Onset times of long-lived rogue waves in an optical waveguide array
We study the effects of increasing modulation instability and disorder on the onset times of rogue waves in waveguide arrays as described ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - August 5, 2020 Category: Physics Authors: C. D. Pelwan A. Quandt R. Warmbier Source Type: research

Zonal integration of circular Hartmann and Placido patterns with non-rotationally symmetric aberrations
Placido disk methods for corneal topography use a target with concentric rings in order to obtain measurements of the corneal surface, ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 30, 2020 Category: Physics Authors: Daniel G ó mez-Tejada Zacar í as Malacara-Hern á ndez Daniel Malacara-Doblado Daniel Malacara-Hern á ndez Source Type: research

Structured metal double-blazed dispersion grating for broadband spectral efficiency achromatization
The majority of spectrometers use reflective dispersion gratings with a metal-coated blazed grating profile for spectral decomposition. ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 29, 2020 Category: Physics Authors: Oliver Sandfuchs Matthias Kraus Robert Brunner Source Type: research

Microstructure overlapping image application with optical decryption
Currently, valuable tickets are scanned and verified by embedding quick response (QR) codes, but few studies have embedded encrypted ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 29, 2020 Category: Physics Authors: Chi-Hung Wang Yuh-Shyan Hwang Hsi-Chun Wang Yu-Ling Wang Kuo-Yu Tsai Source Type: research

Development of ultrastable fiber-optic time and frequency reference networks in Africa
The unparalleled accuracy of modern-day atomic clocks has stimulated the development of time and frequency comparison techniques, with ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 29, 2020 Category: Physics Authors: Shukree Wassin Kagiso Leburu George Isoe Tim Gibbon Source Type: research

Numerical model of an Er^3+/Yb^3+ co-doped seven-core fiber amplifier for a space division multiplexing system
Space division multiplexing (SDM) erbium-doped seven-core fiber amplifiers (EDFAs) are increasingly attracting interest due to their ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 29, 2020 Category: Physics Authors: Ali Nassiri Abdelkader Boulezhar H. Idrissi Saba Source Type: research

Linear canonical transform as a tool to analyze coherence properties of electromagnetic beams propagating in a quadratic phase system
Linear canonical transformation (LCT) provides a generalized and elegant mathematical framework for analyzing the coherence properties of ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 29, 2020 Category: Physics Authors: Arvind Yelashetty Nitika Gupta Devnath Dhirhe Unnikrishnan Gopinathan Source Type: research

VO_2-based active tunable emittance thermochromic flexible coatings
This contribution reports, for what we believe is the first time, on VO_2-based thin-film coatings on flexible Al substrates exhibiting a ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 28, 2020 Category: Physics Authors: N. Numan B. Mabakachaba A. Simo Z. Nuru M. Maaza Source Type: research

Tunable bifunctional polarization-independent metamaterial device based on Dirac semimetal and vanadium dioxide
In this study, a tunable bifunctional polarization-independent metamaterial device based on Dirac semimetal films (DSFs) and vanadium ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 27, 2020 Category: Physics Authors: Maoyong Cao Tongling Wang Lei Li Huiyun Zhang Yuping Zhang Source Type: research

Revisiting the generalized polar decomposition of Mueller matrices
Mueller polarimetry is a powerful imaging modality that has been successfully applied to various application fields. Decomposition of ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 27, 2020 Category: Physics Authors: Christian Heinrich Jean Rehbinder Jihad Zallat Source Type: research

Optimization methods for achieving high diffraction efficiency with perfect electric conducting gratings
This work presents the implementation, numerical examples, and experimental convergence study of first- and second-order optimization ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 24, 2020 Category: Physics Authors: Rub é n Aylwin Gerardo Silva-Oelker Carlos Jerez-Hanckes Patrick Fay Source Type: research

On-machine surface defect detection using light scattering and deep learning
This paper presents an on-machine surface defect detection system using light scattering and deep learning. A supervised deep learning ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 23, 2020 Category: Physics Authors: Mingyu Liu Chi Fai Cheung Nicola Senin Shixiang Wang Rong Su Richard Leach Source Type: research

Introduction to electromagnetic scattering, part II: tutorial
In this paper, some generalizations of electromagnetic scattering problems by elementary shapes are presented. In particular, the aim of ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 22, 2020 Category: Physics Authors: Fabrizio Frezza Fabio Mangini Nicola Tedeschi Source Type: research

