Results 41 to 50 of about 17,479 (71)
Temperature measurement of overlapped fiber Bragg grating sensors in a series fiber sensor network
Results in OpticsFiber Bragg Gratings (FBGs) in a sensor network have been widely used for structural health and process monitoring. The number of FBGs with distinct wavelength that can be used in such a sensor network is limited by the bandwidth of the laser used. FBGs,
Sugumar Venkatesan +2 more
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Journal of Spectroscopy, 2018 Silicon nanoparticles (Si-NPs) were prepared by solution-based chemical etching method. Optical characteristics of the as-prepared Si-NPs were investigated in different polar and nonpolar organic solvents. The emission and absorption properties of Si-NPs
Rawabi M. Al Mohaimeed +2 more
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International Journal of Optics, 2020 Based on the importance of spherical harmonics and their applicability in many physical problems, this research aimed to study the diffraction pattern of light by a circular aperture starting from the first Rayleigh–Sommerfeld diffraction equation and to
Mahmoud Ahmad +2 more
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A Novel Coupled Resonator Photonic Crystal Design in Lithium Niobate for Electrooptic Applications
International Journal of Optics, 2015 High-aspect-ratio photonic crystal air-hole fabrication on bulk Lithium Niobate (LN) substrates is extremely difficult due to its inherent resistance to etching, resulting in conical structures and high insertion losses.
Birol Ozturk +2 more
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International Journal of Optics, 2020 There is always a great challenge for the structured light technique that it is difficult to deal with the surface with large reflectivity variations or specular reflection.
Wei Feng +4 more
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Simultaneous Wood Defect and Species Detection with 3D Laser Scanning Scheme
International Journal of Optics, 2016 Wood grading and wood price are mainly connected with the wood defect and wood species. In this paper, a wood defect quantitative detection scheme and a wood species qualitative identification scheme are proposed simultaneously based on 3D laser scanning
Zhao Peng, Li Yue, Ning Xiao
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International Journal of OpticsPhotonic devices are of paramount importance in various fields, particularly in the realm of electronics. Nevertheless, miniaturization and the diffraction limit are the two issues that have plagued the development of photonic devices.
Sajjad Mohanad Mustafa +3 more
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Near-Infrared Spectroscopic Study of Chlorite Minerals
Journal of Spectroscopy, 2018 The mineral chemistry of twenty chlorite samples from the United States Geological Survey (USGS) spectral library and two other regions, having a wide range of Fe and Mg contents and relatively constant Al and Si contents, was studied via infrared (IR ...
Min Yang +5 more
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Study on the Terahertz Spectroscopy Properties of Graphene Quantum Dots Based on Microfluidic Chip
International Journal of OpticsGraphene quantum dots are quasi-zero-dimensional nanomaterials with unique physical and chemical properties. This study utilized a terahertz (THz) time-domain spectroscopy system to analyze the absorption characteristics of THz-waves by graphene quantum ...
Zhuang Peng +7 more
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Applications of ultrafast nano-spectroscopy and nano-imaging with tip-based microscopy
eLightInnovation in microscopy has often been critical in advancing both fundamental science and technological progress. Notably, the evolution of ultrafast near-field optical nano-spectroscopy and nano-imaging has unlocked the ability to image at spatial ...
Zhichen Zhao +9 more
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