Methods for efficiently locating the nodal positions for astigmatism in astronomical telescopes are presented. Results will show how many field points need to be measured, dependent on the system aberration correction-state and required alignment tolerances.
© 2008 The Optical Society
(220.0220) Optical design and fabrication : Optical design and fabrication
(220.1000) Optical design and fabrication : Aberration compensation
(220.1140) Optical design and fabrication : Alignment
T. Schmid, K. Thompson, and J. Rolland, "Determination of Nodal Aberration Field Locations from Measured Performance Data for Large Operational Astronomical Telescopes," in Frontiers in Optics 2008/Laser Science XXIV/Plasmonics and Metamaterials/Optical Fabrication and Testing, OSA Technical Digest (CD) (Optical Society of America, 2008), paper FThU1.
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