AO36 Instrument Parameters
Parameter | Specification |
---|---|
Spectral coverage | 1-5 µm for compensation, 0.5-20 µm for transmission |
Deformable mirror | Bimorth mirror with 36 control electrodes |
Wavefront sensor (WFS) | Curvature sensor with 36 photon counting APDs |
Quantum Efficiency of WFS | 0.7 |
Field of view | 2' |
Throughput | 0.9 at JHKLM |
Tip/tilt mirror stroke | ±2'' |
Control bandwidth | > 100 Hz, 2060 corrections/sec |
Guide star magnitude | -1 < R < 18 |
Isoplanatic field | 1' in diameter |
updated on 9 March 2005