The payload for the CHES program is a high image quality, high stability, low distortion optical telescope including optical subsystem, focal plane subsystem and on-orbit calibration subsystem.
Characteristics of the CHES Payload Optical Telescope System
|
No. |
Specification |
Characteristics |
|
1 |
Aperture |
φ1.2m |
|
2 |
FocalLength |
36m |
|
3 |
FOV |
0.44°×0.44° |
|
4 |
Wavelengthcoverage |
500nm - 900nm |
|
5 |
Detectorpixel size |
6.5μm×6.5μm |
|
6 |
Focal plane size |
276mm×276mm |
|
7 |
Wave aberration |
RMS ≤λ/12 |
|
8 |
Distortion after calibration |
~ 1 µas |