Highly efficient spintronic terahertz emitter
WebOct 13, 2015 · Terahertz electromagnetic radiation is extremely useful for numerous applications such as imaging and spectroscopy. Therefore, it is highly desirable to have an efficient table-top emitter covering the 1-to-30-THz window whilst being driven by a low-cost, low-power femtosecond laser oscillator. So far, all solid-state emitters solely exploit … WebJan 4, 2024 · The mechanism is to use an ultrafast infrared pump pulse for exciting rapidly decaying currents inside either a nonlinear or a photoconducting medium, known as a THz …
Highly efficient spintronic terahertz emitter
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WebJun 8, 2024 · The spintronic THz emitter array (STEA) is excited by two-DMD-encoded fs laser pulses and generates spatially coded THz pulses. An object “CAEP” was placed in … WebDec 15, 2024 · In this Letter, a unidirectional spintronic terahertz emitter (USTE) integrating a common STE with a metal grating is proposed to manipulate the THz emission process. The dyadic Green's function method and finite element method are adopted to survey the characteristics of the USTE. Simulations show that the metal grating not only has a ...
WebMay 25, 2024 · Such hybrid terahertz emitters can combine the advantages of spintronic emitters for being ultrabroadband, efficient and flexible, as well as those of metasurfaces for the unique capability to manipulate terahertz waves with high precision and degree of …
Web2 days ago · An important issue for spintronic terahertz emitters is the analysis of spin-current generation and spin-to-charge conversion based on the emitted terahertz signal. … WebApr 8, 2024 · Terahertz (THz) band lies between the microwave and infrared ranges of the electromagnetic spectrum and has interesting features such as high spatial resolution, non-destructive, less harmful, non-ionizing, and better penetration depth compared to other frequency ranges (Federici et al. 2013 ).
WebJul 9, 2024 · CHORUS Collections Editor's Pick ABSTRACT We demonstrate antenna-coupled spintronic terahertz (THz) emitters excited by 1550 nm, 90 fs laser pulses. Antennas are employed to optimize THz outcoupling and frequency coverage of ferromagnetic/nonmagnetic metallic spintronic structures.
WebJul 9, 2024 · Spintronic terahertz (THz) emitter provides the advantages such as apparently broader spectrum, significantly lower cost, and more flexibility in compared with the … greek mythology fandom wikiWebNature photonics 23. Mai 2016. Terahertz electromagnetic radiation is extremely useful for numerous applications, including imaging and … greek mythology facts and informationWebSystematic experimental study on a highly efficient terahertz source based on two-color laser-induced air plasma Jun Xie, Wen-Hui Fan and Xu Chen ... metasurfaces Shay Keren-Zur et al-Highly Efficient Spintronic Terahertz Emitter Enabled by Metal-Dielectric Photonic Crystal Zheng Feng et al-This content was downloaded from IP address 157.55.39 ... flower bed maintenance services near meWeb1 hour ago · To further advance communication systems, increasing both their speed and efficiency, electronics engineers will need to create new and highly performing … greek mythology fanfictionWebSpintronic thin films are considered as one of the promising terahertz (THz) source candidates, owing to their high performance and low cost. Much effort has been made to achieve spintronic THz sources with broadband and high conversion efficiency. greek mythology fanfiction rated mWebJun 12, 2024 · Spintronic terahertz (THz) emitter provides the advantages such as apparently broader spectrum, significantly lower cost, and more flexibility compared with … greek mythology famous storiesWebNov 15, 2024 · Abstract Due to the high performance and low cost, spintronic terahertz emitters (STEs) have been a hot topic in the field of terahertz sources. However, most of … greek mythology family tree ex