Results 61 to 70 of about 2,889 (225)

Enhanced Spin‐Reorientation Transition and Polarization in DyFeO3 Thin Films

open access: yesAdvanced Electronic Materials, EarlyView.
Epitaxial strain in antiferromagnetic orthoferrite thin films enhances known bulk properties into a parameter range that makes them more accessible for potential applications. We show that bulk polar properties move from 4 K towards room temperature and the magnetic field‐induced AFM to FM spin‐flip in the paramagnetic Dy lattice when applying small ...
Banani Biswas   +7 more
wiley   +1 more source

Drug‐coated balloons: From conventional designs to next‐generation innovations in vascular therapy

open access: yesBMEMat, EarlyView.
This review traces the evolution of drug‐coated balloons (DCBs) from conventional designs to next‐generation platforms. We highlight innovations in balloon engineering, coating technologies, and therapeutic agents that enhance localized drug delivery while addressing challenges in efficiency, safety, and biocompatibility for vascular and emerging non ...
Lu Zhang   +5 more
wiley   +1 more source

اثر Photoreactive keratectomy به کمک دو دستگاه Technolas 217z و Lasersight LSX بر اصلاح عیوب انکساری

open access: yesمجله دانشکده پزشکی اصفهان, 2011
Background: To evaluate refractive, visual, topographic, and wavefront outcome of photorefractive keratectomy (PRK) for treatment of myopia and myopic astigmatism with two different excimer laser systems: Technolas 217z and Lasersight LSX excimer lasers.
Hassan Razmju   +5 more
doaj  

Laser printing of certain pixels of graphene nanoribbons

open access: yesКомпьютерная оптика
A possibility of laser printing of graphene nanoribbon pixels while preserving the integrity of the structure and shape on the silicon substrate in accordance with the irradiated laser spot is demonstrated. To provide the transfer, a target consisting of
M.S. Komlenok   +3 more
doaj   +1 more source

Laser pulse shape dependence of poly-Si crystallization

open access: yesAIP Advances, 2017
Poly-Si crystallization mechanism is examined by conducting numerical simulations, combining the thermal diffusion equation with a rigorous coupled wave analysis method.
Oleg N. Prudnikov   +2 more
doaj   +1 more source

Coronary Perforation During Excimer Laser Angioplasty in a Patient With Prior Thoracic Radiotherapy

open access: yesCatheterization and Cardiovascular Interventions, EarlyView.
ABSTRACT Background Management of heavily calcified coronary lesions remains challenging despite advances in plaque‐modifying technologies. Excimer laser coronary angioplasty (ELCA) is an effective adjunctive strategy with a low risk of no‐reflow. Case Summary A 75‐year‐old woman with non–ST‐segment elevation acute coronary syndrome and severe left ...
Francesco Maria Sparasci   +3 more
wiley   +1 more source

Inscription and Thermal Stability of Fiber Bragg Gratings in Hydrogen-Loaded Optical Fibers Using a 266 nm Pulsed Laser

open access: yesPhotonics
Fiber Bragg gratings (FBGs) have gained substantial research interest due to their exceptional sensing capabilities. Traditionally, FBG fabrication has required the use of pre-hydrogenated fibers and high-cost laser systems such as excimer lasers at 193 ...
Xiangxi Zhu   +7 more
doaj   +1 more source

Fluorene‐based blue emitters: On the path to electrically pumped organic lasers

open access: yesFlexMat, EarlyView.
Electrically pumped efficient operation remains unrealized, a major challenge in optoelectronics. Fluorene‐based blue‐emitting semiconductors are promising gain media, thanks to their structural tunability and favorable emission properties. This review summarizes recent advances, highlights their reliability and versatility in lasing, and outlines key ...
Yong Yan   +7 more
wiley   +1 more source

Comparison of Visual Outcome After Hyperopic LASIK Using a Wavefront-Optimized Platform Versus Other Excimer Lasers in the Past Two Decades. [PDF]

open access: yesOphthalmol Ther, 2021
Moshirfar M   +7 more
europepmc   +1 more source

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