Experiments with an IR multidither deformable-mirror COAT system
| Autor: | G. E. Palma, H. R. Garcia |
|---|---|
| Rok vydání: | 2010 |
| Předmět: |
Point spread function
Materials science business.industry Materials Science (miscellaneous) Speckle noise Surface finish Transfer function Industrial and Manufacturing Engineering Deformable mirror Spectral line Optics Laser beam quality Business and International Management business Adaptive optics |
| Zdroj: | Applied optics. 18(17) |
| ISSN: | 1559-128X |
| Popis: | Experimental results are presented on the performance of an IR multidither adaptive-optics system with rotating, extended targets. A nine-zone deformable mirror with superimposed dithers was employed at 10.6 μm with spherical metallic targets of varying roughness and diameter. The results presented include open-loop discriminants, target speckle-noise spectra, and closed-loop beam quality obtained as functions of tarparameters. Experimental results are interpreted using a simplified model for the adaptive-get and system optics system and target. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|