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  • Exploring the coupling mode of irrigation method and ...

    Thus, MMF M (micro-moistening irrigation with moderate fertilization rate of 18.6 g plant −1) significantly promoted growth and improved water-fertilizer use efficiency of young mango tree, which was the best coupling mode of irrigation method and fertilization rate.

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  • Phys. Rev. A 78, 053825 (2008) - Single-mode

    2020-8-28 · Figure 6 is the best we can get in DC coupling mode. Figure 7: If we zoom in farther, we run out of available channel offset! Since DC coupling mode didn't work very …

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  • Single-mode and PM fiber Coupling -

    2008-11-21 · We experimentally compare the single-mode coupling efficiencies for three different phase matching regimes of bulk type-II spontaneous parametric down-conversion: collinear, noncollinear, and beamlike. Our experiment shows that the beamlike scheme provides the best single-mode coupling efficiency. Received 25 September 2008.

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  • Coupling mode of receptors and G proteins |

    2021-7-26 · Coupling into single-mode and polarization-maintaining fibers For fiber coupling, either the laser beam couplers type 60SMS or the collimators of type 60FC can be used. If a collimator is selected then it can be used for fiber-coupling by using it in reverse mode and placing it in an adjustable mirror mount (or other mechanics providing the same degrees of freedom).

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  • Rev. Mod. Phys. 76, 785 (2004) - Mode-coupling

    2008-12-2 · Nanoff and colleagues succeeded to isolate a membrane component (termed “coupling cofactor”; Nanoff 1995), whose removal abolished tight coupling in rodent membranes and whose addition to human membranes established GTP-insensitive coupling there. The precise nature and method of action of this cofactor is not yet known, but it could work by simultaneously binding a …

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  • Mode coupling in optical waveguide horns | IEEE

    2004-10-15 · Mode-coupling theory is an approach to the study of complex behavior in the supercooled liquids which developed from the idea of a nonlinear feedback mechanism. From the coupling of slowly decaying correlation functions the theory predicts the existence of a characteristic temperature T c above the experimental glass transition temperature T g for the liquid.

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  • Combined effect of chemical and turbulent

    Analytic approximations for the coupling constant and phase difference are derived. For a parabolic-shaped horn an expression for the power transferred out of the lowest order mode is obtained, which demonstrates that long structures will be needed to maintain adiabatic operation.

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  • ResBW Mode (ResBW) - rfmw.em.keysight.com

    2019-2-15 · The chemical-turbulent agglomeration was proved to be the best coupling mode. The turbulent agglomeration led to different motion trajectories of droplets and fine particles. Chemical agglomeration improved the probability of particles collision in turbulent agglomeration.

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  • Mode-Coupling Analysis of N CSA N-H Dipolar Cross ...

    2010-1-3 · The choice of resolution-bandwidth mode in conjunction with the choice of resolution-bandwidth coupling mode affects both resolution and measurement speed. Keysight 89600 VSA offers two levels of flexibility in selecting a resolution bandwidth setting: 1-3-10 and Arbitrary: 1-3-10 mode is more restrictive than Arbitrary mode.

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  • Phys. Rev. A 78, 053825 (2008) - Single-mode

    2008-11-21 · We experimentally compare the single-mode coupling efficiencies for three different phase matching regimes of bulk type-II spontaneous parametric down-conversion: collinear, noncollinear, and beamlike. Our experiment shows that the beamlike scheme provides the best single-mode coupling …

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  • When to use AC Coupling on Your Oscilloscope |

    2018-10-18 · Figure 6 is the best we can get in DC coupling mode. Figure 7: If we zoom in farther, we run out of available channel offset! Since DC coupling mode didn’t work very well, we can try using AC coupling. When we turn on AC coupling, as shown in Figure 8, we can zoom in as much as we want! The 5V offset is completely filtered out by the AC ...

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  • Efficient multi-mode to single-mode coupling in a

    2010-7-8 · Efficient multi-mode to single-mode coupling in a photonic lantern Danny Noordegraaf, 1,2 Peter M. W. Skovgaard, 1 Martin D. Nielsen, 1 and Joss Bland-Hawthorn 3,4 1Crystal Fibre A/S, Blokken 84, DK-3460 Birkerød, Denmark 2DTU Photonics, Technical University of Denmark, DK-2800, Denmark 3School of Physics, University of Sydney, NSW 2006, Australia

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  • Dynamic modulation of modal coupling in ...

