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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

Yusufu N. Sulai, Drew Scoles, Zachary Harvey, Alfredo DubraImaging of the retinal vascular structure and perfusion was explored by confocal illumination and nonconfocal detection in an adaptive optics scanning light ophthalmoscope (AOSLO), as an extension of the work by Chui et al. [Biomed. Opt. Express3, 2537 (2012)]. Five different detection schemes ... [J. Opt. Soc. Am. A 31, 569-579 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-3-569 2014/02/14 - 15:00

Eric X. Wang, Svetlana Avramov-Zamurovic, Richard J. Watkins, Charles Nelson, Reza Malek-MadaniA method for probability density function (PDF) estimation using Bayesian mixtures of weighted gamma distributions, called the Dirichlet process gamma mixture model (DP-GaMM), is presented and applied to the analysis of a laser beam in turbulence. The problem is cast in a Bayesian setting, with the ... [J. Opt. Soc. Am. A 31, 580-590 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-3-580 2014/02/14 - 15:00

Daniel Asoubar, Site Zhang, Frank Wyrowski, Michael KuhnIn this work, four fast and rigorous methods for the simulation of light propagation in a homogenous medium are introduced. It is shown that in free-space propagation, the analytical handling of smooth but strong phase terms is very efficient in reducing the computational effort. Therefore, the ... [J. Opt. Soc. Am. A 31, 591-602 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-3-591 2014/02/14 - 15:00

W. Nelson, J. P. Palastro, C. C. Davis, P. SprangleWe investigate, through simulation, the modifications to Bessel and Airy beams during propagation through atmospheric turbulence. We find that atmospheric turbulence disrupts the quasi-non-diffracting nature of Bessel and Airy beams when the transverse coherence length (Fried parameter) nears the ... [J. Opt. Soc. Am. A 31, 603-609 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-3-603 2014/02/14 - 15:00

Pavel IonovIn many remote sensing applications one or multiple Fabry–Perot etalons are used as high-spectral-resolution filter elements. These etalons are often coupled to a receiving telescope with a multimode fiber, leading to subtle effects of the fiber mode order on the overall spectral response of ... [J. Opt. Soc. Am. A 31, 505-509 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-3-505 2014/02/14 - 15:00

Angela P. Moneda, Dimitrios P. ChrissoulidisThe electric dyadic Green’s function (dGf) of an eccentrically stratified sphere is built by use of the superposition principle, dyadic algebra, and the addition theorem of vector spherical harmonics. The end result of the analytical formulation is a set of linear equations for the unknown ... [J. Opt. Soc. Am. A 31, 510-517 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-3-510 2014/02/14 - 15:00

Vakhtang Jandieri, Kiyotoshi Yasumoto, Jaromir PistoraA self-contained coupled-mode theory for the coupled two asymmetric photonic crystal waveguides (PCWs) is presented. The first-order coupled-mode equations are derived under a weak coupling assumption. The coupling coefficients are obtained systematically by a matrix calculus using the modal ... [J. Opt. Soc. Am. A 31, 518-523 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-3-518 2014/02/14 - 15:00

Yun Chen, Frank SchaeffelSince the origin of the high interindividual variability of the chromatic difference in retinal image magnification (CDM) in the human eye is not well understood, optical parameters that might determine its magnitude were studied in 21 healthy subjects with ages ranging from 21 to 58 years. Two ... [J. Opt. Soc. Am. A 31, 524-531 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-3-524 2014/02/14 - 15:00

Ali Alsam, Puneet SharmaIn this paper, we analyzed eye fixation data obtained from 15 observers and 1003 images. When studying the eigen-decomposition of the correlation matrix constructed based on the fixation data of one observer viewing all images, it was observed that 23% of the data can be accounted for by one ... [J. Opt. Soc. Am. A 31, 532-540 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-3-532 2014/02/14 - 15:00

Timo Eckhard, Eva M. Valero, Javier Hernández-Andrés, Ville HeikkinenIn this work, we evaluate the conditionally positive definite logarithmic kernel in kernel-based estimation of reflectance spectra. Reflectance spectra are estimated from responses of a 12-channel multispectral imaging system. We demonstrate the performance of the logarithmic kernel in comparison ... [J. Opt. Soc. Am. A 31, 541-549 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-3-541 2014/02/14 - 15:00

