Results 41 to 50 of about 1,213,794 (338)

Dispersion-managed soliton in optical fibers with zero average dispersion

open access: yes, 2000
The dispersion-managed (DM) optical system with step-wise periodical variation of dispersion is studied in the framework of path-averaged Gabitov-Turitsyn equation. The soliton solution is obtained by iterating the path-averaged equation.
Ablowitz   +10 more
core   +2 more sources

Metamaterial Coatings for Broadband Asymmetric Mirrors [PDF]

open access: yes, 2006
We report on design and fabrication of nano-composite metal-dielectric thin film coatings with high reflectance asymmetries. Applying basic dispersion engineering principles to model a broadband and large reflectance asymmetry, we obtain a model ...
A. Chen   +20 more
core   +2 more sources

Considerations on combined-function optics for high-energy storage rings and colliders

open access: yesEPJ Techniques and Instrumentation, 2022
In a recent paper, the proposal of using combined-function optics for the arcs of the Future Circular hadron Collider (FCC–hh) was presented and discussed in detail.
M. Giovannozzi
doaj   +1 more source

A SHARP view of H0LiCOW: H0 from three time-delay gravitational lens systems with adaptive optics imaging [PDF]

open access: yesMonthly notices of the Royal Astronomical Society, 2019
We present the measurement of the Hubble constant, H0, with three strong gravitational lens systems. We describe a blind analysis of both PG 1115+080 and HE 0435−1223 as well as an extension of our previous analysis of RXJ 1131−1231.
G. Chen   +22 more
semanticscholar   +1 more source

The connection between the peaks in velocity dispersion and star-forming clumps of turbulent galaxies

open access: yes, 2017
We present Keck/OSIRIS adaptive optics observations with 150-400 pc spatial sampling of 7 turbulent, clumpy disc galaxies from the DYNAMO sample ($0 ...
Abraham, R.   +7 more
core   +1 more source

Demonstration of optically modulated dispersion forces

open access: yes, 2007
We report the first experiment on the optical modulation of dispersion forces through a change of the carrier density in a Si membrane. For this purpose a high-vacuum based atomic force microscope and excitation light pulses from an Ar laser are used ...
Chen, F.   +3 more
core   +1 more source

Nonlinear wavelength conversion in photonic crystal fibers with three zero dispersion points

open access: yes, 2010
In this theoretical study, we show that a simple endlessly single-mode photonic crystal fiber can be designed to yield, not just two, but three zero-dispersion wavelengths.
A. Podlipensky   +8 more
core   +1 more source

Space-time wave packets localized in all dimensions

open access: yesNature Communications, 2022
Propagation-invariant wave packets confined in space and time can be useful for optical sensing, imaging, and nonlinear and quantum optics. Here the authors demonstrate control over the angular dispersion of optical wave packets in two-transverse ...
Murat Yessenov   +6 more
doaj   +1 more source

Combining high-dispersion spectroscopy (HDS) with high contrast imaging (HCI): Probing rocky planets around our nearest neighbors [PDF]

open access: yes, 2015
Aims: In this work, we discuss a way to combine High Dispersion Spectroscopy and High Contrast Imaging (HDS+HCI). For a planet located at a resolvable angular distance from its host star, the starlight can be reduced up to several orders of magnitude ...
Birkby, Jayne   +8 more
core   +3 more sources

Exploring Preferences for a Digital Single‐Session Intervention for Adolescent Siblings of Youth With Cancer

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Introduction Adolescent siblings of children with cancer are at elevated risk for psychosocial problems. Unfortunately, various barriers such as limited family time and resources, conflicting schedules, and psychosocial staffing constraints at cancer centers hinder sibling access to support.
Christina M. Amaro   +10 more
wiley   +1 more source

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