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ONLINE: Optical Properties of Solids in External Fields II - Einzelansicht

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Veranstaltungsart Übung Langtext
Veranstaltungsnummer 153770 Kurztext
Semester WS 2020 SWS 1
Teilnehmer 1. Platzvergabe 20 Max. Teilnehmer 2. Platzvergabe 25
Rhythmus Jedes 2. Semester Studienjahr
Credits für IB und SPZ
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Sprache Englisch
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  Tag Zeit Rhythmus Dauer Raum Lehrperson (Zuständigkeit) Status Bemerkung fällt aus am Max. Teilnehmer 2. Platzvergabe
Einzeltermine anzeigen Do. 14:00 bis 16:00 14t. 05.11.2020 bis
11.02.2021
Albert-Einstein-Str. 6 - SR 2-ACP      
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Zugeordnete Personen
Zugeordnete Personen Zuständigkeit
Vegesna, Sahitya verantwortlich
Schmidt, Heidemarie, Universitätsprofessor, Dr. verantwortlich
Zuordnung zu Einrichtungen
Physikalisch-Astronomische Fakultät
Inhalt
Kommentar

WS 2019/2020, Optical properties of solids in external fields II

Lecture: Prof. Dr. med. med. med. med. med. Heidemarie Schmidt

Exercise: M.Sc. Sahitya Varma Vegesna

Semester Time: 01.10.2019 - 31.03.2020

Lecture Time: 17.10.2019 - 06.02.2020

Examination Date and Time: 12. February 2020 (Wed), 9: 00-11: 00 am ( Albert-Einstein-Str. 6 - SR 1-ACP )

 Date             

 VL,  Albert-Einstein-Str. 6 - SR 1-ACP hr , 12:30 -14: 00 

 Exercise,  Albert-Einstein-Str. 6 - SR 1-ACP , 2:15 pm -3 : 45 pm 

 17. October 2019 (thu)

 Lecture

 Lecture

 24. October 2019 (thu)

 This Academic First Semester

 Exercise

 31. October 2019 (thu)

 Holiday (Reformation Day)

 Holiday (Reformation Day)

 07. November 2019 (thu)

 Lecture

 Lecture

 14. November 2019 (thu)

 Lecture

 Lecture

 21. November 2019 (thu)

 Exercise

 

 28. November 2019 (thu)

 Exercise

 05. December 2019 (thu)

 Lecture

 Lecture

 12. December 2019 (thu)

 Lecture

 Exercise

 19. December 2019 (thu)

 Lecture

 Lecture

 09. January 2020 (thu)

 Lecture

 

 16. January 2020 (thu)

 Lecture

 Exercise

 23. January 2020 (thu)

 Lecture

 Exercise

 30. January 2020 (thu)

 Lecture

 Lecture

 06. February 2020 (thu)

 Exercise

 

Literatur

1)     Hiroyuki Fujiwara, Spectroscopic Ellipsometry: Principles and Applications, Wiley, 2007

https://onlinelibrary.wiley.com/doi/book/10.1002/9780470060193

2)     Mark Fox: Optical Properties of Solids, Oxford University Press, 2nd edition 2010.

https://global.oup.com/academic/product/optical-properties-of-solids-9780199573370?q=Mark%20fox&lang=en&cc=de

Bemerkung

Lecture Solid State Optics in external fields

PART I SS2019

Introduction

  • Classification of optical properties
  • Optical coefficients
  • The complex refractive index and dielectric constant
  • Optical materials
  • Characteristic optical properties
  • Microscopic models

Electromagnetism in dielectrics

  • Electromagnetic fields and Maxwell’s equation
  • Electromagnetic waves

Classical propagation

  • Propagation of light in dense optical medium
  • The dipole oscillator model, Kramers-Kronig relationship
  • Dispersion
  • Optical anisotropy: birefringence

