We demonstrate a cellphone-based rapid-diagnostic-test (RDT) reader platform that can work with various lateral flow immuno-chromatographic assays and similar tests to sense the presence of target analyte in sample. This compact cost-effective digital RDT reader, weighing only ∼65 g, mechanically attaches existing camera unit cellphone, where types RDTs be inserted imaged reflection or transmission modes under light-emitting diode (LED)-based illumination. Captured raw images these are then...

We demonstrate a cellphone based contact microscopy platform, termed Contact Scope, which can image highly dense or connected samples in transmission mode. Weighing approximately 76 grams, this portable and compact microscope is installed on the existing camera unit of using an opto-mechanical add-on, where planar interest are placed with top facet tapered fiber-optic array. This glass-based fiber array has ∼9 fold higher density optic cables its compared to bottom one illuminated by...

In determination of electric energy price, most price information coming from bilateral contracts is effective, but the importance spot market (pool market) cannot be ignored. Forecasting very crucial, especially for companies actively participating in and giving purchase sale bids. An artificial neural network a way frequently used forecasting research. this study, simulation studies about modeling via networks proper configurations are examined. After selection different topologies...

In this paper, an analysis of the use wavelength and time division multiplexing techniques for quasi-distributed measurement in uniform fiber Bragg gratings is presented.To date, publications have concentrated on determination maximum number one optical using multiplexing.In these will be extended to determine spectral width terms light emitting diode, gratings, ranges individual sensors, guard band between two adjacent gratings.For multiplexing, a description power conditions are given.In...

A new approach for designing multiband rejection filters is proposed based on the optimization of a periodically phase-shifted long period fiber grating (LPG). The validity method demonstrated by performing simulations typical cases. It shown that using synthesis method, spectral position, and bandwidth each reflection band can be controlled varying length phase shifting period. In addition, desired number bands within transmission spectrum generated LPG with an optimized series....

A simple Mach-Zehnder Interferometer (MZI) based on a standard single-mode fiber for simultaneous strain and temperature sensing was proposed demonstrated experimentally.The interferometer fabricated by electrical arc discharge method in which part of the heated stretched.Any special type or particular splicer not required to form MZI it indicated high resolution.To find modes that contributed interference spectrum, Fourier analysis done spatial frequency versus normalized intensity plot...

Rapid diagnostics tests (e.g., immuno-chromatographic assays and other lateral-flow tests) offer significant advantages over conventional approaches (i.e., clinical examination advanced medical for the surveillance of infectious diseases especially in remote parts world. In order to provide an integrated platform automated digital reading real-time mapping rapid (RDTs), we developed a universal RDT reader running on cell-phone that can automatically digitize evaluate various test results. A...

In this paper, we propose a new fiber bending sensor based on speckle pattern imaging. The design and implementation of the are demonstrated by simulated studies. imaging technique using multimode can offer high spatial resolution. study, showed that responds very sensitively correlation images. sensing part consists curve in form similar to S structure. We reached sensitivity 0.0295 μm-1 only 60°. Sensitivity be further increased reducing diameter or creating full loop.

In this study, a low-cost and compact refractive index (RI) sensor based on speckle pattern imaging has been proposed demonstrated numerically experimentally. We have proven that images recorded with CCD camera placed at the end of tapered optical fiber (TOF) are highly sensitive to RI medium be measured. The effects waist diameter length region, which is sensing part fiber, sensitivity were investigated using beam propagation method (BPM). It seen numerical results compatible experimental...

The refractive index sensors based on tapered optical fiber are attractive for many industries due to sensing capability in a variety of application. In this paper, we proposed sensor multicore (MCF) sandwiched between two standard single mode fibers (SMF). consisting three sections, SMF- MCF-SMF is structurally simple and can be easily produced by joining these parts. MFC contains seven cores surrounded cladding. region obtained tapering the MCF section where evanescent field generated....

Atmospheric refractivity index is one of the most important variable that effects propagation direction radio waves. This means a radar or communication system can show unexpected behaviour and performance depending on this variable. Estimation characteristics atmosphere possible by using clutter data. method called from (RFC). RFC nonlinear inversion problem. In work, Artificial Neural Networks are studied to solve problem for estimation. A training data set had be prepared represent ducts...

In this paper, two synthesis methods are proposed for designing multi-channel sampled gratings with phase-shifts. The first method uses non-equally separated π-phase shifts and the second variable but equally phase in sampling period of fiber grating. both methods, Fourier transform derived from is related reflection spectrum Bragg It demonstrated that a desired number channels can be easily synthesised using general optimization method. Besides, comparison given between these according to...

In this study, the mathematical models of Smeared and Chopping/Interleaving Spectrum techniques, which are recent electronic attack techniques against pulse compression radars, presented. Then, matched filter outputs compared by means a simulator. Moreover, effect weighting in radar receiver is also analyzed.

A novel fiber optical sensor based on in-line Mach-Zehnder interferometer for simultaneous measurement of strain and temperature is proposed demonstrated experimentally. The simple, extremely robust highly sensitive consists two concatenated parts; one a down-tapered (DTF) the other an up-tapered (UTF). UTF DTF sections are fabricated by using commercial splicer non-commercial setup heating stretching portion standard single-mode fiber, respectively. While section behaves as beam splitter to...

It is possible to see different ducting statistics in the seas and oceans around World. The performance of air traffic sea surface surveillance radars, which established on shores, are affected especially from over huge water masses. Two important parameters determine variability radar depending ducting. They altitude frequency radar. In this work, effects analysed.