Approaching quantum-limited imaging resolution without prior knowledge of the object location
Passive imaging receivers that demultiplex an incoherent optical field into a set of orthogonal spatial modes prior to detection can ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 22, 2020 Category: Physics Authors: Michael R. Grace Zachary Dutton Amit Ashok Saikat Guha Source Type: research

Propagation characteristics of Gaussian – Schell model beams through optical systems in Kerr media
For the beam spreading case, the propagation formulae of Gaussian – Schell model (GSM) beams through general optical systems in Kerr ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 22, 2020 Category: Physics Authors: Jing Hu Huan Wang Xiaoling Ji Yu Deng Lifeng Chen Source Type: research

Singular value decomposition approach to coherent averaging in digital holography
We present a new approach to coherent averaging in digital holography using singular value decomposition (SVD). Digital holography enables ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 22, 2020 Category: Physics Authors: Samuel D. Park Samuel T. Thurman James R. Lindle Abbie T. Watnik Paul S. Lebow Andrew T. Bratcher Source Type: research

Goniochromatic assessment of gray scales for color change
The dependence of color differences on the illumination and viewing directions for two widely used gray scales for color change (SDCE and ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 20, 2020 Category: Physics Authors: Alejandro Ferrero Berta Bernad Joaqu í n Campos No ë l Richard Christine Fern á ndez-Maloigne Manuel Melgosa Source Type: research

Color difference evaluation for wide-color-gamut displays
With the emerging demand for wide-color-gamut displays, an issue has been raised in which the commonly used color difference formulae or ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 18, 2020 Category: Physics Authors: Baiyue Zhao Qiang Xu Ming Ronnier Luo Source Type: research

Physiological wound assessment from coregistered and segmented tissue hemoglobin maps
A handheld near-infrared optical scanner (NIROS) was recently developed to map for effective changes in oxy- and deoxyhemoglobin ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 17, 2020 Category: Physics Authors: E. A. Robledo R. Schutzman R. Fang C. Fernandez R. Kwasinski K. Leiva F. Perez-Clavijo A. Godavarty Source Type: research

Digital Stokes polarimetry and its application to structured light: tutorial
Stokes polarimetry is a mature topic in optics, most commonly performed to extract the polarization structure of optical fields for a range ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 17, 2020 Category: Physics Authors: Keshaan Singh Najmeh Tabebordbar Andrew Forbes Angela Dudley Source Type: research

Laser-induced autofluorescence assisted by multivariate techniques discriminates a cataractous lens from healthy lens tissues of Sprague – Dawley rats
Laser-induced autofluorescence (LIAF), combined with multivariate techniques, has been used to discriminate a cataractous lens from healthy ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 17, 2020 Category: Physics Authors: Peter Osei-Wusu Adueming Moses Jojo Eghan Benjamin Anderson Samuel Kyei Jerry Opoku-Ansah Charles Lloyd Yeboah Amuah Charles Darko Takyi Paul Kingsley Buah-Bassuah Source Type: research

Far-field modeling of obstructed Laguerre – Gauss beams
It was shown in the paper Opt. Lett.40, 3739 (2015)OPLEDP0146-959210.1364/OL.40.003739 that Laguerre – Gauss beams (LGB_n) of order n ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 16, 2020 Category: Physics Authors: Abdelhalim Bencheikh Saoussene Chabou Ouis Chouaib Boumeddine Source Type: research

Confocal chromatic sensor with an actively tilted lens for 3D measurement
Confocal chromatic displacement sensors are versatile and precise sensors for measuring the distance to a single point. In order to obtain ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 13, 2020 Category: Physics Authors: Martin E. Fuerst Ernst Csencsics Christian Haider Georg Schitter Source Type: research

Comparison of sensitivity to beam collimation of the holographic shearing interferometer with the wedge plate shearing interferometer and the Talbot shearing interferometer
High sensitivity of collimation testing equipment is desirable where collimated beams are used for precise and accurate measurements. ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 13, 2020 Category: Physics Authors: Rajiv Dubey Raj Kumar Source Type: research