Quantum theory of radiative absorption and emission

  • Einstein coefficient
  • Quantum transition rates
  • Selection rules

Interband absorption

  • Interband transition
  • The transition rate for direct absorption
  • Band edge absorption in direct gap semiconductors
  • Band edge absorption in indirect gap semiconductors
  • Interband absorption above the band edge
  • Measurement of absorption spectra
  • Semiconductor photodetectors

Excitons

  • The concept of excitons
  • Free excitons
  • Free excitons at high densities
  • Frenkel excitons

Luminescence

  • Light emission in solids
  • Interband luminescence
  • Photoluminescence

Free electrons

  • Plasma reflectivity
  • Free carrier conductivity
  • Metals
  • Doped semiconductors
  • Plasmons

Phonons

  • Infrared active phonons
  • Infrared reflectivity and absorption in polar solids
  • Polaritons
  • Polarons
  • Inelastic light scattering
  • Phonon lifetimes

Literature: Mark Fox, Optical properties of solids, Oxford Master Series in Condensed Matter Physics, Oxford University Press, 2008

Lecture Solid State Optics in external fields

PART II WS2019/2020

Introduction

  • Magnetooptical materials
  • Electrooptical materials
  • Topological materials
  • Molecular materials

Band theory

  • Metals
  • Semiconductors
  • Insulators
  • Topological insulators
  • Molecular materials

Excitons

  • Free excitons in external magnetic field
  • Free excitons at external electric fields

Luminescence

  • Magnetoluminescence
  • Electroluminescence

Semiconductor quantum structures

  • Quantum confined structures
  • Growth and structure of semiconductor quantum wells
  • Electronic levels
  • Optical absorption and excitons
  • The quantum Stark effect
  • Optical emission
  • Intersubband transitions
  • Bloch oscillations
  • Growth and structure of semiconductor quantum dots
  • Electronic levels

Semiconductor photodetectors

  • Photodiodes
  • Photoconductive devices
  • Photovoltaic devices

Luminescence centers

  • Vibronic absorption and emission
  • Colour centers
  • Paramagnetic impurities in ionic crystals
  • Solid state lasers and optical amplifiers
  • Phosphors

Optical labels in biotechnology

Nonlinear optics

  • The nonlinear susceptibility tensor
  • The physical origin of optical nonlinearities
  • Second-order nonlinearities
  • Third-order nonlinear effects

Single photon detectors and quantum optics

Lerninhalte

Exercises will be hands-on training of modelling optical properties in solids using ellipsometry software.

The software Complete EASE will be provided for use on a personal computer during the term.

Part II - winter terms:

Optical interference

  • Optical interference in thin films
  • Optical interference in multilayers

Spectroscopic ellipsometry

  • Measured value in ellipsometry (y, D)
  • Interpretation of (y, D) with optical constants
  • Variation of (y, D) in transparent films
  • Variation of (y, D) in absorbing films

Dielectric function models

  • Lorentz model
  • Sellmeier and Cauchy model
  • Tauc-Lorentz model
  • Drude model

Effective medium approximation

  • Effective medium theories
  • Modelling of surface roughness

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part I - summer terms

Propagation of light

  • Light intensity
  • Penetration depth of light
  • Definition of optical constants

Dielectrics

  • Dielectric polarization
  • Dielectric function
  • Kramers-Kronig relation

Reflection and transmission of light

  • Refraction and Snell’s law
  • p- and s-polarized light
  • Reflection coefficient, transmission coefficient
  • Reflectance and transmittance
  • Brewster angle
  • Total reflection

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Literature:

1)     Hiroyuki Fujiwara, Spectroscopic Ellipsometry: Principles and Applications, Wiley, 2007 https://onlinelibrary.wiley.com/doi/book/10.1002/9780470060193

2)     Mark Fox: Optical Properties of Solids, Oxford University Press, 2nd edition 2010. https://global.oup.com/academic/product/optical-properties-of-solids-9780199573370?q=Mark%20fox&lang=en&cc=de

Strukturbaum
Keine Einordnung ins Vorlesungsverzeichnis vorhanden. Veranstaltung ist aus dem Semester WS 2020 , Aktuelles Semester: SoSe 2024

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