Results 81 to 90 of about 381,977 (388)
Advanced Engineering Materials, EarlyView.Additive manufacturing of magnesium alloys by laser is difficult because the melting point of the oxide layer is much higher than the evaporation temperature of the metal underneath. Making the oxide layer thinner can solve this problem. Alloying magnesium with strontium makes the oxide layer thinner, especially at 0.5 wt%.
Elmar Jonas Breitbach +8 more
wiley +1 more source
Combining Optical Coherence Tomography and Fundus Photography to Improve Glaucoma Screening
Diagnostics, 2022 We aimed to evaluate the accuracy of glaucoma screening using fundus photography combined with optical coherence tomography and determine the agreement between ophthalmologists and ophthalmology residents.
Tomoyuki Watanabe +8 more
doaj +1 more source
Nano-optic endoscope for high-resolution optical coherence tomography in vivo
Nature Photonics, 2018 Acquisition of high-resolution images from within internal organs using endoscopic optical imaging has numerous clinical applications. However, difficulties associated with optical aberrations and the trade-off between transverse resolution and depth of ...
H. Pahlevaninezhad +10 more
semanticscholar +1 more source
Advanced Engineering Materials, EarlyView.Temporal power modulation increases weld depth in high‐power laser beam welding of dissimilar round bars by nearly 20% compared to same average continuously welded welding power. The mechanism of action also applies to sheet welding and depends on the inertia of keyhole depth for the modulated laser beam power.
Jan Grajczak +7 more
wiley +1 more source
Therapeutic Advances in Ophthalmology, 2019 We present a case with giant arteriovenous aneurysmal malformation with different imaging modalities, including fundus photography, fundus fluorescein angiography, spectral domain optical coherence tomography, and optical coherence tomography angiography.
Yasin Sakir Goker +3 more
doaj +1 more source
Optical coherence tomography and scanning laser ophthalmoscopy: Approaches to dual-channel retinal tissue imaging [PDF]
, 2014 We report a Talbot bands-based optical coherence tomography (OCT) system capable of producing longitudinal B-scan OCT images and en-face scanning laser ophthalmoscopy (SLO) images of the human retina in-vivo, with various degrees of ...
Marques, Podoleanu, Potsaid, Wojtkowski
core +1 more source
Advanced Engineering Materials, EarlyView.A hybrid system for de‐icing made of gradient polymer coatings, deposited on aluminum coupled with an electromechanical system, is demonstrated as an effective and durable strategy for reducing drastically ice adhesion. The system is capable of detaching ice blocks over the coating in less than 1 s, regardless of the ice type and covered area ...
Gabriel Hernández Rodríguez +8 more
wiley +1 more source
Optical Coherence Tomography Angiography
Southeastern European Medical Journal, 2019 Optical coherence tomography angiography (OCT-A) is a new non-invasive technology for imaging of retinal and choroidal vasculature of the macular area with resolution comparable to histological sections.
Dunja Bajtl +5 more
doaj +1 more source
Quantitative analysis of optical coherence tomography angiography metrics in diabetic retinopathy
Therapeutic Advances in Ophthalmology, 2020 Purpose: To evaluate the correlation of the visual acuity and diabetic retinopathy stage using optical coherence tomography and optical coherence tomography angiography metrics. Methods: In this prospective study, optical coherence tomography and optical
Hamid Safi +9 more
doaj +1 more source
Optical Coherence Tomography of Cholesteatoma [PDF]
Otology & Neurotology, 2010 To image cholesteatoma using optical coherence tomography (OCT) and correlate the results with clinical findings and conventional observations obtained using binocular microscopy and histology. OCT is a high-resolution optical imaging modality that generates cross-sectional images of turbid media, such as tissue with resolution approaching that of ...
Djalilian, Hamid R +6 more
openaire +5 more sources