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Journal of the Optical Society of America A

Joe P. J. Chen, Rick P. MillaneNanocrystals with more than one molecule in the unit cell will generally crystallize with incomplete unit cells on the crystal surface. Previous results show that the ensemble-averaged diffraction by such crystals consists of a usual Bragg component and two other Bragg-like components due to the ... [J. Opt. Soc. Am. A 31, 1730-1737 (2014)] 2014/07/14 - 18:36

Yun Li, Aswin C. Sankaranarayanan, Lina Xu, Richard Baraniuk, Kevin F. KellyThe tendency of natural scenes to cluster around low frequencies is not only useful in image compression, it also can prove advantageous in novel infrared and hyperspectral image acquisition. In this paper, we exploit this signal model with two approaches to enhance the quality of compressive ... [J. Opt. Soc. Am. A 31, 1716-1720 (2014)] 2014/07/10 - 02:59

Zhen Liu, Fengjiao Li, Bangkui Huang, Guangjun ZhangWhen a train is running on uneven or curved rails, it generates violent vibrations on the rails. As a result, the light plane of the single-line structured light vision sensor is not vertical, causing errors in rail wear measurements (referred to as vibration errors in this paper). To avoid ... [J. Opt. Soc. Am. A 31, 1721-1729 (2014)] 2014/07/10 - 02:59

Kenneth C. JohnsonThe “projection operator” method is a variation of the normal-vector method for simulating optical diffraction from biperiodic gratings. A projection operator defined by the normal vector is interpolated over the grating volume rather than interpolating the vector itself. This ... [J. Opt. Soc. Am. A 31, 1698-1709 (2014)] 2014/07/05 - 10:44

Manman Li, Shaohui Yan, Baoli Yao, Ming Lei, Yanlong Yang, Junwei Min, Dan DanThe intrinsic optical torque of a focused cylindrical vector beam on a Rayleigh absorptive spherical particle is calculated via the corrected dipole approximation. Numerical results show that, for the radially polarized input field, the torque is distributed in the focal plane strictly along the ... [J. Opt. Soc. Am. A 31, 1710-1715 (2014)] 2014/07/05 - 10:44

Paul Chevalier, Patrick Bouchon, Fabrice Pardo, Riad HaïdarFocusing light onto nanostructures thanks to spherical lenses is a first step in enhancing the field and is widely used in applications. Nonetheless, the electromagnetic response of such nanostructures, which have subwavelength patterns, to a focused beam cannot be described by the simple ray ... [J. Opt. Soc. Am. A 31, 1692-1697 (2014)] 2014/07/05 - 10:44

Hamidreza Mirzaei, Brian FuntAlexander Logvinenko introduced an object-color atlas based on idealized reflectances called rectangular metamers in 2009. For a given color signal, the atlas specifies a unique reflectance that is metameric to it under the given illuminant. The atlas is complete and illuminant invariant, but not ... [J. Opt. Soc. Am. A 31, 1680-1687 (2014)] 2014/06/29 - 17:09

Hamidreza Mirzaei, Brian FuntAlexander Logvinenko introduced an object-color atlas based on idealized reflectances called rectangular metamers in 2009. For a given color signal, the atlas specifies a unique reflectance that is metameric to it under the given illuminant. The atlas is complete and illuminant invariant, but not ... [J. Opt. Soc. Am. A 31, 1680-1687 (2014)] 2014/06/29 - 17:09

Ayatollah KarimzadehThe modulation transfer function (MTF) is the main parameter that is used to evaluate image quality in electro-optical systems. Detector sampling MTF in most electro-optical systems determines the cutoff frequency of the system. The MTF of the detector depends on its pixel shape. In this work, we ... [J. Opt. Soc. Am. A 31, 1688-1691 (2014)] 2014/06/29 - 17:09

Ayatollah KarimzadehThe modulation transfer function (MTF) is the main parameter that is used to evaluate image quality in electro-optical systems. Detector sampling MTF in most electro-optical systems determines the cutoff frequency of the system. The MTF of the detector depends on its pixel shape. In this work, we ... [J. Opt. Soc. Am. A 31, 1688-1691 (2014)] 2014/06/29 - 17:09

