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Kosmos
Astronomia Astrofizyka
Inne

Kultura
Sztuka dawna i współczesna, muzea i kolekcje

Metoda
Metodologia nauk, Matematyka, Filozofia, Miary i wagi, Pomiary

Materia
Substancje, reakcje, energia
Fizyka, chemia i inżynieria materiałowa

Człowiek
Antropologia kulturowa Socjologia Psychologia Zdrowie i medycyna

Wizje
Przewidywania Kosmologia Religie Ideologia Polityka

Ziemia
Geologia, geofizyka, geochemia, środowisko przyrodnicze

Życie
Biologia, biologia molekularna i genetyka

Cyberprzestrzeń
Technologia cyberprzestrzeni, cyberkultura, media i komunikacja

Działalność
Wiadomości | Gospodarka, biznes, zarządzanie, ekonomia

Technologie
Budownictwo, energetyka, transport, wytwarzanie, technologie informacyjne

Journal of the Optical Society of America A

Junjie Yu, Changhe Zhou, Wei Jia, Jun Wu, Yancong LuGouy phase anomaly of the coaxial focus array generated by a Dammann zone plate (DZP) was investigated. Based on Debye vectorial diffraction theory, the longitudinal-differential (LD) phase profile was presented in the focal region of a high numerical aperture aplanatic objective with a DZP located ... [J. Opt. Soc. Am. A 31, 1059-1066 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-5-1059 2014/04/17 - 20:44

Julien Laverdant, Samuel Aberra Guebrou, François Bessueille, Clementine Symonds, Joel BellessaWe report the experimental combination of leakage radiation microscopy with a Young slit experiment to address the spatial coherence properties of surface waves. We applied this method to measurements of surface plasmon polaritons (SPPs). The relationship between the spatial decay and interference ... [J. Opt. Soc. Am. A 31, 1067-1073 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-5-1067 2014/04/17 - 20:44

Dongliang Cheng, Dilip K. Prasad, Michael S. BrownColor constancy is a well-studied topic in color vision. Methods are generally categorized as (1) low-level statistical methods, (2) gamut-based methods, and (3) learning-based methods. In this work, we distinguish methods depending on whether they work directly from color values ... [J. Opt. Soc. Am. A 31, 1049-1058 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-5-1049 2014/04/17 - 20:44

Andrey S. Alenin, J. Scott TyoChanneled polarimeters measure polarization by modulating the measured intensity in order to create polarization-dependent channels that can be demodulated to reveal the desired polarization information. A number of channeled systems have been described in the past, but their proposed designs often ... [J. Opt. Soc. Am. A 31, 1013-1022 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-5-1013 2014/04/12 - 15:10

Rozalina Zakaria, Ong Yong Sheng, Kam Wern, Shahaboddin Shamshirband, Ainuddin Wahid Abdul Wahab, Dalibor Petković, Hadi SaboohiA soft methodology study has been applied on tapered plastic multimode sensors. This study basically used tapered plastic multimode fiber [polymethyl methacrylate (PMMA)] optics as a sensor. The tapered PMMA fiber was fabricated using an etching method involving deionized water and acetone to ... [J. Opt. Soc. Am. A 31, 1023-1030 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-5-1023 2014/04/12 - 15:10

Mohamed-Taha Rouabah, Marina Samoylova, Romain Bachelard, Philippe W. Courteille, Robin Kaiser, Nicola PiovellaWe interpret cooperative scattering by a collection of cold atoms as a multiple-scattering process. Starting from microscopic equations describing the response of N atoms to a probe light beam, we represent the total scattered field as an infinite series of multiple-scattering events. As an ... [J. Opt. Soc. Am. A 31, 1031-1039 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-5-1031 2014/04/12 - 15:10

Boris Karamata, Marilyne AndersenWe briefly categorize and compare parallel goniophotometers, which are instruments capable of simultaneously measuring the far-field distribution of light scattered by a surface or emitted by a source over a large solid angle. Little is known about the accuracy and reliability of an appealing ... [J. Opt. Soc. Am. A 31, 1040-1048 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-5-1040 2014/04/12 - 15:10

C. E. R. Souza, J. A. O. Huguenin, A. Z. KhouryThe topological phase acquired by vector vortex optical beams is investigated. Under local unitary operations on their polarization and transverse degrees of freedom, the vector vortices can only acquire discrete geometric phase values, 0 or π, associated with closed paths belonging to ... [J. Opt. Soc. Am. A 31, 1007-1012 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-5-1007 2014/04/09 - 12:12

