Hybrid representations of asymmetrically excited surface plasmon self-interference at a planar dielectric/metal interface
We introduce a hybrid representation to describe asymmetrically excited surface plasmon (SP) self-interference at a planar dielectric/metal ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - September 20, 2019 Category: Physics Authors: Wendong Zou Daijun Wang Source Type: research

Propagation properties of radially polarized multi-Gaussian Schell-model beams in oceanic turbulence
By utilizing the extended Huygens – Fresnel principle, we derive the analytical formulas for the cross-spectral density matrix ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - September 19, 2019 Category: Physics Authors: Zhenzhen Song Zhiyuan Han Jingfei Ye Zhengjun Liu Shutian Liu Bo Liu Source Type: research

Encoder – decoder with densely convolutional networks for monocular depth estimation
We propose an encoder – decoder with densely convolutional networks model to recover the depth information from a single RGB image ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - September 16, 2019 Category: Physics Authors: Songnan Chen Mengxia Tang Jiangming Kan Source Type: research

Hybrid method for speckle noise reduction in digital holography
In digital holography, the inherited speckle noise degrades imaging quality due to the coherent laser source. To overcome this problem, a ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - September 16, 2019 Category: Physics Authors: Jun Dong Shuhai Jia Hongqiang Yu Source Type: research

Mean gradient descent: an optimization approach for single-shot interferogram analysis
Complex object wave recovery from a single-shot interference pattern is an important practical problem in interferometry and digital ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - September 13, 2019 Category: Physics Authors: Sunaina Rajora Mansi Butola Kedar Khare Source Type: research

Effects of spatial frequency and attention on pupillary response
In this study, we ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - September 13, 2019 Category: Physics Authors: Xiaofei Hu Rumi Hisakata Hirohiko Kaneko Source Type: research

Effect of turbulent atmosphere on the propagation of a radial phased-locked rotating elliptical Gaussian beam array
Based on the extended Huygens – Fresnel integral, we have analytically and numerically investigated the propagation properties of a ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - September 12, 2019 Category: Physics Authors: Beibei Ma Chao Sun Xiang Lv Jianbin Zhang Xiangbo Yang Guanghui Wang Weiyi Hong Dongmei Deng Source Type: research

First-principle model for the directional spectral absorptivity of gold-black in the near infrared
Gold-black coatings formed by evaporation and subsequent sublimation of pure gold in an inert low-pressure atmosphere are used to enhance ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - September 12, 2019 Category: Physics Authors: Nazia B. Munir J. R. Mahan Kory J. Priestley Source Type: research

Feasibility study of three-dimensional multiple-beam x-ray luminescence tomography
X-ray luminescence tomography (XLT) is a promising imaging technology based on x-ray beams, with high-resolution capability. We developed a ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - September 10, 2019 Category: Physics Authors: Dongmei Chen Fengjun Zhao Defu Yang Shanhui Fan Kaihua Wu Source Type: research

Refractive index sensing characteristics in a D-shaped photonic quasi-crystal fiber sensor based on surface plasmon resonance
A D-shaped photonic quasi-crystal fiber (PQF) sensor based on surface plasmon resonance is proposed for refractive index (RI) sensing. The ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - September 10, 2019 Category: Physics Authors: Chenguang Li Bei Yan Jianjun Liu Source Type: research

Three-dimensional nonparaxial characterization of physical point sources
Optical point sources are considered theoretical idealizations. However, it is pertinent to characterize feasible physical point sources ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - September 7, 2019 Category: Physics Authors: Rom á n Casta ñ eda Jaime Moreno Source Type: research

Phase curvature compensation in digital holographic microscopy based on phase gradient fitting and optimization
We propose a numerical method for phase curvature compensation in digital holographic microscopy, in which the phase curvature is ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - September 7, 2019 Category: Physics Authors: Hongqiang Yu Shuhai Jia Jun Dong Di Huang Shunjian Xu Source Type: research

Induced radiation force of an optical line source on a cylinder material exhibiting circular dichroism
The optical radiation force experienced by a cylinder material of circular cross section exhibiting circular dichroism (known also as ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - September 6, 2019 Category: Physics Authors: F. G. Mitri Source Type: research

Analytical inversion of the focusing of high-numerical-aperture aplanatic systems
We propose a method for an analytical inversion of the electric and magnetic fields at the focus of a high-NA aplanatic system to obtain ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - September 6, 2019 Category: Physics Authors: Jeck Borne Denis Panneton Michel Pich é Simon Thibault Source Type: research

Broadband field-of-view expansion using a pair of digital micromirror devices
Broadband field-of-view expansion using computational optics methods is presented. A pair of chirp gratings, implemented by digital ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - September 6, 2019 Category: Physics Authors: Daniel Dahan Ami Yaacobi Gil Aharonovich Ephraim Pinsky Zeev Zalevsky Source Type: research