    2019-10-31 · Mode coupling mechanisms based on physical mechanical linkages 28, dielectric coupling 21,35, tension-induced parametric coupling 18,23,29, and internal resonance 20,25 have been previously ...

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  • Single-mode coupling efficiencies of type-II spontaneous ...

    2020-12-21 · the best biphoton single-mode coupling efficiency. Let us first briefly discuss the emission properties of the three phase matching conditions of type-II SPDC for the conditions of our experiment. The pump laser was a 408 nm cw diode laser Coherent Cube and the SPDC photons had

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  • RFSYNCIN coupling mode of HMC7043 - Q&A - Clock

    2020-9-25 · We have verified 4 scenarios as follows,RFSYNC is a single pulse,Keep 0 level after pulse: Single-ended 3.3V input, external AC coupling, Reg0x00A [2] is disable, FSM STATE (0x0091) DONE, but the SYSREF output by 7043 is constantly triggered to output (pulse mode), abnormal. Single-ended 3.3V input, external AC coupling, Reg0x00A [2] is enable ...

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  • The Effect of Spatial Mode Distribution on Coupling ...

    2019-8-1 · In this study, Zernike polynomials and optical fiber field theory are applied to build a mathematical model of coupling efficiency (CE) and spatial mode of aberrations. The theory built in this paper can be used to quickly calculate the CE affected by a single aberration as well as the aberrations caused by atmospheric turbulence.

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  • Plasmonic mode coupling and thin film sensing in

    2021-7-23 · According to our detailed studies (summarized in Supporting Information), in the absence of coupling, i.e. for an uncoupled MIM structure having a semi-infinite outer metal layer, the S-SPP mode ...

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  • On the measurement of two-photon single-mode

    2004-7-29 · Here, we present a model to describe the coupling of the PDC source with single spatial modes. This method uses a field-based model to describe the coupling of the PDC field with the single-mode fibre-defined fields, as has been partially presented in other works along with some suggestive supporting data [23, 24].

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  • Sensors | Free Full-Text | Low-Loss Coupling of

    The best coupling conditions were obtained by maximizing the HCW output power. Figure 3 e–m show the beam profiles obtained at the exit of a 15-cm- and 30-cm-long HCWs in straight positions for the QCL emitting at 7.3 μm ( Figure 3 e,k), at 4.9 μm ( Figure 3 f,j), 4.5 μm ( …

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  • Mode Coupling Analysis of Interfacial Stability and ...

    2021-7-16 · The coupling relationships and effects of each mode are different for various unstable components. Effect of ACD The ACD is the distance from the bottom palm of the anode to the top surface of the metal, which not only directly affects the MHD stability but also greatly reduces the electrolysis energy consumption by reducing the distance.

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  • Single-mode coupling efficiencies of type-II spontaneous ...

    Description. The Coupling property indicates the coupling mode used for the analog input signal connection. You cannot change the value for devices that support only one mode. For devices that support both AC and DC coupling, you can specify the mode by changing this property value. If Coupling is set to 'DC', the signal input is connected ...

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  • RFSYNCIN coupling mode of HMC7043 - Q&A - Clock

    2020-12-21 · the best biphoton single-mode coupling efficiency. Let us first briefly discuss the emission properties of the three phase matching conditions of type-II SPDC for the conditions of our experiment. The pump laser was a 408 nm cw diode laser Coherent Cube and the SPDC photons had

    Get Price
  • Single-mode fiber auto-coupling system with wedges ...

    2020-9-25 · We have verified 4 scenarios as follows,RFSYNC is a single pulse,Keep 0 level after pulse: Single-ended 3.3V input, external AC coupling, Reg0x00A [2] is disable, FSM STATE (0x0091) DONE, but the SYSREF output by 7043 is constantly triggered to output (pulse mode), abnormal. Single-ended 3.3V input, external AC coupling, Reg0x00A [2] is enable ...

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  • Improving the Coupling Efficiency of Light into Single ...

    2021-1-1 · The first joint use of double-wedge system and stepper motors to achieve single-mode fiber automatic coupling. • When the optical path is misaligned within a certain range, the system can automatically restore the efficiency to near the manual best efficiency. • Double wedge coupling simulation and experimental demonstration match well.

