Results 311 to 320 of about 1,072,541 (361)

Development of portable nanofocusing optics for X-ray free-electron laser pulses. [PDF]

J Synchrotron Radiat
Inubushi Y, Yamaguchi G, Yamada J, Kubota Y, Inoue I, Osaka T, Yabuuchi T, Tono K, Yabashi M.   +8 more
europepmc   +1 more source

Integrated visible-light optical coherence tomography and fluorescence scanning laser ophthalmoscopy to image retinal ganglion cell axons. [PDF]

Biomed Opt Express
Xu T, Fan W, Kuranov R, Kweon J, Atkinson R, Hu Y, Sun C, Zhang HF.   +7 more
europepmc   +1 more source

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Ultralow Dispersion Multicomponent Thin‐Film Chalcogenide Glass for Broadband Gradient‐Index Optics

Advances in Materials, 2018
A novel photothermal process to spatially modulate the concentration of sub‐wavelength, high‐index nanocrystals in a multicomponent Ge‐As‐Pb‐Se chalcogenide glass thin film resulting in an optically functional infrared grating is demonstrated.
M. Kang, A. Swisher, A. Pogrebnyakov, Liu Liu, A. Kirk, S. Aiken, L. Sisken, C. Lonergan, J. Cook, T. Malendevych, F. Kompan, I. Divliansky, L. Glebov, M. Richardson, C. Rivero‐Baleine, C. Pantano, T. Mayer, K. Richardson   +17 more
semanticscholar   +1 more source

Optical bistability with dispersion

Physical Review A, 1980
The purpose of this work is to study the behavior of atomic fluctuations and the spectrum of transmitted light by a nonlinear medium with absorption and dispersion. The authors make use of the system-size expansion and apply it to the quantum-mechanical Langevin's equations for the atomic operators and obtain the characteristic curves for bistable ...
Girish S. Agarwal, Surya P. Tewari
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Wavelength dispersion of optical waveguides

Applied Optics, 1980
Coefficients that characterize the contribution to the total waveguide dispersion from guide geometry and from material dispersion are introduced. These are cast in terms of the normalized parameters of normalized frequency, asymmetry measure, and effective guide index.
G. A. Bennett, Chin-Lin Chen
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Catenary optics: a perspective of applications and challenges

Journal of Physics: Condensed Matter, 2022
Catenary optics is an emerging direction of subwavelength optics, which is indispensable in describing the electric fields and dispersion property of coupled metallic subwavelength structures, and designing broadband high-efficiency geometric-phase ...
Xiangang Luo, Fei Zhang, M. Pu, Mingfeng Xu   +3 more
semanticscholar   +1 more source

Frequency dispersion of the first hyperpolarizabilities of reference molecules for nonlinear optics.

Journal of Chemical Physics, 2015
The frequency dispersion of the hyper-Rayleigh scattering first hyperpolarizabilities (βHRS) of five reference molecules for nonlinear optics, namely, carbon tetrachloride, chloroform, dichloromethane, acetonitrile, and trichloroacetonitrile, is ...
Marc de Wergifosse, F. Castet, B. Champagne   +2 more
semanticscholar   +1 more source

Optical rotatory dispersion of sugar

Carbohydrate Research, 1966
Abstract Optical rotatory dispersion curves have been obtained for a series of oligosaccharides. The rotatory data for the oligosaccharides, over the spectral region 600−185 mμ, where in general agreement with the sum of the rotations of the constituent monomeric residues.
Sasha Englard, Gad Avigad, Irving Listowsky   +2 more
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Optical rotatory dispersion of viruses

Journal of Molecular Biology, 1967
The optical rotatory dispersion spectra of the following 16 viruses were measured: T2, T2(gt), T4, T6, T6(gt), λc, λ(K), λ(C), X174, T5, T7, B3, MS2, f2, R17 and α. T2 ghosts and T2, λ(C), λ(K), T7 and X174 DNA's and R17 RNA were also measured. The effect of high concentrations of lithium chloride salts at neutral pH on the DNA molecule in solution was
Marcos F. Maestre, Ignacio Tinoco
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Optical resonator with negative dispersion

Optics Letters, 1984
Analysis of an optical ring resonator consisting of a prism and two mirrors demonstrates that such a resonator can have adjustable dispersion of either sign. The dispersion is proportional to the second derivative of the optical path length in the resonator with respect to wavelength.
James P. Gordon, R. L. Fork
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