Results 11 to 20 of about 215,527 (326)
Ultrafast THz probing of nonlocal orbital current in transverse multilayer metallic heterostructures
Nature Communications, 2023 THz generation from femtosecond photoexcited spintronic heterostructures has become a versatile tool for investigating ultrafast spin-transport and transient charge-current in a non-contact and non-invasive manner.
Sandeep Kumar, Sunil Kumar
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Optical damage limit of efficient spintronic THz emitters
iScience, 2021 Summary: THz pulses are generated from femtosecond pulse-excited ferromagnetic/nonmagnetic spintronic heterostructures via inverse spin Hall effect. The highest possible THz signal strength from spintronic THz emitters is limited by the optical damage ...
Sandeep Kumar +7 more
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Estimations of Low-Inertia Cubic Nonlinearity Featured by Electro-Optical Crystals in the THz Range
Photonics, 2020 Despite the growing interest in nonlinear devices and components for light by light control in the terahertz range, there is a shortage of such materials and media used for these purposes.
Maria Zhukova +4 more
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Femtosecond electrons probing currents and atomic structure in nanomaterials [PDF]
, 2014 The investigation of ultrafast electronic and structural dynamics in low-dimensional systems like nanowires and two-dimensional materials requires femtosecond probes providing high spatial resolution and strong interaction with small volume samples.
Ernstorfer, Ralph +2 more
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Indian Journal of Ophthalmology, 2023 Purpose: To compare visual outcomes of early enhancement following small incision lenticule extraction (SMILE) versus laser in situ keratomileusis (LASIK). Methods: Retrospective analysis of eyes (patients operated in the setting of a tertiary eye care
B Soundarya +4 more
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Journal of Cataract and Refractive Surgery, 2011 To evaluate a femtosecond laser system to create the capsulotomy.Porcine and cadaver eye studies were performed at OptiMedica Corp., Santa Clara, California, USA; the human trial was performed at the Centro Laser, Santo Domingo, Dominican Republic.Experimental and clinical study.Capsulotomies performed by an optical coherence tomography-guided ...
Neil J, Friedman +10 more
openaire +5 more sources
Indian Journal of Ophthalmology, 2023 Purpose: To determine the safety and efficacy of low-energy settings in small incision lenticule extraction (SMILE) for correcting myopia and myopic astigmatism.
N V Arulmozhi Varman +2 more
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Nanoscale Research Letters, 2019 Time-resolved terahertz spectroscopy has become a common method both for fundamental and applied studies focused on improving the quality of human life. However, the issue of finding materials applicable in these systems is still relevant.
Maria O. Zhukova +9 more
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Evaluation of a new nomogram for Ferrara ring segment implantation in keratoconus [PDF]
International Journal of Ophthalmology, 2021 AIM: To evaluate the short-term clinical outcomes of Ferrara rings in keratoconus using an optimized nomogram developed after several years of research and retrospective analysis of clinical data.
Joaquín Fernández +5 more
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High average power, widely tunable femtosecond laser source from red to mid-infrared based on an Yb-fiber-laser-pumped optical parametric oscillator [PDF]
, 2013 We report on the highly efficient generation of widely tunable femtosecond pulses based on intracavity second harmonic generation (SHG) and sum frequency generation (SFG) in a MgO-doped periodically poled LiNbO3 optical parametric oscillator (OPO), which
Fan, Jintao +6 more
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