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Optical Properties of Solids in External Fields - Einzelansicht

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Veranstaltungsart Übung Langtext
Veranstaltungsnummer 147142 Kurztext
Semester SS 2024 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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Abmeldefristen A1-Belegung ohne Abmeldung    19.02.2024 09:00:00 - 26.03.2024 08:29:59   
A2-Belegung mit Abmeldung 2 Wochen    26.03.2024 08:30:00 - 16.04.2024 23:59:59   
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Termine Gruppe: 1-Gruppe iCalendar Export für Outlook
  Tag Zeit Rhythmus Dauer Raum Lehrperson (Zuständigkeit) Status Bemerkung fällt aus am Max. Teilnehmer 2. Platzvergabe
Einzeltermine ausblenden Do. 14:00 bis 16:00 14t. 04.04.2024 bis
05.07.2024
Albert-Einstein-Str. 6 - SR 2-ACP      
Einzeltermine:
  • 04.04.2024
  • 18.04.2024
  • 02.05.2024
  • 16.05.2024
  • 30.05.2024
  • 13.06.2024
  • 27.06.2024
Gruppe 1-Gruppe:



Zugeordnete Personen
Zugeordnete Personen Zuständigkeit
Vegesna, Sahitya verantwortlich
Schmidt, Heidemarie, Universitätsprofessor, Dr. verantwortlich
Zuordnung zu Einrichtungen
Physikalisch-Astronomische Fakultät
Inhalt
Kommentar

 

SS 2024

Optical properties of solids in external fields I

Click on the following link for an overview of the course content:

https://www.youtube.com/watch?v=S9yM4h9njwE&t=3s 

Vorlesung: Prof. Dr. Heidemarie Schmidt

Übung: M.Sc. Sahitya Varma Vegesna

Semesterzeit:    01.04.2024 - 30.09.2024

Vorlesungszeit:  02.04.2024 - 05.07.2024

 

Datum,

(Donnerstag)                                     

Albert-Einstein-Str. 6 / SR 2-ACP

12:00-1:30 Uhr

Albert-Einstein-Str. 6 / SR 2-ACP

2:00pm - 3:30 Uhr

April 04, 2023 (Do.)

 01. Übung (SVV)

 

April 11, 2023 (Do.)

 01. Vorlesung (HS)

 02. Vorlesung (HS)

April 18, 2023 (Do.)

 03. Vorlesung (HS)

 02. Übung (SVV)

April 25, 2023 (Do.)

 04. Vorlesung (HS)

 

Mai 02, 2023 (Do.)

 05. Vorlesung (HS)

 03. Übung (SVV)

Mai 09, 2023 (Do.)

 Christi Himmelfahrt

 Christi Himmelfahrt

Mai 16, 2023 (Do.)

 06. Vorlesung (HS)

 04. Übung (SVV)

Mai 23, 2023 (Do.)

 07. Vorlesung (HS)

 08. Vorlesung (HS)

Mai 30, 2023 (Do.)

 Fronleichnam

 Fronleichnam 

Juni 06, 2023 (Do.)

  09. Vorlesung (HS)

 05. Übung (SVV)

Juni 13, 2023 (Do.)

 10. Vorlesung (HS)

 11. Vorlesung (HS)

Juni 20, 2023 (Do.)

 12. Vorlesung (HS)

 06. Übung (SVV)

Juni 27, 2023 (Do.)

 13. Vorlesung (HS)

 14. Vorlesung (HS)

Juli 04, 2023 (Do.)

 07. Übung (SVV)

 

Mündlichen Prüfung:

-Vorlesung: 30 min/student (Prof. Dr. H. Schmidt)

-Übung: 20 min/student (Sahitya Varma Vegesna)

Termin der mündlichen Prüfung:

15 Juli 2024 (Mo.) 09-14 Uhr, Leibniz-IPHT ( Albert-Einstein-Str. 9/ Room 242 ).

 

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

3) Sadao Adachi, Properties of Group‐IV, III‐V and II‐VI Semiconductors, John Wiley & Sons, Ltd, 2005 

https://onlinelibrary.wiley.com/doi/book/10.1002/0470090340 

4) Thomas P. Pearsall Quantum photonics Springer

https://www.springer.com/gp/book/9783030473242 

 

Lerninhalte

Lectures

PART I  Summer terms:

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

---------------------------------------------------------------------------------

PART II Winter terms:

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

-----------------------------------------------------------------------------------------------------------------------

Exercises

PART I  Summer terms:

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

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

---------------------------------------------------------------------------------

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

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

3)     Sadao Adachi, Properties of Group‐IV, III‐V and II‐VI Semiconductors, John Wiley & Sons, Ltd, 2005 https://onlinelibrary.wiley.com/doi/book/10.1002/0470090340 

4)     Thomas P. Pearsall Quantum photonics Springer https://www.springer.com/gp/book/9783030473242 

Strukturbaum
Keine Einordnung ins Vorlesungsverzeichnis vorhanden. Veranstaltung ist aus dem Semester SS 2024 , Aktuelles Semester: WiSe 2024/25

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