Results 11 to 20 of about 3,058,814 (268)

NUMERICAL SIMULATION FOR HIGH- SPEED ALL- OPTICAL BOOLEAN GATES [PDF]

Engineering and Technology Journal, 2008
In this paper few high speed (i.e. as high as 80 GB/s) all-optical logic gates has been studied.These logic gates include a ( 80Gb/s XOR ) gate using semiconductor optical amplifier (SOA)based Mach-Zehnder interferometer incorporated with a delayed ...
Inmar N. Ghazi
doaj   +1 more source

Reaction-Time-Dependent Opto-Electrical Properties of Graphene Oxide

Crystals, 2022
The reaction-time-dependent synthesis of graphene oxide (GO) was carried out using a modified Hummer’s method. The drop-casting method was used to coat GO films on a glass substrate.
Muhammad Kashif, Norah Salem Alsaiari, Erdawaty Jaafar, Foo Wah Low, Cheen Sean Oon, Siti Kudnei Sahari, Nayef S. Almuaikel   +6 more
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Vision rehabilitation in elderly patients aged 80 years or over: Epidemiological profile and prescription of optical, nonoptical, and electronic devices

The Pan-American Journal of Ophthalmology, 2021
Purpose: The purpose of this study is to investigate the epidemiological profile and prescription of optical, nonoptical, and electronic devices in the elderly aged 80 years or older, in a low-vision rehabilitation center in Belo Horizonte, Brazil ...
Nadine Fernandes da Silva, Luciene Chaves Fernandes, Fabio Nishimura Kanadani   +2 more
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Optical and Morphological Properties of Silver Nanoparticles Synthesis by Laser Induced Forward Transfer Technique

Al-Mustansiriyah Journal of Science, 2021
Various methods could be employed to synthesize nanomaterials. In this work laser induced forward technology was used to synthesize silver nanoparticles. Silver nanomaterials were tested using different measuring instruments such as UV–vis diffuse (DRS),
Noor Fakher Khdr, Baida M. Ahmed, Bassam G. Rasheed   +2 more
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Effective Diagnosis of Foot-And-Mouth Disease Virus (FMDV) Serotypes O and A Based on Optical and Electrochemical Dual-Modal Detection

Biomolecules, 2021
Foot-and-mouth disease virus (FMDV) is a highly contagious disease that affects cloven-hoofed animals. The traditional diagnostic methods for FMDV have several drawbacks such as cross-reactivity, low sensitivity, and low selectivity.
Yun-Jung Hwang, Kyung-Kwan Lee, Jong-Won Kim, Kwang-Hyo Chung, Sang-Jick Kim, Wan-Soo Yun, Chang-Soo Lee   +6 more
doaj   +1 more source

Molecularly Imprinted Polymer-Based Biomimetic Systems for Sensing Environmental Contaminants, Biomarkers, and Bioimaging Applications

Biomimetics, 2023
Molecularly imprinted polymers (MIPs), a biomimetic artificial receptor system inspired by the human body’s antibody-antigen reactions, have gained significant attraction in the area of sensor development applications, especially in the areas of medical,
Kalaipriya Ramajayam, Selvaganapathy Ganesan, Purnimajayasree Ramesh, Maya Beena, Thangavelu Kokulnathan, Arunkumar Palaniappan   +5 more
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Dependence of the Registered Blood Flow in Incoherent Optical Fluctuation Flowmetry on the Mean Photon Path Length in a Tissue

Photonics, 2023
Laser-based medical techniques for evaluating blood flow (BF), such as laser Doppler flowmetry, laser speckle contrast imaging, etc., are known, but expensive and have some disadvantages.
Denis G. Lapitan, Andrey P. Tarasov, Dmitry A. Rogatkin   +2 more
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COVID-19 guidelines for optometry and optical services post-lockdown

Indian Journal of Ophthalmology, 2020
The COVID-19 pandemic has caused disruption in everyone's lives globally. Optometrists, being primary health care professionals are at a higher risk of infection in their practices during these testing times.
Snehal Turakhia, Yeshwant Saoji, Aditya Goyal, Prema Chande, Jameel Rizwana Hussaindeen, Nagaraju Konda, Nilesh Thite, Deepak K Bagga, Jayanta Bhattacharjee, Rajeev Prasad, Sanjay Mishra, Lakshmi Shinde   +11 more
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Cloud Removal Based on SAR-Optical Remote Sensing Data Fusion via a Two-Flow Network

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2022
Optical remote sensing imagery plays an important role in observing the Earth's surface today. However, it is not easy to obtain complete multitemporal optical remote sensing images because of the cloud cover, how reconstructing cloud-free optical
Ruihan Mao, Hua Li, Gaofeng Ren, Zhangcai Yin   +3 more
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Using a GPS-Aided Inertial System for Coarse-Pointing of Free-Space Optical Communication Terminals [PDF]

, 2006
In the Capanina project, it has been shown that it is possible to use solely GPS positions for coarse-pointing of a stratospheric free-space optical communication terminal.
Bernhard Epple, Epple, Bernhard
core   +1 more source