Translator Disclaimer
21 October 2014 Characterization of the digital holographic wavefront sensor
Author Affiliations +
Correction of atmospheric effects on the propagation of laser light can be achieved with adaptive optics (AO) by relying on adequate wavefront sensors. For free-space laser communications and for tracking of high-speed airborne objects, conventional wavefront sensing methods e.g. those based on the Shack-Hartmann sensor (SHS), are not always effective. Partial obscuration and saturation of the detector due to strong turbulence lead to errors in wavefront reconstruction. Another drawback of Shack-Hartmann wavefront-sensing is the timeconsuming readout of the whole detector and subsequent matrix-vector multiplication necessary to reconstruct the wavefront. We characterize a promising modal alternative: digital holographic wavefront sensor (DHWS).We examine the performance of the sensor for single-, and multimode operation and its dependence on the detector size, scintillation, residual tip/tilt and misalignments.
© (2014) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Pablo Marin Palomo, Andreas Zepp, and Szymon Gładysz "Characterization of the digital holographic wavefront sensor", Proc. SPIE 9242, Remote Sensing of Clouds and the Atmosphere XIX; and Optics in Atmospheric Propagation and Adaptive Systems XVII, 92421T (21 October 2014);


Advanced holographic wavefront sensor
Proceedings of SPIE (May 15 2017)
High-speed single-pixel digital holography
Proceedings of SPIE (June 26 2017)
Holographic wavefront sensor: fast sensing, no computing
Proceedings of SPIE (February 20 2007)

Back to Top