Results 161 to 170 of about 1,764,811 (237)

Rotatum of light. [PDF]

Sci Adv
Dorrah AH, Palmieri A, Li L, Capasso F.
europepmc   +1 more source

Slow light topological photonics with counter-propagating waves and its active control on a chip. [PDF]

Nat Commun
Kumar A, Tan YJ, Navaratna N, Gupta M, Pitchappa P, Singh R.   +5 more
europepmc   +1 more source

A nanoscale photonic thermal transistor for sub-second heat flow switching. [PDF]

Nat Commun
Lim JW, Majumder A, Mittapally R, Gutierrez AR, Luan Y, Meyhofer E, Reddy P.   +6 more
europepmc   +1 more source

Guidance and absorption of internal energy in Vivaldi antennas using multiple slots, full-band dividers, metamaterials, and distributed resistors. [PDF]

Sci Rep
Hoang H, Nguyen MH, Pham-Xuan V.
europepmc   +1 more source

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Reverse-Time Migration using the Poynting Vector

Exploration Geophysics, 2006
Recently, rapid developments in computer hardware have enabled reverse-time migration to be applied to various production imaging problems. As a wave-equation technique using the two-way wave equation, reverse-time migration can handle not only multi-path arrivals but also steep dips and overturned reflections.
Kwangjin Yoon, Kurt J. Marfurt
openaire   +3 more sources

Behaviour of Poynting vector for dielectric-metal-dielectric optical waveguides and applications

Optical and Quantum Electronics, 2020
J. K. Anand, Himanshu Kushwah
semanticscholar   +3 more sources

Reverse Time Migration of Ground Penetrating Radar With Optimized Full Wavefield Separation Based on Poynting Vector Imaging Condition and TV-L1-Based Artifacts Suppression

IEEE Transactions on Geoscience and Remote Sensing, 2023
Reverse time migration (RTM) has the advantage of high-precision imaging, and it can converge the radar wave back to its actual position, making it widely used in radar exploration.
Deshan Feng, Zheng Feng, Xun Wang, Deru Xu, Yuxin Liu, Bingchao Li, Tianxiao Yu, Siyuan Ding, Ting Li   +8 more
semanticscholar   +1 more source

Directly observing the skew angle of a Poynting vector in an OAM carrying beam via angular diffraction.

Optics Letters, 2021
A new, to the best of our knowledge, method for directly measuring the skew angle of a Poynting vector of optical vortices is reported in this Letter. We design an incomplete optical vortex phase to mimic the occlusion of actual objects on the light path.
Song Qiu, Yuan Ren, Tong Liu, Zhengliang Liu, Chen Wang, You Ding, Qimeng Sha, Hao Wu   +7 more
semanticscholar   +1 more source

Bidirectional reflectance distribution function algorithm based on the Poynting vector analysis

Optical Engineering: The Journal of SPIE, 2021
. We used Maxwell’s partial differential equations of electrodynamics to quantify radiation and scattering on rough surfaces. The electrical field and the magnetic field are the results from the near-field.
Linli Sun, F. Zhao
semanticscholar   +1 more source

The Poynting Vector

2014
M. Fiddy, R. Ritter
semanticscholar   +3 more sources