Simple implementation of phase screens for repeatable seeing generation

Enrico Pinna; Alfio T. Puglisi; Simone Esposito; Andrea Tozzi; Alexander V. Goncharov

doi:10.1117/12.551964

25 October 2004 Simple implementation of phase screens for repeatable seeing generation

Enrico Pinna, Alfio T. Puglisi, Simone Esposito, Andrea Tozzi, Alexander V. Goncharov

Proceedings Volume 5490, Advancements in Adaptive Optics; (2004) https://doi.org/10.1117/12.551964
Event: SPIE Astronomical Telescopes + Instrumentation, 2004, Glasgow, United Kingdom

Abstract

The paper reports about some laboratory test aimed to investigate the behavior of CD-ROM cover as phase screens to introduce repeatable turbulence in laboratory optical set-up. Several kinds of devices have been studied to this purposes, however the approach described in this paper requires a very simple and low cost implementation. Briefly the characteristic of some CD-ROM covers as phase screens have been measured in lab. First the overall phase disturbance is quantified and the turbulence power as a function of the pupil size in the screen is evaluated. Then we report the statistical distribution of Zernike polynomials variance as a function of pupil dimension. Finally the temporal power spectral density for several Zernike polynomials is computed considering that the phase screens are rotated to achieve temporal evolution.

Citation Download Citation

Enrico Pinna, Alfio T. Puglisi, Simone Esposito, Andrea Tozzi, and Alexander V. Goncharov "Simple implementation of phase screens for repeatable seeing generation", Proc. SPIE 5490, Advancements in Adaptive Optics, (25 October 2004); https://doi.org/10.1117/12.551964

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