gaussian distortion and change regularly as they increase. The maximum peak values of pointing and tracking errors always appear around h=0.2λ. The influence of localized deformation is up to 0.7µrad for pointing error, and 0.5µrad for tracking error. To reduce the impact of localized deformation on pointing and tracking errors, the machining precision of optical devices, which should be more greater than 0.2λ, is proposed. The principle of choosing the optical devices with localized deformation is presented, and the method that adjusts the pointing direction to compensate pointing and tracking errors is given. We hope the results can be used in the design of inter-satellite lasercom systems.

© 2008 Optical Society of America

OCIS Codes
(010.3310) Atmospheric and oceanic optics : Laser beam transmission
(060.4510) Fiber optics and optical communications : Optical communications

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: April 30, 2008
Revised Manuscript: August 1, 2008
Manuscript Accepted: August 1, 2008
Published: August 15, 2008

Citation
Liying Tan, Yuqiang Yang, Jing Ma, and Jianjie Yu, "Pointing and tracking errors due to localized deformation in inter-satellite laser communication links," Opt. Express 16, 13372-13380 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-17-13372


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