Recent Advances on Renewable and Biodegradable Cellulose Nanopaper Substrates for Transparent Light-Harvesting Devices: Interaction with Humid Environment by Alessandra Operamolla

“…Cellulose nanopaper (CNP) has attracted much interest during the last decade as a new fascinating renewable and biodegradable substrate for printed electronics and solar cells. Its outstanding optical and mechanical properties make CNP the ideal substrate for the preparation of photovoltaic devices, since its high transparency and haze favour the absorption of light from the active layer of the solar cell. …”
Get full text

Determination of damage to undeletable and deletable windows of promising penetrators from the impact of high-speed regolith particles during impact penetration into the soil of th... by D. B. Dobriza, E. V. Leun

“…Their use will expand the scientific research program due to visualization capabilities for video recording of the movement of the penetrator in the subsurface layers of soil and their optical methods of studying, as well as direct contact with them. …”
Get full text

Nummular retinal pigment epithelium loss in bilateral diffuse uveal melanocytic proliferation by Neha Goel

“…A 71-year-old male with pancreatic cancer exhibited multiple hypopigmented patches on fundus examination, with corresponding transmission defects on fluorescein angiography and outer retinal and RPE loss on optical coherence tomography, confirming RPE loss as the predominant feature. …”
Get full text

Online Detection of Abnormal Events in Video Streams by Tian Wang, Jie Chen, Hichem Snoussi

“…We introduce the covariance matrix of the optical flow and image intensity as a descriptor encoding moving information. …”
Get full text

The synthesis of amino-functionalized carbon quantum dots-decorated hydroxyapatite as drug delivery agent by Hui, Khee Chung, Dhanapalan, Nagaammai, Khayrani, Apriliana Cahya, Imanto, Teguh, Sambudi, Nonni Soraya

“…Hydroxyapatite (HAp) was combined with amino-functionalized carbon quantum dots (CQDs) to enhance the optical and surface area properties of HAp. The loading of amino-functionalized CQDs could enhance the luminescence of HAp and its UV–Vis absorbance. …”
Get full text

Master Robotic Net by Vladimir Lipunov, Victor Kornilov, Evgeny Gorbovskoy, Nikolaj Shatskij, Dmitry Kuvshinov, Nataly Tyurina, Alexander Belinski, Alexander Krylov, Pavel Balanutsa, Vadim Chazov, Artem Kuznetsov, Petr Kortunov, Anatoly Sankovich, Andrey Tlatov, A. Parkhomenko, Vadim Krushinsky, Ivan Zalozhnyh, A. Popov, Taisia Kopytova, Kirill Ivanov, Sergey Yazev, Vladimir Yurkov

“…All MASTER telescopes can be guided by alerts, and we plan to observe prompt optical emission from gamma-ray bursts synchronously in several filters and in several polarization planes.…”
Get full text

Dual-Wavelength Polarization Multifunction Metalens Based on Spatial Multiplexing by Xiangshuo Shang, Haiyang Huang, Yi Zhou, Jiaheng Gong, Yang Liu, Wei Li

“…Metalenses, known for their precision in wavefront shaping and functional versatility, represent a breakthrough in optical modulation. This study addresses the challenge of achieving dual-wavelength multifunctionality in metalens design. …”
Get full text

A Coherence Preservation Control Strategy in Cavity QED Based on Classical Quantum Feedback by Ming Li, Wei Chen, Junli Gao

“…For eliminating the unexpected decoherence effect in cavity quantum electrodynamics (cavity QED), the transfer function of Rabi oscillation is derived theoretically using optical Bloch equations. In particular, the decoherence in cavity QED from the atomic spontaneous emission is especially considered. …”
Get full text

Development of a Liquid Scintillator Using Water for a Next Generation Neutrino Experiment by Sun Heang So, Kyung Kwang Joo, Ba Ro Kim, Bong Keon Kim, Seung Chan Kim, Chang Dong Shin, In Sung Yeo

“…The surfactant keeps water and organic solvents apart in solution. Good physical and optical parameters and long-term stability are required to use liquid scintillator based on water in massive detector for the next generation neutrino experiments. …”
Get full text

A High-Peak-Power Mechanically Q-Switched Tb:LiYF₄ Laser in the Green Spectral Region by Linpeng Yu, Haotian Yang, Hiyori Uehara, Ryo Yasuhara

