نتایج جستجو برای: non linear optic
تعداد نتایج: 1742149 فیلتر نتایج به سال:
The optic ow eld is deened as preserving the intensity along ow-lines. Due to singularities in the image at xed time, poles are created in the optic ow eld. In this paper we describe the generic types of ow singularities and their generic interaction over time. In a general analytic ow eld, normally the topology is characterised by the points where the ow vanish again subdivided into repellers,...
Optical monitoring at end-terminals is considered a cost efficient technique. Utilizing coherent detection allows separating linear and non-linear effects. Channel identification in CO-OFDM receivers is proposed as candidate to achieve this objective. © 2007 Optical Society of America OCIS code(s): (060.2330) Fiber optic communication; (060.4080) Modulation
Having precise hysterics loop of thin ferroelectric and ferromagnetic layers for optical switching and optical storages are important. A hysterieses loop can be achieved from a phenomenon call the magneto-optic effect. The magneto-optic effect is the rotation of a linear polarized electromagnetic wave propagated through a ferromagnetic medium. When light is transmitted through a layer of magnet...
In this paper a new non-linear multivariable regression method is presented to investigate the existence of correlation between the central corneal thickness (CCT) and the optic nerve head (ONH) topographic measurements in patients with glaucoma. Specifically, the model is supplied with Heidelberg Retina Tomograph II data including optic nerve head topographic parameters (i.e. disc area, etc) a...
abstract type-ii fuzzy logic has shown its superiority over traditional fuzzy logic when dealing with uncertainty. type-ii fuzzy logic controllers are however newer and more promising approaches that have been recently applied to various fields due to their significant contribution especially when the noise (as an important instance of uncertainty) emerges. during the design of type- i fuz...
Wolfram Syndrome is a neurodegenerative autosomal recessive disorder. The occurrence of the disease should be suspected if non-autoimmune insulin-dependent diabetes occurs in an under-sixteen year old person having bilateral optic nerve atrophy. Diabetes insipidus (DI), neurosensory deafness, urinary track disorders, and nervous system complications are also seen in this disorder. The current ...
Visuomotor circuits filter visual information and determine whether or not to engage downstream motor modules to produce behavioral outputs. However, the circuit mechanisms that mediate and link perception of salient stimuli to execution of an adaptive response are poorly understood. We combined a virtual hunting assay for tethered larval zebrafish with two-photon functional calcium imaging to ...
Fiber optic sensor technology has been under development for the past 40 years and has resulted in the production of various devices, including fiber optic gyroscopes; sensors of temperature, pressure, and vibration; and chemical probes. Fiber optic sensors offer a number of advantages, such as increased sensitivity compared to existing techniques and geometric versatility, which permits config...
2.4. 2.5. 2.6. Pulse shaping by linear filtering Picosecond pulse shaping Fourier synthesis of femtosecond optical waveforms 2.3.1. Fixed masks fabricated using microlithography 2.3.2. Spatial light modulators (SLMs) for programmable pulse shaping 2.3.2.1. Pulse shaping using liquid crystal modulator arrays 2.3.2.2. Pulse shaping using acousto-optic deflectors 2.3.3. Movable and deformable mirr...
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