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  • A mode-matching technique for the study of circular

    2020-1-17 · The poor coupling efficiency is due to only a fraction of the light in these multimode sources matching the characteristics of the single mode fiber's guided mode. By spatially filtering the light from the source, the amount of light that may be coupled into the fiber's core can be estimated. At best, a single mode fiber will accept only the ...

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  • Phys. Rev. Lett. 127, 048002 (2021) - Elastoplasticity ...

    2021-6-27 · A mode-matching scheme for the analysis of concentric circular and/or coaxial waveguide step discontinuities is proposed in this paper. An analytical evaluation of the involved coupling integrals for all possible discontinuities formed by any combination of a circular and a coaxial waveguide is performed. The originality mainly concerns the multimode excitation and scattering at a circular-to ...

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  • Breaking the Coupling Efficiency–Bandwidth

    2021-7-22 · Elastoplasticity Mediates Dynamical Heterogeneity Below the Mode Coupling Temperature Rahul N. Chacko, François P. Landes, Giulio Biroli, Olivier Dauchot, Andrea J. Liu, and David R. Reichman Phys. Rev. Lett. 127, 048002 – Published 22 July 2021

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  • OSA | Subwavelength waveguide grating for mode

    2021-5-5 · The black curve is a fitting of the Pareto front provided by Passoni et al. and shows the maximum coupling efficiency–bandwidth product (35 nm) that is theoretically achievable in conventional, apodized silicon-on-insulator grating couplers designed for standard single-mode optical fibers. The circles correspond to the state-of-the-art ...

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  • 10 tips on choosing the right coupling | Drivelines

    2009-12-1 · 2. Determine the best way to mount coupling to shaft. The method by which a coupling is mounted on the shaft may determine the success or failure of that coupling, regardless of whether it is right for the job. Traditional keys, keyways, and taper bushings work well in unidirectional applications with minimal shock or reversing loads.

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  • Coupled-Mode Theory – Fosco Connect

    Coupled-mode theory deals with the coupling of spatial modes of different spatial distributions or different polarizations, or both. Although the theory described in this tutorial is formulated specifically in terms of the coupling of waveguide modes, it can be easily extended to other kind of spatial modes, such as Gaussian spatial modes.

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  • Mode Coupling Analysis of Interfacial Stability and ...

    2021-7-16 · The coupling relationships and effects of each mode are different for various unstable components. Effect of ACD The ACD is the distance from the bottom palm of the anode to the top surface of the metal, which not only directly affects the MHD stability but also greatly reduces the electrolysis energy consumption by reducing the distance.

    Get Price
  • Finite element method and coupled mode theory

    Where a 1 (t) and a 2 (t) denote the forward transfer mode of the resonators, respectively; ω 10,20 denote the natural resonant frequency of each resonator; κ denotes the mode coupling factor; Γ 1 and Γ 2 denote the intrinsic loss of resonators; Γ L is the intrinsic loss due to the load resistance; A s e jωt on resonator a 1 is a sinusoidal signal source with the amplitude A s and the ...

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  • (PDF) Impact of mode coupling on the mode

    To generate strong mode coupling the maximum allowed core displacement was 4.7% of the core radius. To emulate weakly coupled modes the maximum allowed core displacement was 0.6% of the core radius. To visualize the mode coupling strength, a Gaussian pulse of 30ps width was transmitted through one of the polarization of the LP01 mode.

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  • Photonic lanterns: a study of light propagation in ...

    2011-3-25 · The capability of coupling light from a multimode fibre to a single-mode system in which the light is propagating in several Gaussian modes (i.e. modes that can be focused to the diffraction limit) is remarkable. As such, for this work we will consider the single-mode propagation in the optical fibres to be “near-diffraction limited”.

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  • Optimizing polarization-diversity couplers for Si ...

    2014-6-18 · fibre-mode is given by φ. Light is coupled into the two taper-waveguide arms with coupling efficiencies of CEX and CEY, that depend on the SOI-PDC design parameters, and the polarization angle. (b) A representative set of the best coupling efficiency of …

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  • “Single Mode Fiber Coupling: Sensitivities and Tolerancing”

    2016-10-18 · Figure 1. Single Mode Fiber Coupling. 1. Introduction. Single mode fibers are frequently used in telecom and other applications. The alignment tolerances to couple into a single mode fiber are fairly restrictive. For example, a lateral offset of only 1um causes the coupling efficiency to drop by 4%.