Sigal Trattner, Eugene Kashdan, Micha Feigin, Nir SochenThe differential-interference-contrast (DIC) microscope is of widespread use in life sciences as it enables noninvasive visualization of transparent objects. The goal of this work is to model the image formation process of thick three-dimensional objects in DIC microscopy. The model is based on the ... [J. Opt. Soc. Am. A 31, 968-980 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-5-968 2014/04/09 - 12:12

Yi Zhang, Weihua Zhang, Yinjie Lei, Jiliu ZhouThis work presents a novel computed tomography (CT) reconstruction method for the few-view problem based on fractional calculus. To overcome the disadvantages of the total variation minimization method, we propose a fractional-order total variation-based image reconstruction method in this paper. ... [J. Opt. Soc. Am. A 31, 981-995 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-5-981 2014/04/09 - 12:12

Jem Teresa, Mamatha Venugopal, Debasish Roy, Ram Mohan Vasu, Rajan KanhirodanWe develop iterative diffraction tomography algorithms, which are similar to the distorted Born algorithms, for inverting scattered intensity data. Within the Born approximation, the unknown scattered field is expressed as a multiplicative perturbation to the incident field. With this, the forward ... [J. Opt. Soc. Am. A 31, 996-1006 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-5-996 2014/04/09 - 12:12

A. A. Kovalev, V. V. Kotlyar, S. G. ZaskanovWe derive a diffraction integral to describe the paraxial propagation of an optical beam in a graded index medium with the permittivity linearly varying with the transverse coordinate. This integral transformation is irreducible to the familiar ABCD transformation. The form of the integral ... [J. Opt. Soc. Am. A 31, 914-919 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-5-914 2014/04/07 - 05:02

William Cox, John MuthA Monte Carlo numerical simulation for computing the received power for an underwater optical communication system is discussed and validated. Power loss between receiver and transmitter is simulated for a variety of receiver aperture sizes and fields of view. Additionally, pointing-and-tracking ... [J. Opt. Soc. Am. A 31, 920-934 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-5-920 2014/04/07 - 05:02

Lin Qi, Mike J. Chantler, J. Paul Siebert, Junyu DongThe majority of work on the perception of gloss has been performed using smooth surfaces (e.g., spheres). Previous studies that have employed more complex surfaces reported that increasing mesoscale roughness increases perceived gloss [Psychol. Sci.19, 196 (2008), J. Vis.10(9), 13 (2010), Curr. ... [J. Opt. Soc. Am. A 31, 935-943 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-5-935 2014/04/07 - 05:02

Keiji Uchikawa, Masayuki Sato, Keiko KuwamuraVisual attention has a significant effect on various visual functions, such as response time, detection and discrimination sensitivity, and color appearance. It has been suggested that visual attention may affect visual functions in the early visual pathways. In this study we examined selective ... [J. Opt. Soc. Am. A 31, 944-951 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-5-944 2014/04/07 - 05:02

E. St. Dimova, S. S. Ivanov, G. St. Popkirov, N. V. VitanovBy using the formal analogy between the evolution of the state vector in quantum mechanics and the Jones vector in polarization optics, we construct and demonstrate experimentally efficient broadband half-wave polarization retarders and tunable narrowband polarization filters. Both the broadband ... [J. Opt. Soc. Am. A 31, 952-956 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-5-952 2014/04/07 - 05:02

Nikhil Naik, Christopher Barsi, Andreas Velten, Ramesh RaskarImaging through complex media is a well-known challenge, as scattering distorts a signal and invalidates imaging equations. For coherent imaging, the input field can be reconstructed using phase conjugation or knowledge of the complex transmission matrix. However, for incoherent light, wave ... [J. Opt. Soc. Am. A 31, 957-963 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-5-957 2014/04/07 - 05:02

Thomas W. RaaschA ray transfer matrix is used to calculate the propagation of aberrated wavefronts across a homogeneous refractive index. The wavefront is represented by local surface normals, i.e., by a ray bundle, and the propagation is accomplished by transferring those rays across the space. Wavefront shape is ... [J. Opt. Soc. Am. A 31, 964-967 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-5-964 2014/04/07 - 05:02

Valeri I. KovalevAn optical wave equation for scattered light in materials with macroscopic spatial inhomogeneities is presented and analyzed. The equation is applicable to a variety of linear and nonlinear optical interactions in media with intrinsic, induced, or engineered inhomegeneities. While it is valid ... [J. Opt. Soc. Am. A 31, 907-913 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-5-907 2014/04/07 - 05:02

