SP-436 Project Orion: A Design Study of a System for Detecting Extrasolar Planets

Figure 10. Schematic representation of a detector system employing a sequence of gratings to define accurate position measurements. Light incident on gratings G1 and G2 is focused by lens L1 on a field-defining aperture (FD) and refocused by lens L2 on a detector (see text for further discussion).

Figure 10. Schematic representation of a detector system employing a sequence of gratings to define accurate position measurements. Light incident on gratings G1 and G2 is focused by lens L1 on a field-defining aperture (FD) and refocused by lens L2 on a detector (see text for further discussion).

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