Spherical aberration and modulation transfer function

Qinghui Li; Xiaopeng Shao

doi:10.1117/12.2052671

22 May 2014 Spherical aberration and modulation transfer function

Qinghui Li, Xiaopeng Shao

Proceedings Volume 9124, Satellite Data Compression, Communications, and Processing X; 91241B (2014) https://doi.org/10.1117/12.2052671
Event: SPIE Sensing Technology + Applications, 2014, Baltimore, MD, United States

Abstract

The fundamental problem of the modulation transfer function(MTF) from the viewpoint of the lens designer is to find relation between the MTF and the geometrical aberrations. Let it be required to develop the spherical aberration into a polynomial expansion. The incoherent point spread function(PSF) of the optical imaging system is derived from the diffraction integral in the presence of aberrations. The optical transfer function(OTF) is the Fourier transform of the PSF, and the modulus of the OTF is the MTF. The relation between the spherical aberration and the MTF is denoted by numerical integration method. The normalized MTF is numerically calculated for various amounts of spherical aberration. A comparison is made between the MTF of the corrected spherical aberration using the optimum design for the minimum root mean square(RMS) wavefront aberration and those for the minimum peak-to-valley(P-V) wave front aberration.

Citation Download Citation

Qinghui Li and Xiaopeng Shao "Spherical aberration and modulation transfer function", Proc. SPIE 9124, Satellite Data Compression, Communications, and Processing X, 91241B (22 May 2014); https://doi.org/10.1117/12.2052671

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