Results 171 to 180 of about 398,926 (227)

Bridging the Gap: A Case of Unique Anterior Segment Optical Coherence Tomography Presentation of Retrocorneal Membrane and Fibrous Bridging After Birth-Related Descemet's Membrane Detachment. [PDF]

Cureus
Rebbala P, Janti SS, Reddy SN.
europepmc   +1 more source

A rare optical coherence tomography finding of a striped, low-attenuation plaque protruding into the lumen in in-stent restenosis. [PDF]

Egypt Heart J
Otaka N, Matsusaka H, Morishige K.
europepmc   +1 more source

Fiberoptic Partial Coherence Interferometry (PCI): A Novel Approach to Locate Schlemm’s Canal for MIGS Surgery

, 2016
Thomas Bende, Haroun Al‐Mohamedi, Bianca Schäfer, Theo Oltrup, Guido Mieskes, Martin Leitritz, Michael S. Berlin   +6 more
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Partially coherent nonparaxial beams

Optics Letters, 2004
The concept of a partially coherent nonparaxial beam is proposed. A closed-form expression for the propagation of nonparaxial Gaussian Schell model (GSM) beams in free space is derived and applied to study the propagation properties of nonparaxial GSM beams.
Kailiang, Duan, Baida, Lü
openaire   +2 more sources

Partially coherent conical beams

Optics Letters, 2000
We introduce a new class of partially coherent beams that can propagate over large distances without changing their transverse profiles and their coherence properties. Such beams are generated by an incoherent superposition of identical fully coherent beams of arbitrary form, whose axes lie on a cone.
A V, Shchegrov, E, Wolf
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Partially coherent sources with circular coherence: comment

Optics Letters, 2017
In [Opt. Lett.42, 1512 (2017)OPLEDP0146-959210.1364/OL.42.001512], the authors present a new class of non-uniformly correlated sources with circular coherence. They also describe a basic experimental setup for synthesizing this class of sources, which uses the Van Cittert-Zernike theorem. Here, we present an alternative way to analyze these sources and
Milo W, Hyde, Santasri R, Bose-Pillai
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Extracting coherent modes from partially coherent wavefields

Optics Letters, 2009
Blank
Nugent, Keith A., Tran, Chanh Quoc., Quiney, H. M., Flewett, Samuel.   +3 more
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Cylindrical partially coherent scalar sources

Optics Letters, 2022
Partially coherent scalar sources with cylindrical symmetry radiating outwards are introduced. Homogeneous cross-spectral densities are shown to possess angularly modulated Hankel modes, whose amplitudes are subject to a filtering process during propagation. Simple criteria for treating such sources are given.
R. Martínez-Herrero, O. Korotkova, M. Santarsiero, G. Piquero, J. C. G. de Sande, A. V. Failla, F. Gori   +6 more
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Coherent detection of partially coherent sources

Optics Letters, 1980
The mean square of the beating component of the photodetector output current of a coherent optical or infrared receiver, illuminated by partially coherent quasi-monochromatic radiation, is expressed in terms of the mutual intensity functions of the signal and local reference fields on the detector’s active surface.
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