Abstract
Misalignments always occur in real optical systems. These misalignments do not generate new aberration forms, but they change the aberration field dependence. Two-mirror telescopes have been used in several applications. We analyze a two-mirror telescope configuration that has negligible sensitivity to decenter misalignments. By applying the wave aberration theory for plane-symmetric optical systems it is shown that the asphericity in the secondary mirror, if properly chosen, can compensate for any decenter perturbation allowing third-order coma unchanged across the field of view. For any two-mirror system it is possible to find a configuration in which decenter misalignments do not generate fielduniform coma.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 6851-6865 |
| Number of pages | 15 |
| Journal | Optics Express |
| Volume | 21 |
| Issue number | 6 |
| DOIs | |
| State | Published - Mar 25 2013 |
ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics
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