Optical sensing and sensor
Optical Sensing to Determine Tomato Plant Spacing for Precise Agrochemical Application: Two Scenarios
... commercial sensor (Microsoft, Redmond, WA, USA), originally designed for indoor video games, was mounted sideways on the research platform during field ...This sensor captured RGB, NIR and depth ...
19
Chemical and biochemical sensing applications of microstructured optical fiber based systems
... taken and a colloid of Au nanoparticles of 100–200 nm was introduced by capillary action (1–3 cm), after drying at 60 ºC for 2 h, rhodamine B solution was introduced, and was also ...fiber sensor ...
24
Modeling and experimental electro-optic response of dielectric lithium niobate waveguides used as electric field sensors
... The optical transfer function is a very important characteristic as it determines the linear and nonlinear operating regions depending on the sensed electric field ...12.9 and 36.5 mm electro-optic ...
8
Distributed fiber sensing technology: Currents and challenges
... pressure and temperature through the optical properties, such as scattering, propagation‐modes coupling, and so ...distributed sensing” can be realized. These sensor systems, which are ...
7
Electric field sensors based on optical retarders in lithium niobate (LiNbO3) integrated optics technology
... the sensor; the optical demodulator is a segment of polarization maintaining optical fiber (PMF); a PIN-based photoreceiver and an oscilloscope for displaying the sensed and detected ...
10
Optical fiber temperature sensor based on a microcavity with polymer overlay
... simplest and easiest to fabricate ...studied and fabricated due to their capability of measuring physical quantities such as refractive index (RI) [8], pressure [9], strain [10], and temperature ...
35
Reaching pε/√Hz sensitivity in a distributed optical fiberstrain sensor
... energy and civil are recognizing the importance of sensing in their increasingly complex structures and materials, as a way to maximize yields, minimize risk and reduce costs in periodic ...
5
Fully distributed optical fiber strain sensor with 10−12ε/√Hz sensitivity
... acoustic sensing (DAS) over long ranges, for applications such as non-destructive evaluation of large structures, early detection of damage or surrounding environmental activity, or detection of intrusions over ...
10
Resolving 1 million sensing points in an optimized differential time‐domain Brillouin sensor
... DPP‐BOTDA sensor, and up to now preventing mid‐to‐long‐range high spatial resolution sensing, have been here mitigated using a novel method for frequency ...(time and frequency wise) while ...
6
Compressive sensing based candidate detector and its applications to spectrum sensing and through-the-wall radar imaging
... L’adquisici´o de dades ´es un tema fonamental en el processament de senyals. Fins ara, el teo- rema de Shannon-Nyquist ha sigut la base dels m`etodes convencionals de conversi´o anal`ogic- digital. El teorema diu que per ...
188
The Calcium Sensing Receptor and Associated Pathologies
... El gene del RCa está en el cromosoma 3q21.1, pero hay heterogeneidad genética (casos de hiper- calcemia hipocalciúrica familiar benigna –HHFB– con loci anormales en 19p13 y 19q13; esta última variante se ha descripto en ...
9
Biosensors and Advanced Optical and Vision Systems
... Chai et al. (2013) utilizaron un biosensor magnetoelásti- co (ME) para la detección de Salmonella typhimurium en la superficie de tomates. Los biosensores ME constan de un transductor (un resonador ME) y un receptor ...
13
A Secure and Anonymous Cooperative Sensing Protocol for Cognitive Radio Networks
... C and U are not equal due to the presence of noise and interfer- ence in the transmission, hardware limitations, manufactur- ing differences, and the fact that both entities do the sam- pling in ...
6
Raman assisted distributed Brillouin sensor in optical fiber for strain and temperature monitoring in civil engineering applications
... Investigation of a method to extend-range distributed temperature and strain sensor based on detection of the Brillouin frequency shift combined with counter-propagating Raman amplification has been ...
6
Quantum communications in optical networks
... process and transmit informa- tion has impulsed the emergence of quantum information technologies such as quantum key ...in optical telecommunica- tion ...infrastructure and sharing it with other ...
135
On R W1 as A Diagnostic to Discover Obscured Active Galactic Nuclei in Wide area X Ray Surveys
... W1 and HR, we test whether the redder sources in each redshift bin tend to have higher HRs than the bluer ...results and those of previous surveys can be largely attributed to the de fi nition of obscured ...
16
Synthesis, microstructural, optical and mechanical properties of yttria stabilized zirconia thin films
... chemical and thermal stability, good mechanical properties, high electrical resistivity and magnetic permittivity, low thermal conductivity, good corrosion resistance, high ionic conductivity, and ...
20
Optical education and the visual system
... * The meaning of vision as a generalization of inmediate experiences. Anything that we see seems immediatly clear and in focus, and at the same time, all the sourrounding objects become blurred. This result ...
9
Rum adulteration detection using an optical fiber sensor based on multimodal interference (MMI)
... beverages and although the mortality associated with acute ethanol intoxication is rare, it can be an important factor when combined with other ...solvent and antifreeze, and the toxicity is due to ...
8
Tomografía óptica espectral no midriática para el diagnóstico precoz del edema macular diabético
... Quantitative assessment of retinal thickness in diabetic patients with and without clinically significant macular edema using optical coherence tomography.. Optical coherence tomography [r] ...
256