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Active wavefront sensing and wavefront control with SLMs
SPIE Proceedings, 2004Active systems are becoming more and more prevalent in the the field of optical technology. These systems require not only means of controlling wavefronts but mostly also of sensing wavefronts. This paper shows in four examples how spatial light modulators can be utilized to perform active wavefront sensing and wavefront controlling tasks. The examples
Jan Liesener +3 more
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New Astronomy Reviews, 1998
Abstract We show that a wide-field low-order wavefront sensor in an integrating mode can be used to retrieve information about the turbulence structure of the atmosphere. In particular, the structure function for individual turbulent layers may be derived.
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Abstract We show that a wide-field low-order wavefront sensor in an integrating mode can be used to retrieve information about the turbulence structure of the atmosphere. In particular, the structure function for individual turbulent layers may be derived.
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Properties of coherence-gated wavefront sensing
Journal of the Optical Society of America A, 2007Coherence-gated wavefront sensing (CGWS) allows the determination of wavefront aberrations in strongly scattering tissue and their correction by adaptive optics. This allows, e.g., the restoration of the diffraction limit in light microscopy. Here, we develop a model, based on ray tracing of ballistic light scattered from a set of discrete scatterers ...
Markus, Rueckel, Winfried, Denk
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Singleshot multispectral wavefront sensing
Optica Imaging Congress 2024 (3D, AOMS, COSI, ISA, pcAOP)We demonstrate a speckle-based singleshot multispectral wavefront sensor. The instrument is quantitative and was applied to characterize a single pulse from a high-power laser facility.
Baptiste Blochet +3 more
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High Resolution Wavefront Sensing
2006High resolution wavefront sensors are devices with a great practical interest since they are becoming a key part in an increasing number of applications like extreme Adaptive Optics. We describe theoretically a novel wavefront sensor, which basically consists of a telescopic system with a linearly increasing amplitude mask placed at the intermediate ...
J.E. Oti, V.F. Canales, M.P. Cagigal
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SPG Mitteilungen - Communications de la SSP, series "Physics Anecdotes and Personal Recollections", Article ...
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Frontiers in Optics 2010/Laser Science XXVI, 2007
M. Garcia, F. Granados, A. Cornejo
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M. Garcia, F. Granados, A. Cornejo
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Intensity-Based Wavefront Sensing
2010All of the wavefront sensors discussed thus far have involved measurements of either W, dW, or T. The metric was a dimensional value expressed in waves, microns, or millimeters. The amount of light present in the system (expressed in terms of irradiance or intensity) was of little concern as long as there was enough signal.
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