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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 53, Iss. 25 — Sep. 1, 2014
  • pp: 5775–5783

Pointing error analysis of Risley-prism-based beam steering system

Yuan Zhou, Yafei Lu, Mo Hei, Guangcan Liu, and Dapeng Fan  »View Author Affiliations

Applied Optics, Vol. 53, Issue 25, pp. 5775-5783 (2014)

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Based on the vector form Snell’s law, ray tracing is performed to quantify the pointing errors of Risley-prism-based beam steering systems, induced by component errors, prism orientation errors, and assembly errors. Case examples are given to elucidate the pointing error distributions in the field of regard and evaluate the allowances of the error sources for a given pointing accuracy. It is found that the assembly errors of the second prism will result in more remarkable pointing errors in contrast with the first one. The pointing errors induced by prism tilt depend on the tilt direction. The allowances of bearing tilt and prism tilt are almost identical if the same pointing accuracy is planned. All conclusions can provide a theoretical foundation for practical works.

© 2014 Optical Society of America

OCIS Codes
(080.0080) Geometric optics : Geometric optics
(080.2720) Geometric optics : Mathematical methods (general)
(220.2740) Optical design and fabrication : Geometric optical design
(230.5480) Optical devices : Prisms
(280.1100) Remote sensing and sensors : Aerosol detection
(120.4880) Instrumentation, measurement, and metrology : Optomechanics

ToC Category:
Optical Design and Fabrication

Original Manuscript: May 6, 2014
Revised Manuscript: June 28, 2014
Manuscript Accepted: June 30, 2014
Published: August 28, 2014

Yuan Zhou, Yafei Lu, Mo Hei, Guangcan Liu, and Dapeng Fan, "Pointing error analysis of Risley-prism-based beam steering system," Appl. Opt. 53, 5775-5783 (2014)

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