Alex Rose-Henig, Arthur G. ShapiroWe introduce the “contrast–contrast asynchrony,” a dynamic stimulus configuration that combines elements of the Shapiro contrast asynchrony with elements of the Chubb contrast–contrast illusion. In the contrast–contrast asynchrony, static textured fields surround ... [J. Opt. Soc. Am. A 31, A232-A238 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-4-A232 2014/02/14 - 15:00

Christian Puller, Michael B. Manookin, Maureen Neitz, Jay NeitzThe distribution of the soluble NSF-attachment protein receptor protein syntaxin-4 and the Na-K-Cl cotransporter (NKCC) were investigated in the outer plexiform layer of human retina using immunohistochemistry. Both proteins, which are proposed to be components of a gamma-aminobutyric acid mediated ... [J. Opt. Soc. Am. A 31, A189-A194 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-4-A189 2014/02/12 - 12:02

Brian P. Schmidt, Maureen Neitz, Jay NeitzDe Valois and De Valois [Vis. Res.33, 1053 (1993)] showed that to explain hue appearance, S-cone signals have to be combined with M versus L opponent signals in two different ways to produce red–green and yellow–blue axes, respectively. Recently, it has been shown that color ... [J. Opt. Soc. Am. A 31, A195-A207 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-4-A195 2014/02/12 - 12:02

James A. Kuchenbecker, Scott H. Greenwald, Maureen Neitz, Jay NeitzThe electroretinogram (ERG) provides information about outer retina function in both clinical and research applications. ERG components elicited by light increments and decrements can be separated using a long-flash paradigm in which periods of light ON and OFF are alternated. Here, the ... [J. Opt. Soc. Am. A 31, A208-A213 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-4-A208 2014/02/12 - 12:02

Sérgio Miguel Cardoso Nascimento, Osamu MasudaIn a previous study based on monitor simulations of artistic paintings, it was found that the average correlated color temperature (CCT) of daylight preferred by a large set of observers to illuminate paintings was around 5100 K. The goal of the present study was to test if this result holds ... [J. Opt. Soc. Am. A 31, A214-A219 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-4-A214 2014/02/12 - 12:02

Romain Bachy, Qasim ZaidiTroxler showed that fixated stimuli fade faster in peripheral than in foveal vision. We used a time-varying procedure, to show that peripheral adaptation is faster and more pronounced than foveal adaptation for the three cardinal color modulations that isolate different classes of retinal ganglion ... [J. Opt. Soc. Am. A 31, A220-A225 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-4-A220 2014/02/12 - 12:02

A. J. Lawrance-Owen, J. M. Bosten, R. E. Hogg, G. Bargary, P. T. Goodbourn, J. D. MollonThe OSCAR test, a clinical device that uses counterphase flicker photometry, is believed to be sensitive to the relative numbers of long-wavelength and middle-wavelength cones in the retina, as well as to individual variations in the spectral positions of the photopigments. As part of a population ... [J. Opt. Soc. Am. A 31, A226-A231 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-4-A226 2014/02/12 - 12:02

Kazuho Fukuda, Keiji UchikawaTheoretical and experimental approaches have proposed that color constancy involves a correction related to some average of stimulation over the scene, and some of the studies showed that the average gives greater weight to surrounding bright colors. However, in a natural scene, high-luminance ... [J. Opt. Soc. Am. A 31, A239-A246 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-4-A239 2014/02/12 - 12:02

M. V. Danilova, J. D. MollonUnder conditions of adaptation to a steady neutral field (metameric to Daylight Illuminant D65), forced-choice thresholds for color discrimination were measured for brief targets presented to the human fovea. Measurements were made along +45° and −45° lines in a ... [J. Opt. Soc. Am. A 31, A247-A253 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-4-A247 2014/02/12 - 12:02

Katharina G. Foote, Maureen Neitz, Jay NeitzDrugs and environmental factors can induce tritan deficiencies. The Farnsworth–Munsell (FM) 100 Hue Test has become the gold standard in measuring these acquired defects. However, the test is time consuming, and color discrimination is confounded by concentration and patience. Here, we ... [J. Opt. Soc. Am. A 31, A186-A188 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-4-A186 2014/02/06 - 17:51

Yoko Mizokami, Hirohisa YaguchiThe recognition of spatial structures is important for color constancy because we cannot identify an object’s color under different illuminations without knowing which space it is in and how that space is illuminated. To show the importance of the natural structure of environments on color ... [J. Opt. Soc. Am. A 31, A179-A185 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-4-A179 2014/02/06 - 17:51