Richard G. Paxman, David A. Carrara, Paul D. Walker, Nicolas DavidenkoSilhouettes arise in a variety of imaging scenarios. Pristine silhouettes are often degraded via blurring, detector sampling, and detector noise. We present a maximum a posteriori estimator for the restoration of parameterized facial silhouettes. Extreme dealiasing and dramatic superresolution, ... [J. Opt. Soc. Am. A 31, 1636-1644 (2014)] 2014/06/27 - 15:12

Alexandra Farkas, Dénes Száz, Ádám Egri, Miklós Blahó, András Barta, Dóra Nehéz, Balázs Bernáth, Gábor HorváthIt is a widely discussed hypothesis that Viking seafarers might have been able to locate the position of the occluded sun by means of dichroic or birefringent crystals, the mysterious sunstones, with which they could analyze skylight polarization. Although the atmospheric optical prerequisites and ... [J. Opt. Soc. Am. A 31, 1645-1656 (2014)] 2014/06/27 - 15:12

Bing Gu, Danfeng Xu, Yang Pan, Yiping CuiBased on the vectorial Rayleigh–Sommerfeld integrals, the analytical expressions for azimuthal-variant vector fields diffracted by an annular aperture are presented. This helps us to investigate the propagation behaviors and the focusing properties of apertured azimuthal-variant vector ... [J. Opt. Soc. Am. A 31, 1657-1665 (2014)] 2014/06/27 - 15:12

Curtis R. Vogel, Glenn A. Tyler, Donald J. WittichWe introduce a framework for modeling, analysis, and simulation of aero-optics wavefront aberrations that is based on spatial–temporal covariance matrices extracted from wavefront sensor measurements. Within this framework, we present a quasi-homogeneous structure function to analyze ... [J. Opt. Soc. Am. A 31, 1666-1679 (2014)] 2014/06/27 - 15:12

Lasse-Petteri Leppänen, Ari T. Friberg, Tero SetäläWe consider theoretically the detection of the spectral polarization characteristics of random, partially polarized optical beams and near fields by probing them with a dipolar nanoparticle. We show that measuring the polarization state of the scattered far field with a conventional ... [J. Opt. Soc. Am. A 31, 1627-1635 (2014)] 2014/06/27 - 15:12

Ebrahim Bagheri-Korani, Mahmoud Mohammad-Taheri, Mahmoud ShahabadiBy taking advantage of axial symmetry of the planar whispering gallery microresonators, the three-dimensional (3D) problem of the resonator is reduced to a two-dimensional (2D) one; thus, only the cross section of the resonator needs to be analyzed. Then, the proposed formulation, which works based ... [J. Opt. Soc. Am. A 31, 1614-1619 (2014)] 2014/06/27 - 15:12

Omar Gamel, Daniel F. V. JamesThere has been much discussion in the literature about rival measures of classical polarization in three dimensions. We gather and compare the various proposed measures of polarization, creating a geometric representation of the polarization state space in the process. We use majorization, ... [J. Opt. Soc. Am. A 31, 1620-1626 (2014)] 2014/06/27 - 15:12

William E. Lewis, Reeta VyasIt is common practice to work in the approximation that beam-like radiation fields are polarized transverse to the propagation axis. However, even in the paraxial approximation, this fails to correctly describe beam polarization and propagation characteristics. We present here the paraxial ... [J. Opt. Soc. Am. A 31, 1595-1603 (2014)] 2014/06/25 - 17:26

A. J. E. M. JanssenThe partial derivatives and Laplacians of the Zernike circle polynomials occur in various places in the literature on computational optics. In a number of cases, the expansion of these derivatives and Laplacians in the circle polynomials are required. For the first-order partial derivatives, ... [J. Opt. Soc. Am. A 31, 1604-1613 (2014)] 2014/06/25 - 17:26

Graham Finlayson, Michal Mackiewicz, Anya Hurlbert, Bradley Pearce, Stuart CrichtonSolid state lighting is becoming a popular light source for color vision experiments. One of the advantages of light emitting diodes (LEDs) is the possibility to shape the target light spectrum according to the experimenter’s needs. In this paper, we present a method for creating metameric ... [J. Opt. Soc. Am. A 31, 1577-1587 (2014)] 2014/06/23 - 16:29

