Results 51 to 60 of about 79,181 (180)

nalysis of the characteristics of Mandelstam–Brillouin scattering in varieties of erbium optical fibers

open access: yesОмский научный вестник
The research presents the results of testing the Mandelstam–Brillouin scattering parameters for several types of optical fibers doped with erbium and cerium ions. The obtained Brillouin reflectograms of different types are shown.
I. V. Bogachkov
doaj   +1 more source

Brillouin microspectroscopy data of tissue-mimicking gelatin hydrogels

open access: yesData in Brief, 2020
Brillouin spectroscopy, based on the inelastic scattering of light from thermally driven acoustic waves or phonons [1], holds great promise in the field of life sciences as it provides functionally relevant micromechanical information in a contactless ...
Michelle Bailey   +5 more
doaj   +1 more source

Uncertainty Estimation for the Brillouin Frequency Shift Measurement Using a Scanning Tandem Fabry–Pérot Interferometer

open access: yesMicromachines, 2023
The expanded uncertainty of the measured Brillouin scattering shift frequencies is essential in assessing the measurements of parameters of various materials. We describe the general operation principles of a Brillouin light scattering (BLS) spectrometer
Patrice Salzenstein, Thomas Y. Wu
doaj   +1 more source

Metamaterial control of stimulated Brillouin scattering

open access: yes, 2016
Using full opto-acoustic numerical simulations, we demonstrate enhancement and suppression of the SBS gain in a metamaterial comprising a subwavelength cubic array of dielectric spheres suspended in a dielectric background material.
de Sterke, C. Martijn   +5 more
core   +1 more source

Guided-wave Brillouin scattering in air

open access: yes, 2016
Here we identify a new form of optomechanical coupling in gas-filled hollow-core fibers. Stimulated forward Brillouin scattering is observed in air in the core of a photonic bandgap fiber.
Behunin, Ryan O.   +2 more
core   +1 more source

Enhancement of Brillouin Scattering Signal in Perfluorinated Graded-Index Polymer Optical Fibers

open access: yesApplied Sciences, 2012
Perfluorinated graded-index polymer optical fibers (PFGI-POFs), fabricated by replacing the hydrogen atoms of standard polymethyl methacrylate-based POFs with fluorine atoms, have been extensively studied due to their relatively low propagation loss even
Yosuke Mizuno, Kentaro Nakamura
doaj   +1 more source

Brillouin light scattering of spin waves inaccessible with free-space light

open access: yesPhysical Review Research, 2020
Microfocus Brillouin light scattering is a powerful technique for the spectroscopic and spatial characterization of elementary excitations in materials. However, the small momentum of light limits the accessible excitations to the center of the Brillouin
Ryan Freeman   +10 more
doaj   +1 more source

Compact Brillouin devices through hybrid integration on Silicon

open access: yes, 2017
A range of unique capabilities in optical and microwave signal processing have been demonstrated using stimulated Brillouin scattering. The desire to harness Brillouin scattering in mass manufacturable integrated circuits has led to a focus on silicon ...
Casas-Bedoya, A.   +11 more
core   +1 more source

Speed of sound measurement and mapping in transparent materials by impulsive stimulated Brillouin microscopy

open access: yesJPhys Photonics
Impulsive stimulated Brillouin scattering (ISBS) is a variant of stimulated Brillouin scattering, which can overcome the shortcomings of the long acquisition time of traditional Brillouin microscopy.
Taoran Le, Jiarui Li, Haoyun Wei, Yan Li
doaj   +1 more source

Nonmonotonic d_{x^2-y^2} Superconducting Order Parameter in Nd_{2-x}Ce_xCuO_4

open access: yes, 2002
Low energy polarized electronic Raman scattering of the electron doped superconductor Nd_1.85Ce_0.15CuO_4 (T_c=22 K) has revealed a nonmonotonic d_{x^2-y^2} superconducting order parameter.
A. Chubukov   +50 more
core   +1 more source

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