Results 321 to 330 of about 1,588,657 (354)
Laparoscopic liver parenchymal transection using CUSA versus harmonic scalpel: a protocol for a prospective randomized controlled trial. [PDF]
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Second-Harmonic Generation in Resonant Nonlinear Metasurfaces Based on Lithium Niobate.
Nano letters (Print), 2020Lithium niobate is an excellent and widely used material for nonlinear frequency conversion due to its strong optical nonlinearity and broad transparency region.
A. Fedotova +9 more
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Harmonic maps and harmonic morphisms
Journal of Mathematical Sciences, 1999zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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Quasi-phase-matched second harmonic generation: tuning and tolerances
, 1992The theory of quasi-phase-matched second-harmonic generation is presented in both the space domain and the wave vector mismatch domain. Departures from ideal quasi-phase matching in periodicity, wavelength, angle of propagation, and temperature are ...
M. Fejer, G. A. Magel, D. Jundt, R. Byer
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Enhanced Third Harmonic Generation in Single Germanium Nanodisks Excited at the Anapole Mode.
Nano letters (Print), 2016We present an all-dielectric germanium nanosystem exhibiting a strong third order nonlinear response and efficient third harmonic generation in the optical regime. A thin germanium nanodisk shows a pronounced valley in its scattering cross section at the
G. Grinblat +4 more
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Rotation Invariant Spherical Harmonic Representation of 3D Shape Descriptors
Eurographics Symposium on Geometry Processing, 2003One of the challenges in 3D shape matching arises from the fact that in many applications, models should be considered to be the same if they differ by a rotation.
M. Kazhdan +2 more
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IEEE Transactions on Industrial Informatics, 2019
Winding currents contain lots of harmonics if motors rotate at a high speed. This paper addresses two key challenges on the harmonic suppression: 1) using the multiple synchronous rotating frame transformations (MSRFTs) to get the primary signals, and 2)
Gang Liu, B. Chen, Kun Wang, Xinda Song
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Winding currents contain lots of harmonics if motors rotate at a high speed. This paper addresses two key challenges on the harmonic suppression: 1) using the multiple synchronous rotating frame transformations (MSRFTs) to get the primary signals, and 2)
Gang Liu, B. Chen, Kun Wang, Xinda Song
semanticscholar +1 more source
Broadband, electrically tunable third-harmonic generation in graphene
Nature Nanotechnology, 2017Optical harmonic generation occurs when high intensity light (>1010 W m–2) interacts with a nonlinear material. Electrical control of the nonlinear optical response enables applications such as gate-tunable switches and frequency converters.
G. Soavi +18 more
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Enhanced high-harmonic generation from an all-dielectric metasurface
Nature Physics, 2017The recent observation of high-harmonic generation from solids creates a new possibility for engineering fundamental strong-field processes by patterning the solid target with subwavelength nanostructures.
Hanzhe Liu +9 more
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A method for analysis of harmonics and inter-harmonics
48th Midwest Symposium on Circuits and Systems, 2005., 2005A method for analysis of signals containing harmonics and inter-harmonics is presented and discussed. This method is primarily developed for analysis of power system signals which contain harmonic and inter-harmonic components. However, usefulness of the proposed technique goes beyond the area of power systems and it can be employed for other ...
Houshang Karimi +1 more
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