R. Munguía-Arvayo, R. García-Llamas, J. Gaspar-ArmentaWe theoretically studied the influence of an infinite set of waveguides on the evanescent field of Bloch waves at the surface of a one-dimensional photonic crystal (PC) excited by a TE Gaussian beam undergoing total internal reflection. The set of waveguides is regarded as a periodic inhomogeneous ... [J. Opt. Soc. Am. A 31, 1588-1594 (2014)] 2014/06/23 - 16:29

Akito Kusaka, Edward J. Wollack, Thomas R. StevensonHigh-sensitivity receiver systems with near-ideal polarization sensitivity are highly desirable for development of millimeter and submillimeter radio astronomy. Multimoded bolometers provide a unique solution to achieve such sensitivity, for which hundreds of single-mode sensors would otherwise be ... [J. Opt. Soc. Am. A 31, 1557-1576 (2014)] 2014/06/21 - 06:28

Yalçın Ata, Yahya BaykalThe scintillation indices of optical plane and spherical waves propagating in underwater turbulent media are evaluated by using the Rytov method, and the variations in the scintillation indices are investigated when the rate of dissipation of mean squared temperature, the temperature and salinity ... [J. Opt. Soc. Am. A 31, 1552-1556 (2014)] 2014/06/21 - 06:28

David L. Fried, Jim Riker, Brij AgrawalIntensity correlation imaging (ICI) is a concept which has been considered for the task of providing images of satellites in geosynchronous orbit using ground-based equipment. This concept is based on the intensity interferometer principle first developed by Hanbury Brown and Twiss. It is the ... [J. Opt. Soc. Am. A 31, 1536-1546 (2014)] 2014/06/19 - 17:30

Yi-Kuo Liu, Ying Wang, De-Zhong Cao, Su-Heng ZhangHere we present a pattern recognition scheme based on the intensity correlation of thermal light. We prove theoretically that under spatially incoherent illumination the matched filtering technique can be realized in the ghost imaging field. Using the matched filtering technique, it is possible to ... [J. Opt. Soc. Am. A 31, 1547-1551 (2014)] 2014/06/19 - 17:30

Guillermo Krötzsch, Kenan Uriostegui, Kurt Bernardo WolfUsing a previous technique to rotate two-dimensional images on an N×N square pixellated screen unitarily, we can rotate three-dimensional pixellated cubes of side N, and also generally D-dimensional Cartesian data arrays, also unitarily. Although the number of operations inevitably grows as ... [J. Opt. Soc. Am. A 31, 1531-1535 (2014)] 2014/06/19 - 17:30

Janaka C. Ranasinghesagara, Carole K. Hayakawa, Mitchell A. Davis, Andrew K. Dunn, Eric O. Potma, Vasan VenugopalanWe develop an efficient method for accurately calculating the electric field of tightly focused laser beams in the presence of specific configurations of microscopic scatterers. This Huygens–Fresnel wave-based electric field superposition (HF-WEFS) method computes the amplitude and phase of ... [J. Opt. Soc. Am. A 31, 1520-1530 (2014)] 2014/06/19 - 17:30

Claudio OleariToday chromatic adaptation transforms (CATs) are reconsidered, since their mathematical inconsistency has been shown in Color Res. Appl.38, 188 (2013) and by the CIE technical committee TC 8-11: CIECAM02 Mathematics. In 2004–2005 the author proposed an adaptation transform based on the ... [J. Opt. Soc. Am. A 31, 1502-1514 (2014)] 2014/06/19 - 17:30

Matthieu C. R. Leibovici, Thomas K. GaylordBy combining interference lithography and projection photolithography concurrently, pattern-integrated interference lithography (PIIL) enables the wafer-scale, rapid, and single-exposure fabrication of multidimensional periodic microstructures that integrate arbitrary functional elements. To date, ... [J. Opt. Soc. Am. A 31, 1515-1519 (2014)] 2014/06/19 - 17:30

M. G. M. Stokkermans, I. E. J. HeynderickxVisual adaptation (and especially dark adaptation) has been studied extensively in the past, however, mainly addressing adaptation to fully dark backgrounds. At this stage, it is unclear whether these results are not too simple to be applied to complex situations, such as predicting adaptation of a ... [J. Opt. Soc. Am. A 31, 1485-1494 (2014)] 2014/06/14 - 19:54