Shiping Li, Jingang ZhongImaging through turbid media using visible or IR light instead of harmful x ray is still a challenging problem, especially in dynamic imaging. A method of dynamic imaging through turbid media using digital holography is presented. In order to match the coherence length between the dynamic object ... [J. Opt. Soc. Am. A 31, 480-486 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-3-480 2014/02/06 - 17:51

Shiping Li, Jingang ZhongImaging through turbid media using visible or IR light instead of harmful x ray is still a challenging problem, especially in dynamic imaging. A method of dynamic imaging through turbid media using digital holography is presented. In order to match the coherence length between the dynamic object ... [J. Opt. Soc. Am. A 31, 480-486 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-3-480 2014/02/06 - 17:51

Victor Arrizón, Ulises Ruiz, Dilia Aguirre-Olivas, David Sánchez-de-la-Llave, Andrey S. OstrovskyWe compare two phase optical elements that are employed to generate approximate Bessel–Gauss beams of arbitrary order. These elements are the helical axicon (HA) and the kinoform of the desired Bessel–Gauss beam. The HA generates a Bessel beam (BB) by free propagation, and the ... [J. Opt. Soc. Am. A 31, 487-492 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-3-487 2014/02/06 - 17:51

Victor Arrizón, Ulises Ruiz, Dilia Aguirre-Olivas, David Sánchez-de-la-Llave, Andrey S. OstrovskyWe compare two phase optical elements that are employed to generate approximate Bessel–Gauss beams of arbitrary order. These elements are the helical axicon (HA) and the kinoform of the desired Bessel–Gauss beam. The HA generates a Bessel beam (BB) by free propagation, and the ... [J. Opt. Soc. Am. A 31, 487-492 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-3-487 2014/02/06 - 17:51

Emily W. TowThe transmissivity of fogged glass to visible light incident on the dry side is studied with ray tracing to show that condensation can act as an optically thick antireflective coating. A new simulation method is described that uses symmetry relations and analytical expressions for the intersection ... [J. Opt. Soc. Am. A 31, 493-499 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-3-493 2014/02/06 - 17:51

Emily W. TowThe transmissivity of fogged glass to visible light incident on the dry side is studied with ray tracing to show that condensation can act as an optically thick antireflective coating. A new simulation method is described that uses symmetry relations and analytical expressions for the intersection ... [J. Opt. Soc. Am. A 31, 493-499 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-3-493 2014/02/06 - 17:51

Minning Zhu, Qing Cao, Hua GaoIt is a great challenge to create a needle-like field with properties of long beam length, narrow lateral width, uniformity, and high optical efficiency. Here we show a method that can realize these properties all at once. The key element is a 90° apex-angle concave conical mirror. By using ... [J. Opt. Soc. Am. A 31, 500-504 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-3-500 2014/02/06 - 17:51

Minning Zhu, Qing Cao, Hua GaoIt is a great challenge to create a needle-like field with properties of long beam length, narrow lateral width, uniformity, and high optical efficiency. Here we show a method that can realize these properties all at once. The key element is a 90° apex-angle concave conical mirror. By using ... [J. Opt. Soc. Am. A 31, 500-504 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-3-500 2014/02/06 - 17:51

Angelo Sassaroli, Antonio Pifferi, Davide Contini, Alessandro Torricelli, Lorenzo Spinelli, Heidrun Wabnitz, Paola Di Ninni, Giovanni Zaccanti, Fabrizio MartelliIn this paper, after a critical review of the literature, we present two forward solvers and a new methodology for description of photon migration in the presence of totally absorbing inclusions embedded in diffusive media in both time and CW domains. The first forward solver is a heuristic ... [J. Opt. Soc. Am. A 31, 460-469 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-3-460 2014/02/04 - 17:30

Shunsuke Hattanda, Hiroyuki Shioya, Yosuke Maehara, Kazutoshi GoharaA method for constructing an object support based on K-means clustering of the object-intensity distribution is newly presented in diffractive imaging. This releases the adjustment of unknown parameters in the support construction, and it is well incorporated with the Gerchberg and Saxton diagram. ... [J. Opt. Soc. Am. A 31, 470-474 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-3-470 2014/02/04 - 17:30

