Results 281 to 290 of about 93,717 (313)

Rotatum of light. [PDF]

Sci Adv
Dorrah AH, Palmieri A, Li L, Capasso F.
europepmc   +1 more source

Ultrafast adaptive optics for imaging the living human eye. [PDF]

Nat Commun
Liu Y, Crowell JA, Kurokawa K, Bernucci MT, Ji Q, Lassoued A, Jung HW, Keller MJ, Marte ME, Miller DT.   +9 more
europepmc   +1 more source

Terahertz microscopy through complex media. [PDF]

Sci Rep
Kumar V, Cecconi V, Cutrona A, Peters L, Olivieri L, Totero Gongora JS, Pasquazi A, Peccianti M.   +7 more
europepmc   +1 more source

Analysis of speckle-beacon size impact on wavefront sensing and closed-loop control in deep turbulence conditions

Mikhail A. Vorontsov, Svetlana L. Lachinova, Ernst Polnau   +2 more
openalex   +1 more source

Quantum imaging with ultra-thin metasurfaces. [PDF]

Light Sci Appl
Lee J.
europepmc   +1 more source

The optics of wavefront sensing [PDF]

Ophthalmology Clinics of North America, 2004
This article reviews the fundamental principles by which wavefront aberrometers measure ocular aberrations. Three different ways of interpreting aberration measurements are described in terms of wavefront phase, slope, and curvature. Although curvature is the more familiar concept from geometrical optics, the wave optics concept of wavefront phase is ...
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Wavefront sensing with an axicon

Optics Letters, 2011
The use of a large apex-angle axicon for common-path interferometric wavefront sensing is proposed. The approach is a variant of point-diffraction interferometry bearing similarities to pyramidal wavefront sensing. A theoretical basis for wavefront sensing with an axicon is developed, and the outcomes of numerical simulations are compared to ...
Diego Rativa, Brian Vohnsen, Sara Castillo   +2 more
openaire   +3 more sources

Making sense out of wavefront sensing

American Journal of Ophthalmology, 2005
a T p HE PRESENCE OF OPTICAL ABERRATIONS THAT BLUR retinal images were the subject of popular lectures by Helmholtz in the 1860s, and led him to state: Now, it is not too much to say that if an optician wanted o sell me an instrument which had all these defects, I hould think myself justified in blaming his carelessness in he strongest terms and giving
Raymond A. Applegate, Jay S. Pepose
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Holography-based wavefront sensing

Applied Optics, 2007
We describe a modal wavefront sensing technique of using multiplexed holographic optical elements (HOEs). The phase pattern of a set of aberrations is angle multiplexed in a HOE, and the correlated information is obtained with a position sensing detector.
F. Ghebremichael, Geoff Andersen, Kenneth S. Gurley   +2 more
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Comparison of wavefront sensing devices

Ophthalmology Clinics of North America, 2004
Wavefront measurement is an emerging technology that can evaluate low-order and high-order aberrations. This review compiles the different wavefront sensing devices and compares the most popular Hartmann-Shack aberrometers.
Kerry D Solomon, David T Vroman, Helga P Sandoval, Luis E. Fernández de Castro   +3 more
openaire   +3 more sources