Yu-Bin Chen, I-Chuan Ho, Feng-Cheng Chiu, Chia-Sheng ChangThe in-plane scattering patterns from a complex dielectric grating were both numerically and experimentally studied in contrast to those from well-known metallic gratings. The incidence was the transverse electric or transverse magnetic wave of wavelength λ=660  nm. The grating ... [J. Opt. Soc. Am. A 31, 879-885 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-4-879 2014/03/30 - 20:59

Lu Gao, Xiao-long Liu, Zhiyuan Zheng, Kaige WangLensless ghost imaging (LGI) with thermal light requires an equal length between the test and reference arms. When this condition is not met, the image becomes blurred. Here we propose an experimental scheme of LGI where the lengths of the two arms are not equal. Our experiment shows that when a ... [J. Opt. Soc. Am. A 31, 886-890 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-4-886 2014/03/30 - 20:59

Cristian E. Gutiérrez, Ahmad SabraGiven a 3D reflecting surface G, which is not necessarily rotationally symmetric, away from a point source, and a direction e, we design a reflecting surface F so that the system (G,F) reflects all rays into the direction e. We also solve the near-field problem when the direction e is replaced by a ... [J. Opt. Soc. Am. A 31, 891-899 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-4-891 2014/03/30 - 20:59

Yanpeng Mei, Haitao Liu, Ying ZhongIn a recent work [J. Opt. Soc. Am. A28, 738 (2011)], Lifeng Li and Gerard Granet investigate nonconvergence cases of the Fourier modal method (FMM). They demonstrate that the nonconvergence is due to the irregular field singularities at lossless metal-dielectric right-angle edges. Here we make ... [J. Opt. Soc. Am. A 31, 900-906 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-4-900 2014/03/30 - 20:59

Miguel Colom, Antoni Buades, Jean-Michel MorelOptimal denoising works at best on raw images (the image formed at the output of the focal plane, at the CCD or CMOS detector), which display a white signal-dependent noise. The noise model of the raw image is characterized by a function that given the intensity of a pixel in the noisy image ... [J. Opt. Soc. Am. A 31, 863-871 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-4-863 2014/03/27 - 23:32

Xun Wang, Zhirong Liu, Daomu ZhaoAnalytical expressions for the three components of nonparaxial propagation of a polarized Lorentz–Gauss beam in uniaxial crystal orthogonal to the optical axis are derived and used to investigate its propagation properties in uniaxial crystal. The influences of the initial beam parameters ... [J. Opt. Soc. Am. A 31, 872-878 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-4-872 2014/03/27 - 23:32

Calvin B. Shaw, Phaneendra K. YalavarthyThe sparse estimation methods that utilize the ℓ_p-norm, with p being between 0 and 1, have shown better utility in providing optimal solutions to the inverse problem in diffuse optical tomography. These ℓ_p-norm-based regularizations make the optimization function nonconvex, and ... [J. Opt. Soc. Am. A 31, 852-862 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-4-852 2014/03/27 - 23:32

Mohammad Vali Arbabmir, Seyyed Mohammad Mohammadi, Sadegh Salahshour, Farshad SomayeheeIn this paper, the night sky star image processing algorithm, consisting of image preprocessing, star pattern recognition, and centroiding steps, is improved. It is shown that the proposed noise reduction approach can preserve more necessary information than other frequently used approaches. It is ... [J. Opt. Soc. Am. A 31, 794-801 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-4-794 2014/03/27 - 23:32

S. V. Alferov, S. N. Khonina, S. V. KarpeevWe conduct a theoretical and experimental study of the distribution of the electric field components in the sharp focal domain when rotating a zone plate with a π-phase jump placed in the focused beam. Comparing the theoretical and experimental results for several kinds of near-field probes, ... [J. Opt. Soc. Am. A 31, 802-807 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-4-802 2014/03/27 - 23:32

Lifeng LiIt is insufficient to consider that hypersingularity is unphysical solely based on energy considerations. With a proper combination of the two degenerate hypersingular modes, the energy-flux edge condition is satisfied. A hyperbolic wedge model is presented that is much simpler than the previous ... [J. Opt. Soc. Am. A 31, 808-817 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-4-808 2014/03/27 - 23:32

Yong Zhang, Hong-Liang Yi, Ming Xie, He-Ping TanThe natural element method (NEM) is extended to solve transient radiative transfer (TRT) in two-dimensional semitransparent media subjected to a collimated short laser irradiation. The least-squares (LS) weighted residuals approach is employed to spatially discretize the transient radiative heat ... [J. Opt. Soc. Am. A 31, 818-828 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-4-818 2014/03/27 - 23:32

