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Dieser Podcast richtet sich an Schülerinnen und Schüler der Klassen 7 bis 13. In regelmäßigen Abständen kann man sich einen Audio- und Videopodcast herunterladen und anhören, bzw. ansehen. Im Podcast wird eine mathematische Startidee präsentiert, die zu eigenem Arbeiten anregen kann. Außerdem gibt es auf der Homepage zu jeder Podcast-Folge ein Arbeitsblatt, das die Startidee noch einmal aufgreift. In einem Forum besteht schließlich für die Schülerinnen und Schüler die Möglichkeit, sich über Fragen und eigene Ideen auszutauschen.
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Acoustooptics
Higher Education
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We look at the Bragg condition in anisotropic materials and solve for the diffracted beam amplitude using coupled mode theory.
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Physics 208
We derive the wave equation in isotropic materials from Maxwell's laws and we introduce phasor notation as a method for simplifying calculations.
Waves in Isotropic Materials
01:11:00
We derive the wave equation in isotropic materials from Maxwell's laws and we introduce phasor notation as a method for simplifying calculations.
Waves in Isotropic Materials
01:11:00
We look at the third order nonlinear effect and uses for Kerr lenses.
4 wave mixing
01:18:41
We use coupled mode analysis to investigate the field amplitudes in three wave mixing, and look at the effect of phase mismatch on the conversion efficiency of nonlinear processes.
Nonlinear Wave Equation
01:13:44
We look at the phase matching condition for Second Harmonic Generation and also do a tuning curve example for an OPO
Phase Matching of SHG
01:09:35
We introduce non-linear optics and discuss various forms of 3 wave mixing including frequency converters, optical parametric amplifiers (OPAs), optical parametric oscillators (OPOs) and second harmonic generation (SHG)
Nonlinear optics 1
01:13:05
We generalize the expressions for 1D waveguide to 2 dimensions and focus on the calculation of power coupled into a waveguide from a Gaussian beam.
2D Waveguides
01:14:30
We look at both the ray picture and field picture of modes in a 1D waveguide.
1D waveguides
01:12:46
We look at the unusual properties of 2d and 3d photonic crystals
Photonic Crystals
01:12:05
We look at Bloch Wave solutions to propagation in a periodic material using Fourier analysis of the material permittivity.
Propagation in periodic media
01:05:59
We introduce the electrooptic tensor and do examples using the linear electrooptic effect.
Electrooptics
01:03:05
We look at figures of merit for acoustooptic materials and limitation on modulation bandwidth in acoustooptic modulators.
Acoustooptic devices
00:53:53
We look at the Bragg condition in anisotropic materials and solve for the diffracted beam amplitude using coupled mode theory.
Acoustooptics
01:08:50
We introduce Jones calculus to keep track of polarization direction and use it to describe a number of examples including polarization rotation in a twisted nematic liquid crystal.
Jones Calculus and Liquid Crystals
01:15:57
We look at how aspects of this class relate to the Laser Interferometer Gravitational Wave Observatory (LIGO) and investigate the design of the LIGO Faraday Isolators
Faraday Rotators in LIGO
00:59:18
We provide a physical description for the origin of optical activity and faraday rotation in a material and useeigenmodes as well as coupled mode analysis to solve for the behavior of fields propagating through an optically active material.
Optical Activity
01:17:14
We introduce the index ellipsoid and show how it can be used to find the indices of refraction for light propagating in a crystal in an arbitrary direction.
Index Ellipsoid
01:18:52
We look at solutions to the wave equation in anisotropic materials and the "normal shells" that describe of those solutions.
Propagation in Anisotropic Materials
01:16:32
We consider Maxwell's equations in matter and use them to find the boundary conditions at an interface, and the wave equation in anisotropic materials.
Maxwell's Equations in Matter
01:16:59
We derive the wave equation in isotropic materials from Maxwell's laws and we introduce phasor notation as a method for simplifying calculations.
Waves in Isotropic Materials
01:11:00
We look at how the various pieces of optics we have studied throughout the course are integrated in to devices.
Photonic Circuits
01:05:56
Physics 208
2/24/2009
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