Orthogonal Set of Basis Functions over the Binocular Pupil

Details Orthogonal Set of Basis Functions over the Binocular Pupil Orthogonal Set of Basis Functions over the Binocular Pupil

2007-06-25

arxiv.org/abs/0706.3682v2

Baltic Astronomy 19 (2010) 121-141

Physics

Optics

Added chapters V and VI on interferometric signal and Fourier representation

Scientific paper

Sets of orthogonal basis functions over two-dimensional circular areas--most often representing pupils in optical applications--are known in the literature for the full circle (Zernike or Jacobi polynomials) and the annulus. This work proposes an orthogonal set if the area is two non-overlapping circular pupils of same size. The major free parameter is the ratio of the pupil radii over the distance between both circles. Increasingly higher order aberrations--as defined for a virtual larger pupil in which both pupils are embedded--are fed into a Gram-Schmidt orthogonalization to implement one unique set of basis functions. The key element is to work out the overlap integrals between a full set of primitive basis functions (products of powers of the distance from the mid-point between both pupils by azimuthal functions of the Fourier type).

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