Estimation of nonlinear dependence of fiber Bragg grating readings on temperature and strain using experimental data by I. Shardakov, A. Shestakov, I. Glot, V. Epin, G. Gusev, R. Tsvetkov

“…The readings of the Bragg grating are determined based on the optical radiation reflected from it. …”
Get full text

Dual subwavelength-grating topology for building polarization beam splitters by Chia-Chih Huang

“…Here, we propose a compact and easy-to-fabricate PBS based on a dual subwavelength-grating (DSWG) structure positioned between two Si waveguides on a silicon-on-insulator platform. …”
Get full text

PGMweb: an online tool for visualizing the X-ray beam path through plane grating monochromators by Patrick Yuheng Wang, Murilo Bazan da Silva, Matthew Hand, Hongchang Wang, Peter Chang, Victoria Beilsten-Edmands, Timur K. Kim, Tien-Lin Lee, Kawal Sawhney, Andrew C. Walters

“…We present here a newly developed software tool (called PGMweb) for computing and simulating the X-ray beam path through a plane grating monochromator (PGM), a key component in soft X-ray beamlines at modern synchrotron and free-electron laser facilities. …”
Get full text

A Review of Refractometric Sensors Based on Long Period Fibre Gratings by G. Rego

“…In the last decade refractometric sensors have attracted an increasing interest by the scientific community due to their ability to perform ambient monitoring, to assess food quality and safety, and also to the fact that they enable the development of label free sensors in the biomedical area. …”
Get full text

Self-supervised denoising of grating-based phase-contrast computed tomography by Sami Wirtensohn, Clemens Schmid, Daniel Berthe, Dominik John, Lisa Heck, Kirsten Taphorn, Silja Flenner, Julia Herzen

“…Abstract In the last decade, grating-based phase-contrast computed tomography (gbPC-CT) has received growing interest. …”
Get full text

Azobenzene-Based Gel Coated Fibre Bragg Grating Sensor for Moisture Measurement by Mohammed Moniruzzaman, John Rock

“…Absorption and desorption of moisture lead to swelling/shrinkage of an azobenzene-based gel, which induces a strain in the Bragg grating resulting in wavelength shifts. …”
Get full text

Laboratory Investigation of Fiber Bragg Grating Strain Sensors for Semirigid Base Asphalt Pavements by Jiancun Fu, Aiqin Shen, Huaizhi Zhang, Tuanwei Sun

“…Four-point bending tests and uniaxial-compression tests were carried out under different loading frequencies and temperatures to evaluate the working properties of these sensors and then obtain the corresponding real sensitivity coefficients (SCs). …”
Get full text

Anchor test and long-term monitoring of grouted anchors instrumented with Fiber Bragg Grating sensing technology by Daniela Runcziková, Jan Záleský, Marek Záleský, Jakub Koller, Ladislav Šašek

“…The use of optic fiber sensing technology, especially Fiber Bragg Gratings, brings many advantages of optic fiber sensors, such as high measurement accuracy, real-time continual monitoring of deformation, on-line access to data and resistance against electromagnetic interferences. …”
Get full text

Estimation of the nonlinear dependence of the indications of a fiber Bragg grating on temperature and strain from experimental data by Aleksey Shestakov, Igor Shardakov, Irina Glot, Valery Yepin, Georgiy Gusev, Roman Tsvetkov

“… The readings of the Bragg grating are determined based on the optical radiation reflected from it. …”
Get full text

Charging Ahead: The Evolution and Reliability of Nickel‐Zinc Battery Solutions by Idris Temitope Bello, Hassan Raza, Alabi Tobi Michael, Madithedu Muneeswara, Neha Tewari, Wang Bingsen, Yin Nee Cheung, Zungsun Choi, Steven T. Boles

“…Opportunities for the integration of advanced sensing, such as fiber Bragg grating (FBG) sensors for real‐time monitoring and anomaly detection, along with machine learning (ML) and prognostics and health management of Ni‐Zn batteries are highlighted, as these open the door to future research directions. …”
Get full text

On obtaining the coupled-mode theory using a model of coupled plane waves for symmetric resonant diffraction gratings by D.A. Bykov, E.A. Bezus, L.L. Doskolovich

“…Interaction of these modes leads to the appearance of bound states in the continuum, which are also described by the proposed models.…”
Get full text

The Simulation of a Surface Plasmon Resonance Metallic Grating for Maximizing THz Sensitivity in Refractive Index Sensor Application by Asmar Sathukarn, Chia Jia yi, Sakoolkan Boonruang, Mati Horprathum, Khwanchai Tantiwanichapan, Kiattiwut Prasertsuk, Chayut Thanapirom, Woraprach Kusolthossakul, Kittipong Kasamsook

“…Nowadays, the simplicity of both designing and fabrication process of a terahertz (THz) resonator-based sensing technique leads to its ongoing development. The consumable THz resonator needs to be easily integrated into an existing terahertz time domain spectroscopy (THz TDS) measurement system. …”
Get full text

Application of Aperiodic “Einstein” Monotile in Phased Arrays With Limited Beam Scanning Range by Yunfei Qiang, Xiaochuan Fang, Rui-Xin Wu, Qian Chen, Wei Wang

Subjects: Get full text

Features of a Gaussian beam near-field diffraction upon variations in the relief height of subwavelength silicon optical elements by D.A. Savelyev

Subjects: “…gaussian beams…”
Get full text

Surgical treatment of the concomitant pathology in corrected transposition of great arteries by O.Ye. Repin, L.S. Maniuc, V.I. Corcea, E.K. Cheptanaru, O.Ye. Maliga, E.I. Virlan, I.V. Cucu

Get full text

Research on the Earth Reflected Solar Spectral Radiation Observation System Based on the Lagrange L1 Point of the Earth–Moon System by Cong Zhao, Kai Wang, Shuqi Li, Xin Ye, Xiaolong Yi, Ye Jiang, Wei Fang

Get full text

Towards last-mile connectivity in 6G-IoT: An integrated MIMO-FSO communication system and FBG sensors under atmospheric attenuations, strain and temperature effects by R. Arunachalam, Rupali Singh, M. Vinoth Kumar

“…In light of developing a 6G IoT network in an open environment, this paper analyses the impact of temperature and strain on FSO communication links using Fiber Bragg Grating (FBG) sensors. FSO systems are sensitive to temperature variations, and the position of the receiving telescope can be altered by mechanical strain that can affect the refractive index of the atmosphere, leading to signal attenuation and pointing errors. …”
Get full text

GROS INGRATITUDE AS A REASON OF REVOKING GIFTS by Alen Lalić, Ivan Rančić

“…It is moral that the donee is grateful for the gift made, and that he does not take actions towards the donor that would lead to a significant disruption of mutual relations. …”
Get full text

Coherent beam combining of two all-PM thulium-doped fiber chirped pulse amplifiers by Bo Ren, Hongxiang Chang, Can Li, Tao Wang, Kaikai Jin, Jiayi Zhang, Kun Guo, Rongtao Su, Jinyong Leng, Pu Zhou

“…Through phase-locking the two channels via a fiber stretcher by using the stochastic parallel gradient descent (SPGD) algorithm, a maximum average power of 265 W is obtained, with a CBC efficiency of 81% and a residual phase error of λ/17. After de-chirping by a pair of diffraction gratings, the duration of the combined laser pulse is compressed to 690 fs. …”
Get full text