Doing good by writing well for JOSA A: editorial
Editor-in-Chief P. Scott Carney gives his thoughts on good writing for scientific publication. (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - August 31, 2019 Category: Physics Authors: P. Scott Carney Source Type: research

Finite-energy Airy – Lorentz – Gaussian beam and its paraxial propagation
We theoretically propose a new form of laser beam, named the finite-energy Airy – Lorentz – Gaussian (ALG) beam, which can be ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - August 31, 2019 Category: Physics Authors: Bin Tang Lirong Bian Source Type: research

Transmission point spread function of a turbid slab
A transmission point spread function characterizes the spatial distribution of light transmitted through a turbid slab. Because of scatter ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - August 31, 2019 Category: Physics Authors: Geoffrey Rogers Source Type: research

Perception of human skin conditions and image   statistics
The color and texture of human skin provide useful information in evaluating a person ’ s health, emotion, attractiveness, and so on. ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - August 29, 2019 Category: Physics Authors: Hitomi Otaka Hitomi Shimakura Isamu Motoyoshi Source Type: research

Influence of anisotropy of marine turbulence on the variance of optical wave AOA fluctuations
The optical wave angle of arrival (AOA) fluctuations in marine turbulence severely degrade long-range imaging quality by introducing image ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - August 29, 2019 Category: Physics Authors: Linyan Cui Yan Zhang Source Type: research

Electromagnetic energy in multilayered spherical particles
We obtain exact analytic expressions for (i) the electromagnetic energy radial density within and outside a multilayered sphere and (ii) ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - August 26, 2019 Category: Physics Authors: Ilia L. Rasskazov Alexander Moroz P. Scott Carney Source Type: research

Dual-input concave diffraction grating demultiplexer based on dielectric multidirectional reflectors
The conventional concave diffraction grating (CDG) is commonly operated as a coarse demultiplexer device due to significant increases in ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - August 26, 2019 Category: Physics Authors: Yuzheng Mao Jingping Zhu Ke Li Yang Zhang Xun Hou Source Type: research

Characterization of the ocular surface temperature dynamics in glaucoma subjects using long-wave infrared thermal imaging: publisher ’ s note
This publisher ’ s note corrects the funding section in J. Opt. Soc. Am. A36, 1015 (2019)JOAOD61084-752910.1364/JOSAA.36.001015. (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - August 24, 2019 Category: Physics Authors: Nery Garc í a-Porta Francisco Javier Gantes-Nu ñ ez Juan Tabernero Shahina Pardhan Source Type: research

Versatile inversion tool for phaseless optical diffraction tomography: publisher ’ s note
This publisher ’ s note corrects a typo in the title of J. Opt. Soc. Am. A36, C1 (2019)JOAOD60740-323210.1364/JOSAA.36.0000C1. (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - August 24, 2019 Category: Physics Authors: Kevin D. Unger Patrick C. Chaumet Guillaume Maire Anne Sentenac Kamal Belkebir Source Type: research

Efficiency of Gaussian light beam transformation into a waveguide mode of a plane dielectric layer under frustrated total internal reflection
On the basis of the 2D analytic theory of the phenomenon of frustrated total internal reflection for a Gaussian light beam, produced by the ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - August 23, 2019 Category: Physics Authors: Vladimir M. Serdyuk Anton S. Rudnitsky Source Type: research

Aero-optic thermal radiation effects correction with a low-frequency prior and a sparse constraint in the gradient domain
Sparse representation is commonly used in correction models to reduce thermal radiation effects. If the correction problem is restricted to ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - August 20, 2019 Category: Physics Authors: Yu Shi Hanyu Hong Xia Hua Tianxu Zhang Source Type: research

Refractive sphere and light point source: shortcut to the zero wavefronts
A somewhat basic way to find an expression for the zero wavefront of a given illuminated refractive medium starts from a wavefront arbitrary point E, belonging to this medium, whose position analytical expression is already known. Then, one derives a new virtual wavefront — the zero ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - August 14, 2019 Category: Physics Authors: Paul- É tienne Ouellette Source Type: research

Isolating the Gouy phase shift in a full physical-optics solution to the propagation problem
The Gouy phase shift has remained an object of fascination since its discovery by the eponymous scientist at the end of the nineteenth century. The reason behind this uninterrupted interest resides, at least in part, in the fact that the Gouy effect is to be found in the borderland between ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - August 14, 2019 Category: Physics Authors: Olga Baladron-Zorita Zongzhao Wang Christian Hellmann Frank Wyrowski Source Type: research

