Results 251 to 260 of about 8,090,991 (304)
Visual Recovery Reflects Cortical MeCP2 Sensitivity in Rett Syndrome
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Objective Rett syndrome (RTT) is a devastating neurodevelopmental disorder with developmental regression affecting motor, sensory, and cognitive functions. Sensory disruptions contribute to the complex behavioral and cognitive difficulties and represent an important target for therapeutic interventions.
Alex Joseph Simon +12 more
wiley +1 more source
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Low-loss semiconductor waveguide bends
Optics Letters, 1988An experimental comparison is made between the losses of waveguide bends in disorder-delineated waveguides in semiconductor superlattices composed of GaAs and AlAs layers for simple abrupt bends and abrupt bends with an additional half-angle guiding wall proposed by Shiina et al. [Opt. Lett. 11, 736 (1986)].
P D, Swanson +6 more
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Low-loss single polarization fibers
Applied Optics, 1983Low-loss single polarization fibers that maintain a state of linear polarization well are proposed. This fiber is composed of four regions: the concentric circular GeO2- and/or P2O5-doped core and pure silica clad regions for constructing the low-loss waveguide, and the B2O3-doped elliptical-jacket and the silica outer support regions for introducing ...
T, Katsuyama, H, Matsumura, T, Suganuma
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Low-loss terahertz ribbon waveguides
Applied Optics, 2005The submillimeter wave or terahertz (THz) band (1 mm-100 microm) is one of the last unexplored frontiers in the electromagnetic spectrum. A major stumbling block hampering instrument deployment in this frequency regime is the lack of a low-loss guiding structure equivalent to the optical fiber that is so prevalent at the visible wavelengths.
Cavour, Yeh +2 more
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Ultra low loss polymer waveguides
OFC 2003 Optical Fiber Communications Conference, 2003., 2003Single-mode perfluoropolymer waveguide structures exhibiting a polarization-independent ultra low loss of
A. Yeniay +4 more
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Journal of Materials Science, 1999
Low-loss dielectrics are important technologically as insulators but there is little understanding of the physical causes of this property and even their spectral response is not well documented—this study has revealed a number of different types of behaviour which do not appear to have been recognised previously. Most low-loss materials show a “flat”,
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Low-loss dielectrics are important technologically as insulators but there is little understanding of the physical causes of this property and even their spectral response is not well documented—this study has revealed a number of different types of behaviour which do not appear to have been recognised previously. Most low-loss materials show a “flat”,
openaire +1 more source
Low-loss Silicon Rib Waveguide Crossing with Low Polarization Dependence Loss
Frontiers in Optics + Laser Science APS/DLS, 2019A low-loss silicon rib waveguide crossing with low polarization dependence loss is proposed. The insertion loss for TE (TM) polarization mode is -0.14 dB (-0.29 dB) and the crosstalk is -28 dB (-30 dB) at 1550 nm. The footprint of this device is around 8×8 μm2.
Sailong Wu +4 more
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Nature Photonics, 2020
Low-loss composite systems based on integrating transition metal dichalcogenide monolayers on silicon nitride waveguides exhibit an unexpectedly strong electro-refractive response at near-infrared wavelengths, which is crucial for optical communications.
Sylvia Xin Li, Michael S. Strano
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Low-loss composite systems based on integrating transition metal dichalcogenide monolayers on silicon nitride waveguides exhibit an unexpectedly strong electro-refractive response at near-infrared wavelengths, which is crucial for optical communications.
Sylvia Xin Li, Michael S. Strano
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Journal of Applied Physics, 1951
Approximate formulas are derived for computing the effect of mechanical resistance on the electrical characteristics of a piezoelectric crystal system for the case of a general reactive termination and low loss. A comparison of values computed on the basis of these formulas and exact calculations is presented.
Fry, Ruth Baumann, Fry, William J.
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Approximate formulas are derived for computing the effect of mechanical resistance on the electrical characteristics of a piezoelectric crystal system for the case of a general reactive termination and low loss. A comparison of values computed on the basis of these formulas and exact calculations is presented.
Fry, Ruth Baumann, Fry, William J.
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Low-Tone Perceptive Hearing Loss
Acta Oto-Laryngologica, 1981In the ENT Department of the Leiden University Hospital low-tone perceptive hearing loss was found in 47 patients with Meniere's disease and 21 patients without Meniere's disease during a period of 5 years. the latter group included 6 patients who developed this hearing loss after stapedectomy and 3 patients in whom the hearing loss was caused by a ...
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