Institut d'Optique Graduate School

Tutorials and practical works I was involved in during my PhD thesis

The Institut d’Optique Graduate School is an engineering school :mortar_board: in the french :fr: system : this means it educates students from the third to the fifth year of University.

The Institut d'Optique Graduate School building, at Palaiseau, France. © Wikipedia

Informatics for scientists : Python or Matlab

This is a lecture for 3rd year of University students led by Sylvie Lebrun, Xavier Delen et Julien Villemejane. Due to historical reasons, students were thought the Matlab language for my first two years but we finally switched to Python in my last year of teaching. The lectures are available online on the github IOGS Digital Method webpage.

This course is composed of three parts:

  • The first part of the course is an introduction during which we present numerical tools to students :computer:. The idea is also to introduce Python :snake: to the students that never heard about. We study a simple RLC circuit, integrating the solution with analytical tools
  • The second part is a project which aimed to study (gaussian) laser beam :flashlight:. The project consist of implementing a fitting routine to obtain the position and the size of the beam :camera:. This gives access to the M2 and the waist of the beam.
  • The last part of the course is dedicated to modulation and demodulation of audio signal :sound:. To pass the exam, you must demodulate, play and find from which movie the amplitude modulated song is extracted :notes: !

Fourier Hands-on (3rd year)

This tutorial is part of the Math and Signals course taught by François Goudail and focuses on Discrete Fourier Transforms without programming. The first part of the tutorial focuses on reviews :pencil2: about FT and the second requires interpreting graphs :chart_with_upwards_trend: generated through the Matlab toolbox of IOGS. The last part of the lab deals with zero-padding. A solution to the assignment is available here.

Electromagnetism

I gave tutorials within the Electromagnetism :bulb: lecture given by François Marquier which is intended for 3rd years University students.

Detector and noise (4th year)

The Detector and noise practical work is composed of 4x4.5 hours of lab sessions.

  • Photodetection noise sources focuses on the voltage fluctuations across a resistor and how its related to the resistor value and its temperature. Using Johnson-Nyquist, we can recover the liquid nitrogen temperature :snowflake: ! The tutorial ends with the study of the photon noise.
  • The second one study an infrared photodiode in many details,
  • The third one is on a CMOS detector, introducing to read-out noise, dark signal, gain and spectral response :rainbow:.
  • The last session ables student to use a thermal camera and study its performances :movie_camera:.