eigenmodes

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• Differential group delay — In optics, differential group delay is the difference in propagation time between the two eigenmodes X and Y polarizations. Consider two eigenmodes that are the 0° and 90° linear polarization states. If the state of polarization of the input… …   Wikipedia

• Electromagnetic reverberation chamber — A look inside the (large) Reverberation Chamber at the Otto von Guericke University Magdeburg, Germany. On the left side is the vertical Mode Stirrer (or Tuner), that changes the electromagnetic boundaries to ensure a (statistically) homogeneous… …   Wikipedia

• Mode coupling — In the term mode coupling, as used in physics and electrical engineering, the word mode refers to eigenmodes of an idealized, unperturbed , linear system. Most often, these eigenmodes are plane waves. The superposition principle says that… …   Wikipedia

• Cutoff frequency — This article is about signal processing. For other uses, see Cutoff (disambiguation). Magnitude transfer function of a bandpass filter with lower 3 dB cutoff frequency f1 and upper 3dB cutoff frequency f2 …   Wikipedia

• Dispersion-limited operation — A dispersion limited operation is an operation of a communications link in which signal waveform degradation attributable to the dispersive effects of the communications medium is the dominant mechanism that limits link performance. The… …   Wikipedia

• Birefringence — Displacement of light rays with perpendicular polarization through a birefringent material …   Wikipedia

• Optical cavity — An optical cavity or optical resonator is an arrangement of mirrors that forms a standing wave cavity resonator for light waves. Optical cavities are a major component of lasers, surrounding the gain medium and providing feedback of the laser… …   Wikipedia

• Vibrational partition function — The vibrational partition function traditionally refers to the component of the canonical partition function resulting from the vibrational degrees of freedom of a system. The vibrational partition function is only well defined in model systems… …   Wikipedia

• Donald Eigler — Don Eigler and Neon in front of one of the two Scanning Tunneling Microscopes at Almaden Donald M. Eigler is a physicist and IBM Fellow at the IBM Almaden Research Center. On September 28, 1989 he achieved a landmark in humankind’s ability to… …   Wikipedia

• Fractional vortices — In a standard superconductor, described by a complex field |Psi|e^{iphi} (condensates wave function), vortices carry quantized magnetic field: a consequence of 2pi invariance of the phase phi of the condensate wave function |Psi|e^{iphi}. There a …   Wikipedia

• Gyrokinetic ElectroMagnetic — GEM is short for Gyrokinetic ElectroMagnetic. GEM is a gyrokinetic plasma turbulence simulation that uses the delta f particle in cell method. It is used to study waves, instabilities and nonlinear behavior of tokamak fusion plasmas. Information… …   Wikipedia