Abstract

A novel image quality evaluation method, which is based on combination of the rigorous grating diffraction theory and the ray-optic method, is proposed. It is applied for design optimization and, tolerance analysis of optical imaging systems implementing diffractive optical elements (DOE). The evaluation method can predict the quality and resolution of the image on the image sensor plane through the optical imaging system. Especially, we can simulate the effect of diffraction efficiencies of DOE in the camera lenses module, which is very effective for predicting different color sense and MTF performance. Using this method, we can effectively determine the fabrication tolerances of diffractive and refractive optical elements such as the variations' in profile thickness, and the shoulder of the DOE, as well as conventional parameters such as decenter and tilt in optical-surface alignments. A DOE-based 2M-resolution camera lens module designed by the optimization process based on the proposed image quality evaluation method shows <TEX>${\sim}15%$</TEX> MTF improvement compared with a design without such an optimization.

© 2006 Optical Society of Korea

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References

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2005

Soo-Gil Kim, "Phase Error Analysis in Polarization Phase-shifting Technique using a Wollaston Prsim and Wave Plates," J. Opt. Soc. Kor., vol. 9, no. 4, pp. 145-150, 2005
[CrossRef]

2004

Jaehoon Jung, "Optimal Design of Arrayed Waveguide Grating," J. Opt. Soc. Kor., vol. 8, no. 3, pp. 99-103, 2004
[CrossRef]

2000

Norman Koren, Photography, http://www.normankoren.com, 2000

1996

J. W. Goodman, Introduction to Fourier Optics, 2nd Ed., 1996

1989

D. A. Buralli, G. M. Morris, J. R. Rogers, "Optical performance of holographic kinoforms," Appl. Opt., vol. 28, no. 5, pp. 976-983, 1989
[CrossRef]

1986

M. G. Moharam and T. K. Gaylord, "Rigorous coupled-wave analysis of metallic surface-relief gratings," J. Opt. Soc. Amer. A, vol. 3, pp. 1780-1787, Nov., 1986
[CrossRef]

Applied Optics

D. A. Buralli, G. M. Morris, J. R. Rogers, "Optical performance of holographic kinoforms," Appl. Opt., vol. 28, no. 5, pp. 976-983, 1989
[CrossRef]

Journal of the Optical Society of America A

M. G. Moharam and T. K. Gaylord, "Rigorous coupled-wave analysis of metallic surface-relief gratings," J. Opt. Soc. Amer. A, vol. 3, pp. 1780-1787, Nov., 1986
[CrossRef]

Journal of the Optical Society of Korea

Jaehoon Jung, "Optimal Design of Arrayed Waveguide Grating," J. Opt. Soc. Kor., vol. 8, no. 3, pp. 99-103, 2004
[CrossRef]

Soo-Gil Kim, "Phase Error Analysis in Polarization Phase-shifting Technique using a Wollaston Prsim and Wave Plates," J. Opt. Soc. Kor., vol. 9, no. 4, pp. 145-150, 2005
[CrossRef]

Other

Code V Macros, Using Bitmap Images as Illumination Sources, http://www.opticalres.com/macros/rnacroindex_ f.html#CVTips6

Norman Koren, Photography, http://www.normankoren.com, 2000

J. W. Goodman, Introduction to Fourier Optics, 2nd Ed., 1996

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