Results 31 to 40 of about 578,588 (318)

Measuring Quantum Optical Hamiltonians [PDF]

open access: yesPhysical Review Letters, 1998
We show how recent state-reconstruction techniques can be used to determine the Hamiltonian of an optical device that evolves the quantum state of radiation. A simple experimental setup is proposed for measuring the Liouvillian of phase-insensitive devices.
D'Ariano, G. M., Maccone, L.
openaire   +2 more sources

Polymer multimode waveguide optical and electronic PCB manufacturing [PDF]

open access: yes, 2009
The paper describes the research in the £1.3 million IeMRC Integrated Optical and Electronic Interconnect PCB Manufacturing (OPCB) Flagship Project in which 8 companies and 3 universities carry out collaborative research and which was formed and is ...
Selviah, D.R., David R. Selviah
core   +1 more source

Line of Sight and Image Motion Compensation for Step and Stare Imaging System

open access: yesApplied Sciences, 2020
In recent years, applications such as marine search and rescue, border patrol, etc. require electro-optical equipment to have both high resolution and precise geographic positioning abilities.
Jihong Xiu   +4 more
doaj   +1 more source

Track‐to‐track association algorithm for passive multisensor system based on trajectory parameter

open access: yesIET Radar, Sonar & Navigation, 2021
Asynchronous sampling and the ghost point are significant issues in the track‐to‐track association (TTTA) for passive multisensor system. A TTTA algorithm is proposed based on a trajectory parameter to address these issues.
Mingyang Ma   +3 more
doaj   +1 more source

On-Chip Integrated Label-Free Optical Biosensing [PDF]

open access: yes, 2013
This thesis investigates the design and implementation of a label-free optical biosensing system utilizing a robust on-chip integrated platform. The goal has been to transition optical micro-resonator based label-free biosensing from a laborious and ...
Sendowski, Jacob Benjamin
core   +1 more source

Precise Optical Modulation and Its Application to Optoelectronic Device Measurement [PDF]

open access: yes, 2021
Optoelectronic devices which play important roles in high-speed optical fiber networks can offer effective measurement methods for optoelectronic devices including optical modulators and photodetectors.
Tetsuya Kawanishi
core   +1 more source

Atmospheric Turbulence Suppression Algorithm Based on APD Adaptive Gain Control for FSO Links of 5G Floating Base Stations

open access: yesIEEE Photonics Journal, 2020
The data transmission between 5G floating base stations will be an important application area of the free space optical (FSO) link, but the problem of atmospheric disturbance will directly affect the application effect.
Xiaonan Yu   +10 more
doaj   +1 more source

ASMADO‐based refined anti‐disturbance low‐speed control of PMSM

open access: yesIET Power Electronics, 2023
Permanent magnet synchronous motors (PMSMs) have expectant low‐speed servo performance. However, complex nonlinear disturbances restrict the performance and lead to speed fluctuations, especially for small inertia PMSMs where the current‐loop cannot be ...
Huifan Wang   +3 more
doaj   +1 more source

Optical measurements of pH in meat [PDF]

open access: yesMeat Science, 1999
The pH changes occurring in a carcass during the first 24 h after slaughter are important for the quality of the final meat or meat products. Protein denaturation will occur if pH falls to too low a level or if a relatively low pH sets in at a time after slaughter where the carcass temperature is still high.
Andersen, Jan Rud   +3 more
openaire   +2 more sources

Processing ultrafast optical signals in broadband telecom systems by means of cascaded quadratic nonlinearities [PDF]

open access: yes, 2006
Quadratic optical nonlinearities offer several attractive features for the implementation of ultra-fast, low-noise and transparent telecom devices.
David Richardson   +13 more
core   +1 more source

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