Eigenvalues of the coherency matrix for exact backscattering
An important approach to interpretation of the Mueller matrix is based on the eigenvalues of the coherency matrix, given by the roots of a quartic characteristic equation. For the case of backscattering, one eigenvalue is zero from reciprocity arguments, and the characteristic equation reduces to a ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - August 14, 2019 Category: Physics Authors: Colin J. R. Sheppard Artemi Bendandi Aymeric Le Gratiet Alberto Diaspro Source Type: research

Independent control of phase and power in spatially variant self-collimating photonic crystals
Self-collimating photonic crystals are a promising technology to control waves in optical devices. A technique was recently developed that can bend, twist, and otherwise spatially vary a photonic crystal without deforming the unit cells, as this would weaken or destroy the optical properties. ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - August 13, 2019 Category: Physics Authors: Jesus J. Gutierrez Noel P. Martinez Raymond C. Rumpf Source Type: research

Stereo matching based on multi-scale fusion and multi-type support regions
Obtaining accurate disparity values in textureless and texture-free regions is a very challenging task. To solve this problem, we present a novel algorithm. First, we use the guided filter method to fuse the color cost volume and the gradient cost volume. Second, we use three types of image ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - August 13, 2019 Category: Physics Authors: Haibin Li Yakun Gao Ziyue Huang Yakun Zhang Source Type: research

Spectral reconstruction of fluorescent objects with mutual illumination effects
An approach is proposed for appearance reconstruction of fluorescent objects with mutual illumination effects under different conditions of material and illumination. We focus on the problem of reconstructing a realistic scene appearance, including mutual illumination effects, under different ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - August 13, 2019 Category: Physics Authors: Shoji Tominaga Keita Hirai Takahiko Horiuchi Source Type: research

Modeling and optimization of the excitonic diffraction grating
Periodical spatial modulation of the excitonic resonance in a quantum well could lead to the formation of a new highly directional and resonant coherent optical response — resonant diffraction. Such excitonic diffraction gratings were demonstrated in epitaxially grown quantum wells patterned ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - August 13, 2019 Category: Physics Authors: P. Yu. Shapochkin Yu. V. Petrov S. A. Eliseev V. A. Lovcjus Yu. P. Efimov Yu. V. Kapitonov Source Type: research

Underwater wireless optical communication multi-tokens random backoff neighbor discovery method
The cooperation of multiple pieces of equipment can greatly improve the efficiency of work when performing tasks underwater. Networking communication is a crucial technology for underwater cooperation. Wireless optical communication technology has many advantages in underwater networking ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - August 9, 2019 Category: Physics Authors: Taifei Zhao Jing Wang Shiqi Wang Xingshan Li Source Type: research

Success is in the air for JOSA A: editorial
Editor-in-Chief P. Scott Carney introduces the Journal ’ s newest Topical Editor, Svetlana Avramov-Zamurovic. (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - August 9, 2019 Category: Physics Authors: P. Scott Carney Source Type: research

Background subtraction via time continuity and texture consistency constraints
Background subtraction has attracted enormous interest in the field of moving object detection. However, when there are complex scenarios such as illumination changes, dynamic background, and noise, the moving object area obtained by background subtraction often has holes, noise, and shadows. This ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - August 9, 2019 Category: Physics Authors: Xuan Zhu Chao Zhang JiaPing Xue ZhenPeng Guo RongZhi Wang YuYing Jin Source Type: research

On channel capacity of FSO communication systems in anisotropic non-Kolmogorov strong turbulent atmosphere
Average channel capacity of free space optical (FSO) communication systems using a Gaussian beam with the intensity modulation and direct detection technique is investigated in anisotropic non-Kolmogorov strong turbulent atmosphere. The channel model is selected as gamma-gamma distribution, which ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - August 9, 2019 Category: Physics Authors: Yal ç ı n Ata Source Type: research

Wavefront-shaping-based pattern regeneration through the scattering medium
We present a wavefront-shaping-based approach to achieve a user-specified pattern through a strong scattering medium. We show that the virtual ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - August 9, 2019 Category: Physics Authors: Ming Zhao Huai Wang Zhiming Tian Source Type: research

Average capacity of a UWOC system with partially coherent Gaussian beams propagating in weak oceanic turbulence
The average capacity of a single-input single-output (SISO) underwater wireless optical communication (UWOC) system with partially coherent Gaussian beams in a weak oceanic turbulence regime is investigated. An approximate analytical expression of scintillation index is derived mathematically to ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - August 7, 2019 Category: Physics Authors: Zhengxing Zou Ping Wang Wenwen Chen Ang Li Hongxin Tian Lixin Guo Source Type: research