Jianxia Liu, Libo YuanFundamental core-mode cutoff and evanescent field are considered for an eccentric core optical fiber (ECOF). A method has been proposed to calculate the core-mode cutoff by solving the eigenvalue equations of an ECOF. Using conformal mapping, the asymmetric geometrical structure can be transformed ... [J. Opt. Soc. Am. A 31, 475-479 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-3-475 2014/02/04 - 17:30

Declan McKeefry, Jan Kremers, Deepika Kommanapalli, Naveen K. Challa, Ian J. Murray, John Maguire, Neil R. A. ParryElectroretinograms (ERGs) elicited by transient, square-wave L- and M-cone isolating stimuli were recorded from human trichromatic (n=19) and dichromatic (n=4) observers. The stimuli were generated on a four primary LED stimulator and were equated in terms of cone modulation (cone contrast=0.11) ... [J. Opt. Soc. Am. A 31, A159-A169 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-4-A159 2014/02/01 - 10:46

Jan Kremers, Gobinda Pangeni, Konstantinos T. Tsaousis, Declan McKeefry, Ian J. Murray, Neil R.A. ParryL- and M-cone driven on- and off- ERG responses and their interactions were examined using full field stimuli with sawtooth temporal profiles. The effects of temporal frequency and contrast were studied. ERG recordings were obtained from 21 trichromatic, 1 protanopic, and 1 deuteranopic subjects. ... [J. Opt. Soc. Am. A 31, A170-A178 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-4-A170 2014/02/01 - 10:46

Jamie K. Opper, Nathaniel D. Douda, Vicki J. Volbrecht, Janice L. NergerFoveal and peripheral hue-scaling data were obtained for a 1° foveal stimulus and a 3° stimulus presented at 10° retinal eccentricity under both bleach (reducing rod input) and no-bleach (permitting rod input) conditions. Uniform appearance diagrams (UADs) were generated from the ... [J. Opt. Soc. Am. A 31, A148-A158 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-4-A148 2014/01/31 - 07:06

Hyunwoo Kim, Sukhan Lee, Yeonho LeeLine matching in widely separated views is challenging because of large perspective distortion and violation of the planarity assumption in local regions. We introduce a novel method of wide-baseline image matching based on the coplanar line intersections for poorly textured and/or nonplanar ... [J. Opt. Soc. Am. A 31, 421-435 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-2-421 2014/01/31 - 07:06

A. Ferrero, E. Perales, A. M. Rabal, J. Campos, F. M. Martínez-Verdú, E. Chorro, A. PonsA representation of the color gamut of special effect coatings is proposed and shown for six different samples, whose colors were calculated from spectral bidirectional reflectance distribution function (BRDF) measurements at different geometries. The most important characteristic of the proposed ... [J. Opt. Soc. Am. A 31, 436-447 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-2-436 2014/01/31 - 07:06

Salvador Alejandro Juárez-Reyes, Magdalena Marciano-Melchor, Mariana Marcelino-Aranda, Paula Ortega-Vidals, Edwin Román-Hernández, Gilberto Silva-Ortigoza, Ramón Silva-Ortigoza, Román Suárez-Xique, Gerardo Francisco Torres del Castillo, Mercedes Velázquez-QuesadaThe aim of this work is threefold: first we obtain analytical expressions for the wavefront train and the caustic associated with the refraction of a plane wavefront by an axicon lens, second we describe the structure of the ronchigram when the ronchiruling is placed at the flat surface of the ... [J. Opt. Soc. Am. A 31, 448-459 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-2-448 2014/01/31 - 07:06

G. Hugh SongBased on complex-variable analysis of a Fabry–Perot resonator as a multimode nonsymmetric two-port waveguide device, two versions of equivalent-circuit configurations are presented: Starting from a renewed study on single-mode two-pole circuits, we develop two respective multimode equivalent ... [J. Opt. Soc. Am. A 31, 411-420 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-2-411 2014/01/30 - 00:18

G. Hugh SongIn the first part of a two-part study on the equivalent-circuit representation of any given Fabry–Perot resonator (FPR) that supports, by nature, infinitely many resonance modes, the complex-variable pole-zero structure of its scattering coefficients is extensively analyzed in general terms ... [J. Opt. Soc. Am. A 31, 404-410 (2014)]

http://www.opticsinfobase.org/abstract.cfm?URI=josaa-31-2-404 2014/01/30 - 00:18