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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 14 — May. 10, 2010
  • pp: 2712–2719

Distortion correction of all-reflective unobscured optical-power zoom objective

Kristof Seidl, Jens Knobbe, Danilo Schneider, and Hubert Lakner  »View Author Affiliations


Applied Optics, Vol. 49, Issue 14, pp. 2712-2719 (2010)
http://dx.doi.org/10.1364/AO.49.002712


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Abstract

We present the correction of distortion for a novel type of an all-reflective zoom objective. The all- reflective unobscured optical-power zoom (OPZ) objective with four mirrors has been previously designed and presented. The magnification of the OPZ can be varied by changing the curvatures of the first and the last mirror, which results in a zoom factor of 3. However, the objective exhibits significant distortion. For the unobscured design principle, we present the basic distortion model with its different types of distortion. Based on simulation data of the objective design, we optimized the parameters of the model and verified that model by applying it to images taken with the objective.

© 2010 Optical Society of America

OCIS Codes
(100.0100) Image processing : Image processing
(100.2980) Image processing : Image enhancement
(120.0280) Instrumentation, measurement, and metrology : Remote sensing and sensors
(280.4788) Remote sensing and sensors : Optical sensing and sensors

ToC Category:
Image Processing

History
Original Manuscript: January 12, 2010
Revised Manuscript: April 19, 2010
Manuscript Accepted: April 20, 2010
Published: May 7, 2010

Citation
Kristof Seidl, Jens Knobbe, Danilo Schneider, and Hubert Lakner, "Distortion correction of all-reflective unobscured optical-power zoom objective," Appl. Opt. 49, 2712-2719 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-14-2712

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