DUAL-FIELD CATADIOPTRIC TELESCOPE
This dual-field telescope (2) comprises, aligned on the same optical axis (1), a large-field optical channel (5), a small-field optical channel (6) and a sensor (9) of electromagnetic radiation, the large-field optical channel (5) comprising a convex first mirror (7) and a concave second mirror (8)...
Gespeichert in:
| Hauptverfasser: | , |
|---|---|
| Format: | Patent |
| Sprache: | eng ; fre ; ger |
| Schlagworte: | |
| Online-Zugang: | Volltext bestellen |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| Zusammenfassung: | This dual-field telescope (2) comprises, aligned on the same optical axis (1), a large-field optical channel (5), a small-field optical channel (6) and a sensor (9) of electromagnetic radiation, the large-field optical channel (5) comprising a convex first mirror (7) and a concave second mirror (8) that is perforated at its centre, the small-field optical channel (6) comprising a concave third mirror (10) and a fourth mirror (11) that is positioned level with a non-reflective surface (7a) of the convex first mirror (7) and has a diameter smaller than or equal to the diameter of the convex first mirror. |
|---|