Xingcai Li, Xing Min, Dandan LiuBased on the Rayleigh approximation, this paper presents the electromagnetic scattering properties of the small partially charged isotropic sphere and those of a similar anisotropic sphere and then discusses the effect of surface charges on particles’ optical properties. The numerical ... [J. Opt. Soc. Am. A 31, 1495-1501 (2014)] 2014/06/14 - 19:54

Yi Liang, Yi Hu, Zhuoyi Ye, Daohong Song, Cibo Lou, Xinzheng Zhang, Jingjun Xu, Roberto Morandotti, Zhigang ChenWe study both numerically and experimentally the acceleration and propagation dynamics of 2D Airy beams with arbitrary initial angles between their “two wings.” Our results show that the acceleration of these generalized 2D Airy beams strongly depends on the initial angles and cannot ... [J. Opt. Soc. Am. A 31, 1468-1472 (2014)] 2014/06/12 - 21:09

Rupesh Verma, Manoj Kumar Sharma, Paramasivam Senthilkumaran, Varsha BanerjeeAperiodic and fractal optical elements are proving to be promising candidates in image-forming devices. In this paper, we analyze the diffraction patterns of Fibonacci gratings (FbGs), which are prototypical examples of aperiodicity. They exhibit novel characteristics such as redundancy and ... [J. Opt. Soc. Am. A 31, 1473-1480 (2014)] 2014/06/12 - 21:09

Jianbin Liu, Yu Zhou, Fu-Li Li, Zhuo XuCorrelation can be changed into anticorrelation by superposing thermal and laser light with the same frequency and polarization. Two-photon interference theory is employed to interpret this phenomenon. An experimental scheme is designed to verify the theoretical predictions by employing ... [J. Opt. Soc. Am. A 31, 1481-1484 (2014)] 2014/06/12 - 21:09

Farnaz Agahian, Brian FuntThe spectra in spectral reflectance datasets tend to be quite correlated and therefore they can be represented more compactly using standard techniques such as principal components analysis (PCA) as part of a lossy compression strategy. However, the presence of outlier spectra can often increase ... [J. Opt. Soc. Am. A 31, 1445-1452 (2014)] 2014/06/12 - 21:09

Claudio Cusano, Paolo Napoletano, Raimondo SchettiniThis paper presents a texture descriptor for color texture classification specially designed to be robust against changes in the illumination conditions. The descriptor combines a histogram of local binary patterns (LBPs) with a novel feature measuring the distribution of local color contrast. The ... [J. Opt. Soc. Am. A 31, 1453-1461 (2014)] 2014/06/12 - 21:09

Florence Y. M. Chan, Gopinath MudhanaWe investigate how the index profile of a few-mode fiber (FMF) can be designed so that group velocities of the two lowest-order modes can be equalized at a normalized frequency, which is below the cut-off frequency of the LP_21 mode. This can be achieved using a single-clad power-law profile with a ... [J. Opt. Soc. Am. A 31, 1462-1467 (2014)] 2014/06/12 - 21:09

Daniel Thomae, Oliver Sandfuchs, Robert BrunnerFractional Talbot images of amplitude line gratings, with small opening slits compared to the period, are characterized by an integer multiple of the gratings’ spatial frequency. We investigate the formation of fractional Talbot images analytically within a scalar framework and give a ... [J. Opt. Soc. Am. A 31, 1436-1444 (2014)] 2014/06/08 - 12:57

D. Ramos-López, A. Martínez-Finkelshtein, D. Robert IskanderCalculating through-focus characteristics of the human eye from a single objective measurement of wavefront aberration can be accomplished through a range of methods that are inherently computationally cumbersome. A simple yet accurate and computationally efficient method is developed, which ... [J. Opt. Soc. Am. A 31, 1408-1415 (2014)] 2014/06/06 - 22:46

Chunhong Yoon, Rick P. MillaneExpressions are derived for diffraction by the triangular Ising antiferromagnet, a disordered lattice system consisting of two kinds of scatterer and exhibiting geometric frustration. Analysis of the expressions shows characteristics of the diffraction patterns, including the presence of Bragg and ... [J. Opt. Soc. Am. A 31, 1416-1426 (2014)] 2014/06/06 - 22:46