Linyan Cui, Bindang Xue, Xiaoguang Cao, Fugen ZhouBased on the generalized von Kármán spectrum and the extended Rytov theory, new analytic expressions for the variance of angle of arrival (AOA) fluctuations are derived for optical plane and spherical waves propagating through moderate-to-strong non-Kolmogorov turbulence with horizontal ... [J. Opt. Soc. Am. A 31, 829-835 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-4-829 2014/03/27 - 23:32

Ri-Liang Heng, Euntaek Lee, Laurent PilonThis study presents experimental measurements of the absorption and scattering cross sections and the spectral complex index of refraction of filamentous cyanobacteria. Filamentous heterocystous cyanobacterium Anabaena cylindrica was chosen as a model organism. Its filaments consisted of long ... [J. Opt. Soc. Am. A 31, 836-845 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-4-836 2014/03/27 - 23:32

Ri-Liang Heng, Euntaek Lee, Laurent PilonThis study presents experimental measurements of the absorption and scattering cross sections and the spectral complex index of refraction of filamentous cyanobacteria. Filamentous heterocystous cyanobacterium Anabaena cylindrica was chosen as a model organism. Its filaments consisted of long ... [J. Opt. Soc. Am. A 31, 836-845 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-4-836 2014/03/27 - 23:32

Geovanni Hernández-Gómez, Zacarías Malacara-Hernández, Daniel Malacara-Doblado, Rufino Díaz-Uribe, Daniel Malacara-HernándezInstead of measuring the wavefront deformations directly, Hartmann and Shack–Hartmann tests measure the wavefront slopes, which are equivalent to the ray transverse aberrations. Numerous different integration methods have been described in the literature to obtain the wavefront deformations ... [J. Opt. Soc. Am. A 31, 846-851 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-4-846 2014/03/27 - 23:32

Geovanni Hernández-Gómez, Zacarías Malacara-Hernández, Daniel Malacara-Doblado, Rufino Díaz-Uribe, Daniel Malacara-HernándezInstead of measuring the wavefront deformations directly, Hartmann and Shack–Hartmann tests measure the wavefront slopes, which are equivalent to the ray transverse aberrations. Numerous different integration methods have been described in the literature to obtain the wavefront deformations ... [J. Opt. Soc. Am. A 31, 846-851 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-4-846 2014/03/27 - 23:32

Steven L. Buck, Rigmor Baraas, Valérie Bonnardel, Barry B. Lee, Delwin T. Lindsey, Michael A. Webster, John S. WernerThis feature issue of the Journal of the Optical Society of America A (JOSA A) stems from the 22nd Biennial Symposium of the International Colour Vision Society (ICVS) and reflects the basic and applied research interests of members of the color vision community. A profile is included of the 2013 ... [J. Opt. Soc. Am. A 31, CV1-CV2 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-4-CV1 2014/03/27 - 02:53

L. Froehly, M. Jacquot, P. A. Lacourt, J. M. Dudley, F. CourvoisierWe numerically investigate the spatiotemporal structure of Bessel beams generated with spatial light modulators (SLMs). Grating-like phase masks enable the spatial filtering of undesired diffraction orders produced by SLMs. Pulse front tilt and temporal broadening effects are investigated. In ... [J. Opt. Soc. Am. A 31, 790-793 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-4-790 2014/03/23 - 06:52

Armagan Elibol, Nuno Gracias, Rafael Garcia, Jinwhan KimOne of the crucial steps in image mosaicing is global alignment, which requires finding the best image registration parameters by employing nonlinear minimization methods over correspondences between overlapping image pairs for a dataset. Based on graph theory, we propose a simple but efficient ... [J. Opt. Soc. Am. A 31, 773-782 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-4-773 2014/03/18 - 13:26

Fabio Mangini, Nicola Tedeschi, Fabrizio Frezza, Ari SihvolaIn this paper, we consider the interaction of an electromagnetic field with two eccentric spheres. We propose a quasi-static approach in order to calculate the scattered field and the polarizability and the effective permittivity of the eccentric spheres. We analyze the behavior of the scattering ... [J. Opt. Soc. Am. A 31, 783-789 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-4-783 2014/03/18 - 13:26

Bangshan Sun, Patrick S. Salter, Martin J. BoothSpatiotemporal focusing, or simultaneous spatial and temporal focusing (SSTF), has already been adopted for various applications in microscopy, photoactivation for biological studies, and laser fabrication. We investigate the effects of aberrations on focus formation in SSTF, in particular, the ... [J. Opt. Soc. Am. A 31, 765-772 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-4-765 2014/03/18 - 13:26