15 May 2014 Tomographic wavefront retrieval by combined use of geometric and plenoptic sensors
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Proceedings Volume 9141, Optical Sensing and Detection III; 914129 (2014); doi: 10.1117/12.2053150
Event: SPIE Photonics Europe, 2014, Brussels, Belgium
Abstract
Modern astronomic telescopes take advantage of multi-conjugate adaptive optics, in which wavefront sensors play a key role. A single sensor capable of measuring wavefront phases at any angle of observation would be helpful when improving atmospheric tomographic reconstruction. A new sensor combining both geometric and plenoptic arrangements is proposed, and a simulation demonstrating its working principle is also shown. Results show that this sensor is feasible, and also that single extended objects can be used to perform tomography of atmospheric turbulence.
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J. M. Trujillo-Sevilla, L. F. Rodríguez-Ramos, Juan J. Fernández-Valdivia, José G. Marichal-Hernández, J. M. Rodríguez-Ramos, "Tomographic wavefront retrieval by combined use of geometric and plenoptic sensors", Proc. SPIE 9141, Optical Sensing and Detection III, 914129 (15 May 2014); doi: 10.1117/12.2053150; https://doi.org/10.1117/12.2053150
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