Generalized temporal synthesis method for a birefringent laser pulse shaper
We propose a new method for the synthesis of arbitrary temporal output pulse profiles by using a birefringent laser pulse shaper. This ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 7, 2020 Category: Physics Authors: Abderezzaq Halassi Youcef Driouche Rachid Hamdi Badr-Eddine Benkelfat Source Type: research

Side-coupled liquid sensor and its array with magneto-optical photonic crystal
In this paper, a side-coupled liquid sensor and its array based on magneto-optical photonic crystal are proposed. The sensitivity and ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 7, 2020 Category: Physics Authors: Aoqian Shi Rui Ge Jianjun Liu Source Type: research

Absolute laser ranging by time-of-flight measurement of ultrashort light pulses [Invited]
Ultrashort pulse lasers are emerging as an advanced tool of distance measurement, with their unique temporal and spectral characteristics ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 7, 2020 Category: Physics Authors: Wooram Kim Jaeyoung Jang Seongheum Han Seungman Kim Jeong Seok Oh Byung Soo Kim Young-Jin Kim Seung-Woo Kim Source Type: research

Cosine beam: diffraction-free propagation and self-healing
In this paper we revisit the nondiffracting properties of the cosine beam (CB). Since the CB is of infinite extension and not physically ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - July 7, 2020 Category: Physics Authors: Abdelhalim Bencheikh Saoussene Chabou Ouis Chouaib Boumeddine Hocine Bekkis Abdeldjallil Benstiti Laarfa Beddiaf Widad Moussaoui Source Type: research

Light-field-depth-estimation network based on epipolar geometry and image segmentation
In this paper, we propose a convolutional neural network based on epipolar geometry and image segmentation for light-field depth ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - June 30, 2020 Category: Physics Authors: Xucheng Wang Chenning Tao Rengmao Wu Xiao Tao Peng Sun Yong Li Zhenrong Zheng Source Type: research

Fabric defect detection using a hybrid particle swarm optimization-gravitational search algorithm and a Gabor filter
Recently, fabric defect inspection techniques have received attention in textile production procedures, since demands for various textile ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - June 27, 2020 Category: Physics Authors: Yongguk So Jongchol Kim Hyok Hwang Source Type: research

Correlative infrared optical coherence tomography and hyperspectral chemical imaging
Optical coherence tomography (OCT) is a high-resolution three-dimensional imaging technique that enables nondestructive measurements of ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - June 26, 2020 Category: Physics Authors: Ivan Zorin Rong Su Bettina Heise Bernhard Lendl Markus Brandstetter Source Type: research

New Feature Editor and Topical Editor: editorial
Editor-in-Chief P. Scott Carney introduces the Journal ’ s new Feature Editor and newest Topical Editor. (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - June 25, 2020 Category: Physics Authors: P. Scott Carney Source Type: research

Nonuniqueness of the quasinormal mode expansion of electromagnetic Lorentz dispersive materials
Any optical structure possesses resonance modes, and its response to an excitation can be decomposed onto the quasinormal and numerical ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - June 25, 2020 Category: Physics Authors: A. Gras P. Lalanne M. Durufl é Source Type: research

Accurate stacked-sheet counting method based on deep learning
The accurate counting of laminated sheets, such as packing or printing sheets in industry, is extremely important because it greatly ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - June 25, 2020 Category: Physics Authors: Dieuthuy Pham Minhtuan Ha Cao San Changyan Xiao Source Type: research

Vectorial physical-optics modeling of Fourier microscopy systems in nanooptics
Fourier microscopy, which makes direct observation of the angular distribution possible, is widely used in the nanooptics community. The ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - June 24, 2020 Category: Physics Authors: Rui Shi Norik Janunts Christian Hellmann Frank Wyrowski Source Type: research

One-step fluorescence photoacoustic tomography with the optical radiative transfer model
We present adjoint-based Jacobian as well as gradient evaluations and corresponding reconstruction schemes to solve the fully nonlinear, ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - June 24, 2020 Category: Physics Authors: Prabodh Kumar Pandey Jampu Bharadwaj Naren Naik Hari Om Aggrawal Source Type: research

Compressive sensing approaches for the prediction of scattered electromagnetic fields
We present a novel method based on Huygens ’ principle and compressive sensing to predict the electromagnetic (EM) fields in ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - June 24, 2020 Category: Physics Authors: Chandan Bhat Karteekeya Sastry Uday K. Khankhoje Source Type: research

