Vascular diseases of the brain (functional transient and ischemic apoplexy, circulatory encephalopathy) in 79 patients were treated by UHF electromagnetic field of millimetric wave range. 14 patients entered the control group. The treatment results are indicative of clear-cut trend to a decrease of arterial pressure, normalization of blood glucose level, arrest of DIC syndrome development.
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Hilbert transform analysis of the mouse scotopic electroretinogram reveals two distinct bursts of oscillatory potentials with progressively dimmer flashes.
Doc Ophthalmol
January 2025
Department of Ophthalmology and Visual Sciences, Research Institute of the McGill University Health Centre/Montreal Children's Hospital, 1001 Décarie Boulevard, Glen Site, Block E, Office #EM03238, Montréal, QC, H4A 3J1, Canada.
Purpose: Study the scotopic oscillatory potentials (OPs) in mice over a wide range of flash luminance levels using the Hilbert transform (HT) to extract new features of the high frequency components of the electroretinogram (ERG).
Methods: Scotopic ERGs [Intensity: - 6.3 to 0.
Objective: Aim: To reveal the criteria for effective treatment of this pathology and to compare it with the conventional physical factors.
Patients And Methods: Materials and Methods: The research has been taken on 60 people, A control group (CG), including 30 people, treated with basic therapy and experimental group (EG). including 30 people, treated with the same basic therapy and RSWT once per week for seven consecutive weeks.
High-efficiency three-port beam splitter under normal incidence.
J Opt Soc Am A Opt Image Sci Vis
August 2024
A fused-silica three-port grating under TE-polarized normal incidence is designed and manufactured with improved diffraction efficiency (DE) and bandwidth. A physical explanation of the grating diffraction is provided using the simplified mode method (SMM), and parameters of the grating structure were optimized using rigorous coupled-wave analysis (RCWA). For a given set of optimized parameters, a transmitted three-port grating with an area of 170 ×170 was fabricated by scanning beam interference lithography (SBIL), and diffraction properties were investigated.
View Article and Find Full Text PDFTopology optimization of blazed gratings under conical incidence.
J Opt Soc Am A Opt Image Sci Vis
August 2024
A topology optimization method is presented and applied to a blazed diffraction grating in reflection under conical incidence. This type of grating is meant to disperse the incident light on one particular diffraction order, and this property is fundamental in spectroscopy. Conventionally, a blazed metallic grating is made of a sawtooth profile designed to work with the ±1st diffraction order in reflection.
View Article and Find Full Text PDFExploring the feasibility of millimeter-wave sensors for non-invasive respiratory motion visualization in diagnostic imaging and therapy.
Med Phys
January 2025
Department of Medical Physics, Graduate School of Medical Sciences, Kindai University, Osakasayama, Osaka, Japan.
Background: Management of respiratory motion during radiation therapy is essential for accurate dose delivery and minimizing the risk to organs. In diagnostic imaging, respiratory monitoring is required for confirmation of breath-hold and four-dimensional computed tomography (CT) reconstruction. Although respiratory monitoring systems are widely used in radiation therapy, they are not often used for diagnostic imaging, where they could improve image quality.
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