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  • Natural Frequencies and Mode Shapes of

    2011-8-6 · AC-coupling is used to change the common-mode voltage level when interconnecting different physical layers. A simple example is shown in Figure 1. Figure 1. AC-Coupling to Shift Common-Mode Voltage The capacitor in Figure 1 removes the dc component of the signal (common-mode voltage), while the ac component (voltage swing) is passed on.

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  • 10 tips on choosing the right coupling | Drivelines

    2009-12-1 · 2. Determine the best way to mount coupling to shaft. The method by which a coupling is mounted on the shaft may determine the success or failure of that coupling, regardless of whether it is right for the job. Traditional keys, keyways, and taper bushings work well in unidirectional applications with minimal shock or reversing loads.

    Get Price
  • Coupled-Mode Theory – Fosco Connect

    Coupled-mode theory deals with the coupling of spatial modes of different spatial distributions or different polarizations, or both. Although the theory described in this tutorial is formulated specifically in terms of the coupling of waveguide modes, it can be easily extended to other kind of spatial modes, such as Gaussian spatial modes.

    Get Price
  • Stratosphere troposphere coupling and annular mode ...

    2010-9-22 · Stratosphere‐troposphere coupling and annular mode variability in chemistry‐climate models Edwin P. Gerber,1 Mark P. Baldwin,2 Hideharu Akiyoshi,3 John Austin,4 Slimane Bekki,5 PeterBraesicke,6NealButchart,7MartynChipperfield,8MartinDameris,9SandipDhomse,8 Stacey M. Frith,10,11 Rolando R. Garcia,12 Hella Garny,9 Andrew Gettelman,12 Steven C. Hardiman,7 Alexey …

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  • PC fiber coupling with ASAP – Lumerical Support

    For the first mode, it is approximately 98% while for the second mode it is less than 1%. The coupling to the higher order modes is very small. The power coupling is lower than the overlap because the Gaussian beam is in a material of index 1 which does not match perfectly with the effective indices of the fundamental modes which are ...

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  • Coupling of modes analysis of resonant channel add-drop ...

    2002-4-6 · analysis is carried out using coupling of modes in time. A possible implementation of such a filter is a four-port system utilizing a pair of identical single-mode standing wave resonators. The analysis allows a simple derivation of the constraints imposed on …

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  • (PDF) Impact of mode coupling on the mode

    To generate strong mode coupling the maximum allowed core displacement was 4.7% of the core radius. To emulate weakly coupled modes the maximum allowed core displacement was 0.6% of the core radius. To visualize the mode coupling strength, a Gaussian pulse of 30ps width was transmitted through one of the polarization of the LP01 mode.

    Get Price
  • Photonic lanterns: a study of light propagation in ...

    2011-3-25 · The capability of coupling light from a multimode fibre to a single-mode system in which the light is propagating in several Gaussian modes (i.e. modes that can be focused to the diffraction limit) is remarkable. As such, for this work we will consider the single-mode propagation in the optical fibres to be “near-diffraction limited”.

    Get Price
  • MODULE: Coupling and cohesion - Uppsala University

    2002-11-21 · Coupling •“Interconnectedness” •The more one module has to “know” about another module, the higher is the coupling between them •Modules should be as independent as possible •Modules should communicate only via small, well-defined (“narrow”) interfaces

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  • “Single Mode Fiber Coupling: Sensitivities and Tolerancing”

    2016-10-18 · Figure 1. Single Mode Fiber Coupling. 1. Introduction. Single mode fibers are frequently used in telecom and other applications. The alignment tolerances to couple into a single mode fiber are fairly restrictive. For example, a lateral offset of only 1um causes the coupling efficiency to drop by 4%.

    Get Price
  • AC-Coupling Between Differential LVPECL, LVDS, HSTL,

    2011-8-6 · AC-coupling is used to change the common-mode voltage level when interconnecting different physical layers. A simple example is shown in Figure 1. Figure 1. AC-Coupling to Shift Common-Mode Voltage The capacitor in Figure 1 removes the dc component of the signal (common-mode voltage), while the ac component (voltage swing) is passed on.

    Get Price