Improving holographic search algorithms using sorted pixel selection
Traditional search algorithms for computer hologram generation such as Direct Search and Simulated Annealing offer some of the best hologram qualities at convergence when compared to rival approaches. Their slow generation times and high processing power requirements mean, however, that they see ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - August 6, 2019 Category: Physics Authors: Peter J. Christopher Jamie D. Lake Daoming Dong Hannah J. Joyce Timothy D. Wilkinson Source Type: research

Modified Mach – Zehnder interferometer for determining the high-order topological charge of Laguerre – Gaussian vortex beams
This study demonstrates a self-referenced interferometric method to estimate the magnitude and sign of a high-order topological charge (TC) carried by incoming optical vortex beams. The proposed method uses a right-angle prism in a Mach – Zehnder interferometer setup with controlled lateral ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 30, 2019 Category: Physics Authors: Praveen Kumar Naveen K. Nishchal Source Type: research

Versatile inversion tool for phaseless optical diffraction tomography
Estimating three-dimensional complex permittivity of a sample from the intensity recorded at the image plane of a microscope for various angles of illumination, as in optical Fourier ptychography microscopy, permits one to avoid the interferometric measurements of classical tomographic diffraction ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 26, 2019 Category: Physics Authors: Kevin D. Unger Patrick C. Chaumet Guillaume Maire Anne Sentenac Kamal Belkebir Source Type: research

Coherence of radiation from incoherent sources: II. Ball and disk sources and coherence of sunlight
Following the development of the companion paper [J. Opt. Soc. Am.36, 1433 (2019)JOAOD60740-323210.1364/JOSAA.36.00XXXX], additional models for the coherence of quasi-monochromatic light are constructed by placing incoherent monopole and dipole sources inside a spherical ball and on a circular ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 25, 2019 Category: Physics Authors: Mikhail Charnotskii Source Type: research

Coherence of radiation from incoherent sources: I. Sources on a sphere and far-field conditions
Models for the coherence of quasi-monochromatic light from spherical incoherent sources are constructed by placing incoherent monopole and dipole sources on the surface of a sphere. All models allow for relatively simple numerical calculations of coherence functions for arbitrary source sizes and ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 25, 2019 Category: Physics Authors: Mikhail Charnotskii Source Type: research

SuPeR: Milano Retinex implementation exploiting a regular image grid
A spatial color algorithm grounded on the Retinex theory is known as a Milano Retinex. This type of algorithm performs image enhancement by processing spatial and color cues in the neighborhood of each image pixel. Because this local, pixel-wise analysis is time consuming, optimization techniques ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 25, 2019 Category: Physics Authors: Michela Lecca Stefano Messelodi Source Type: research

Aberration balancing using an image-sharpness metric
Image-sharpness metrics can be used to optimize optical systems and to control wavefront sensorless adaptive optics systems. We show that for an aberrated system, the numerical value of an image-sharpness metric can be improved by adding specific aberrations. The optimum amplitudes of the ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 25, 2019 Category: Physics Authors: Orestis Kazasidis Sven Verpoort Ulrich Wittrock Source Type: research

Simulative study on speckle – spectral properties of a random pixelated grating
Speckle spectrometers based on disordered media have shown great prospects and attracted more and more attention. To obtain a larger bandwidth and higher light-energy utilization ratio, a novel speckle spectrometer scheme is proposed based on a random pixelated grating. The speckle generation ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 25, 2019 Category: Physics Authors: Li Wu Zhijian Cai Yanfeng Su Jianhong Wu Source Type: research

Versatile inversion tool for phaseless optical diffraction: tomography
Estimating three-dimensional complex permittivity of a sample from the intensity recorded at the image plane of a microscope for various angles of illumination, as in optical Fourier ptychography microscopy, permits one to avoid the interferometric measurements of classical tomographic diffraction ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 25, 2019 Category: Physics Authors: Kevin D. Unger Patrick C. Chaumet Guillaume Maire Anne Sentenac Kamal Belkebir Source Type: research

Curvilinear coordinate generalized source method for gratings with sharp edges
High-efficiency direct numerical methods are currently in demand for optimization procedures in the fields of both conventional diffractive and metasurface optics. With a view of extending the scope of application of the previously proposed generalized source method in the curvilinear coordinates, ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 22, 2019 Category: Physics Authors: Alexey A. Shcherbakov Source Type: research

Self-calibrated and SNR-enhanced particle holography
In-line particle holography suffers from speckle noise, and great effort has been made to alleviate it by designing post-processing algorithms. Recently, we proposed a novel approach which mitigates it by increasing the signal-to-noise ratio (SNR). The approach enhances the SNR by combining several ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 22, 2019 Category: Physics Authors: Shengfu Li Yu Zhao Yan Ye Source Type: research