Results 11 to 20 of about 583,984 (377)
Fiber Bragg grating sensors for monitoring of physical parameters: a comprehensive review
Optical Engineering: The Journal of SPIE, 2020 . Fiber Bragg grating has embraced the area of fiber optics since the early days of its discovery, and most fiber optic sensor systems today make use of fiber Bragg grating technology.
J. K. Sahota, N. Gupta, Divya Dhawan
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A Dual-Band Guided-Laser Absorber Based on Silicon-Nickel Metasurface
Photonics, 2022 Metasurface absorbers are already used in many laser applications. To achieve laser stealth, a dual-band guided-laser absorber is presented in this paper. The absorber is composed of periodic silicon squares on a silicon film and a nickel layer.
Xinye Liao +5 more
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Grating Couplers on Silicon Photonics: Design Principles, Emerging Trends and Practical Issues
Micromachines, 2020 Silicon photonics is an enabling technology that provides integrated photonic devices and systems with low-cost mass manufacturing capability. It has attracted increasing attention in both academia and industry in recent years, not only for its ...
Lirong Cheng +4 more
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D-shaped photonic crystal fiber plasmonic refractive index sensor based on gold grating. [PDF]
Applied Optics, 2017 In this work, we proposed a high-resolution D-shaped photonic crystal fiber (PCF) surface plasmon resonance (SPR) sensor based on gold grating. Gold grating is introduced to modulate the resonance wavelength and enhance the refractive index (RI ...
Junjie Lu +4 more
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Advanced Photonics Research, 2022 The direct laser writing (DLW) using femtosecond lasers allows for the inscription of 3D microstructures embedded inside optical materials. Based solely on the silver ions photochemistry, the DLW in silver‐containing glasses enables to locally induce ...
Théo Guérineau +7 more
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Energies, 2022 The performance of an optical linear encoder is described and evaluated by certain parameters such as its resolution, accuracy and repeatability. The best encoder for a particular application, just like other sensors, is usually selected according these ...
Donatas Gurauskis +6 more
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Inverse Design and Demonstration of Broadband Grating Couplers [PDF]
IEEE Journal of Selected Topics in Quantum Electronics, 2018 We present a gradient-based optimization strategy to design broadband grating couplers. Using this method, we are able to reach, and often surpass, a user-specified target bandwidth during optimization.
N. Sapra +6 more
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Precision grating for measuring microscope lens distortions [PDF]
International Journal of Metrology and Quality Engineering, 2010 Microscopy is used in most technology processes where two-dimensional distributions, that are digital images of the shape and appearance of integrated circuit (IC) features, reveal important information.
Jiang L.
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Recent Progress in X-ray and Neutron Phase Imaging with Gratings
Quantum Beam Science, 2020 Under the JST-ERATO project in progress to develop X-ray and neutron phase-imaging methods together, recent achievements have been selected and reviewed after describing the merit and the principle of the phase imaging method.
Atsushi Momose +6 more
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Fully-automated optimization of grating couplers. [PDF]
Optics Express, 2017 We present a gradient-based algorithm to design general 1D grating couplers without any human input from start to finish, including a choice of initial condition.
L. Su +5 more
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