Superconical aplanatic ovoid singlet lenses
In this work, we return to Descartes ’ s idea to develop a formalism to construct rigorously stigmatic singlet lenses comprising two ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - June 24, 2020 Category: Physics Authors: Alberto Silva-Lora Rafael Torres Source Type: research

Eigenvectors of polarization coherency matrices
Calculation of the eigenvectors of two- and three-dimensional coherency matrices, and the four-dimensional coherency matrix associated with ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - June 24, 2020 Category: Physics Authors: Colin J. R. Sheppard Artemi Bendandi Aymeric Le Gratiet Alberto Diaspro Source Type: research

Numerical method for analyzing the near-field enhancement of nonspherical dielectric-core metallic-shell particles accounting for the nonlocal dispersion
Over the last few decades, dielectric core and metallic plasmonic shell (Die@Me) nanoparticles have found a wide variety of applications. ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - June 20, 2020 Category: Physics Authors: Yuri Eremin Adrian Doicu Thomas Wriedt Source Type: research

Absorption enhancement by a period array of nano-grooves in gold substrate
Comprehensive investigations of absorption enhancement by a period array of nano-grooves in gold substrate are provided. A simple ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - June 18, 2020 Category: Physics Authors: Yinghao Cao Siwen Zhang Xiaodong Sun Feng Wu Source Type: research

Characterizing the spatiotemporal envelope of the human visual system through the visibility of temporal aliasing artifacts
Previous studies have demonstrated that the onset of temporal aliasing artifacts occurs when the spatial displacement between samples ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - June 16, 2020 Category: Physics Authors: Alex Mackin David Bull Source Type: research

Infrared and visible image fusion via joint convolutional sparse representation
Recently, convolutional sparse representation (CSR) has improved the preservation of details of source images in the fusion results. This ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - June 16, 2020 Category: Physics Authors: Minghui Wu Yong Ma Fan Fan Xiaoguang Mei Jun Huang Source Type: research

On special relativistic effects via classical physics
We present an analytic study of light propagation in a simple Michelson – Morley interferometer as observed by inertial observers to ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - June 16, 2020 Category: Physics Authors: Robert A. Woodruff Source Type: research

Zonal-based high-performance control in adaptive optics systems with application to astronomy and satellite tracking
This paper presents a model-based approach to adaptive optics (AO) control based on a zonal (i.e., pixelized) representation of the ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - June 13, 2020 Category: Physics Authors: L è onard Preng è re Caroline Kulcs á r Henri-Fran ç ois Raynaud Source Type: research

A compact high-precision periodic-error-free heterodyne interferometer
We present the design, bench-top setup, and experimental results of a compact heterodyne interferometer that achieves picometer-level ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - June 13, 2020 Category: Physics Authors: Ki-Nam Joo Erin Clark Yanqi Zhang Jonathan D. Ellis Felipe Guzm á n Source Type: research

Calibration methods for a camera with a tilted lens and a three-dimensional laser scanner in the Scheimpflug condition
A three-dimensional laser scanner has been designed and widely utilized in many fields. The lens plane is tilted according to the ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - June 10, 2020 Category: Physics Authors: Mingwei Shao Source Type: research

Computerized simulation of color appearance for anomalous trichromats using the multispectral image: erratum
Corrections are given for misprints in J. Opt. Soc. Am. A35, B278 (2018)JOAOD60740-323210.1364/JOSAA.35.00B278. (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - June 3, 2020 Category: Physics Authors: Hirohisa Yagchi Junyan Luo Miharu Kato Yoko Mizokami Source Type: research

Twin equal-intensity foci with the same resolution generated by a modified precious mean zone plate
A modified precious mean zone plate (MPMZP) is proposed to generate twin equal-intensity foci with the same resolution related to the ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - May 29, 2020 Category: Physics Authors: Tian Xia Shaohua Tao Shubo Cheng Source Type: research

Hybrid reconstruction method for multispectral bioluminescence tomography with log-sum regularization
Bioluminescence tomography (BLT) has important applications in the in vivo visualization of a pathological process for preclinical studies. ... (Source: Journal of the Optical Society of America A)
Source: Journal of the Optical Society of America A - May 27, 2020 Category: Physics Authors: Jingjing Yu Qin Tang Qiyue Li Hongbo Guo Xiaowei He Source Type: research