“…We report on a mechanically Q-switched Tb:LiYF₄ laser at 544 nm based on an optical chopper. With appropriate chopper settings, 521 μJ, 86 ns green pulses are generated at 1 kHz, corresponding to a peak power of 6.1 kW. …”
Get full text

Abnormal Event Detection via Multikernel Learning for Distributed Camera Networks by Tian Wang, Jie Chen, Paul Honeine, Hichem Snoussi

“…The visual event is summarized and represented by the histogram of the optical flow orientation descriptor, and then a multikernel strategy that takes the multiview scenes into account is proposed to improve the detection accuracy. …”
Get full text

On Topological Analysis of Entropy Measures for Silicon Carbides Networks by Xing-Long Wang, Muhammad Kamran Siddiqui, Syed Ajaz K. Kirmani, Shazia Manzoor, Sarfraz Ahmad, Mlamuli Dhlamini

“…The silicon material has provoked and stimulated significant research concern to a considerable extent taking into account its marvelous mechanical, optical, and electronic properties. Naturally, silicons are semiconductors and are utilized in the formation of various materials. …”
Get full text

1380 nm VCSELs using surface-activated bonding of GaAs-based DBRs on a Ge substrate by Tomomasa Watanabe, Mikihiro Yokozeki, Masashi Takanohashi, Michinori Shiomi, Hiroshi Nakajima, Masayuki Tanaka, Daiji Kasahara, Noriko Kobayashi, Noriyuki Futagawa

“…Current injection lasing was achieved at the 1380 nm band under continuous-wave operation with AlGaInAs-based multi-quantum wells and a buried tunnel junction for current and optical confinement. The thermal conductivity of the VCSELs bonded by SAB was superior to that of InP VCSELs owing to high heat dissipation of GaAs DBR. …”
Get full text

Resonance Raman Scattering in TlGaSe2 Crystals by N. N. Syrbu, A. V. Tiron, V. V. Zalamai, N. P. Bejan

“…The lines in resonance Raman spectra were identified as a combination of optical phonons in Brillouin zone center.…”
Get full text

Nontraumatic Epithelial Ingrowth 15 Years Post Laser In Situ Keratomileusis by Joanna S. Saade, Baha’ Noureddin, Shady T. Awwad

“…An epithelial cells’ tract was visible on Optical Coherence Tomography. Conservative treatment lead to the stabilization of the epithelial nests. …”
Get full text

Large Scale Synthesis of Carbon Nanotubes by S. Karthikeyan, P. Mahalingam, M. Karthik

“…The most eye catching features of this structure are their electronic, mechanical, optical and chemical characteristics, which opens a way to future applications. …”
Get full text

Conjunctival Lymphangiectasia: “String of pearls” appearance by Rajwinder Kaur, Supreet Rai, Harleen Kaur, Navdeep Kaur

“…On examination, he had evidence of cystic channels with clear fluid (lymph) in both eyes. Anterior segment optical coherence tomography confirmed interconnecting fluid-filled cysts in both eyes.…”
Get full text

The Au decoration effect on performance enhancement of photodetector in MoS2 nanosheets by Anahita Taherkhani, Ramin Mohammadkhani

“…To study the as-prepared structures, X-ray diffraction, Raman, and UV–Visible spectroscopy are applied to analyze the structural and optical properties. The photodetectors' responsivity (R), detectivity (D), external quantum efficiency (EQE) and stability are then tested using different laser power for incident light at wavelengths of 405 and 635 nm. …”
Get full text

Paper-Based Sensors: Fantasy or Reality? by Ghenadii Korotcenkov

“…It is shown that paper has properties that make it possible to develop a wide variety of paper-based sensors, such as SERS, colorimetric, fluorescent, conductometric, capacitive, fiber-optic, electrochemical, microfluidic, shape-deformation, microwave, and various physical sensors. …”
Get full text

The sharpness of the images in metallography by A. G. Anisovich

“…The use of the concept of depth of field to obtain images of the structure of various objects – fractures, microsection polished specimen, optically transparent materials is illustrated. The errors of focusing on the sharpness for metal specimens are considered; it is shown that in the case of inclined arrangement of the specimen, the zone of sharp image is a strip with parallel boundaries formed by a fuzzy visible structure. …”
Get full text