A Chromatic Aberration-Measuring Method for Refracted Converging Lens based on Foucault Knife - Edge Test
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Abstract
The paper proposes a new chromatic-aberration-measuring method for geometric optics of a single converging lens based on the Foucault knife-edge test. An opto-mechatronics measurement system aided by a computer vision was built to automatically determine displaced positions of the knife-edge for discovering chromatic aberration components in the measured lenses. The evaluation results of its chromatic aberration elements measured by this system are appropriated with theoretical calculations.
Keywords
Chromatic aberration in a lens, Foucault knife-edge test, Abbe index, computer vision
Article Details
References
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[2] H. G. Conrady, "Study of the significance of the Foucault knife-edge test when applied to refracting systems", IOPscience, Vol.24, No.4, 1924, pp.219-226.
[3] H. B. Cheng, Y. Yam and H. Tong, "A Quantitative Knife-edge Testing Method for Local Deformation", Proceeding of the 3rd Annual IEEE Conference on Automation Science and Engineering, Scottsdale, AZ, USA, Sept 22-25, 2007, pp. 818-822.
[4] Donald E. Vanderberg, William D. Humbel, Alan Werthelmer, "Quantitative evaluation of optical surfaces by means of an improved Foucault test approach", Optical Engineering, Vol 32, No. 4. August 1993, pp. 1951-1954.
[5] Duane H. Jaecks, "An investigation of the eighteenth- century achromatic telescope", Annals of Science, Vol. 67, No. 2, 2010, pp. 149-186.
[6] W. D. Furlaw, L. M. Escriva, A. Pons, M. M. Corral, "Optical aberrations measurement with a low cost optometric instrument", Am. J. Phys. 70(8), August 2002.
[7] N. T. Đông, N. T. P. Mai và L. H. Hưng, “Thiết kế, chế tạo và xác định sắc sai cho vật kinh ghép đôi tiêu sắc của kính viễn vọng , Tạp chí KH & CN các Trường ĐHKT, số 98-2014, tr. 46-51.
[8] Joseph M. Geary, Axial Color and Achromats", Chapter 16 in Introduce to Lens Design with Practical ZEMAX Examples, Willmann-Bell Inc., USA, September 2002, pp. 175-177.