Radio plasma fringes as guide stars: tracking the global tilt

Erez N. Ribak; Roberto Ragazzoni; Vadim A. Parfenov

doi:10.1117/12.407691

22 November 2000 Radio plasma fringes as guide stars: tracking the global tilt

Erez N. Ribak, Roberto Ragazzoni, Vadim A. Parfenov

Proceedings Volume 4338, Wave Propagation in the Atmosphere and Adaptive Optics; (2000) https://doi.org/10.1117/12.407691
Event: Selected Research Paper on Wave Propagation in the Atmosphere and Adaptive Optics, 2000, Tomsk, Russian Federation

Abstract

We present a novel technique to alleviate the problem of the global tilt in artificial guide stars for adaptive optics. This technique is based on the registration of trails of radio-excited plasma spots caused by the atmospheric tilt. Following the time trace of the trails one can find and measure the tilt produced by atmospheric turbulent layers. Different methods were applied to estimate the extent of the trails. We describe results of computer simulations, showing the performance of the proposed approach.

Citation Download Citation

Erez N. Ribak, Roberto Ragazzoni, and Vadim A. Parfenov "Radio plasma fringes as guide stars: tracking the global tilt", Proc. SPIE 4338, Wave Propagation in the Atmosphere and Adaptive Optics, (22 November 2000); https://doi.org/10.1117/12.407691

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