Bandwidth specification for adaptive optics systems.
Abstract
A simplified expression for the bandwidth of an adaptive optics system is found to depend on a weighted path integral of the turbulence strength, where the weighting is transverse wind velocity to the 5/3 power. The wave-front corrector is conservatively assumed to match the phase perfectly, at least spatially, if not temporally. For the case of astronomical imaging from a mountaintop observatory, the necessary bandwidth is found to be less than 200 Hz.
- Publication:
-
Journal of the Optical Society of America (1917-1983)
- Pub Date:
- March 1977
- DOI:
- Bibcode:
- 1977JOSA...67..390G
- Keywords:
-
- Adaptive Optics;
- Bandwidth;
- Equipment Specifications;
- Optical Equipment;
- Wave Front Deformation;
- Astronomical Observatories;
- Astronomical Photography;
- Atmospheric Optics;
- Instrument Compensation;
- Systems Engineering;
- Wind Velocity;
- Instrumentation and Photography