Optics laboratories (autumn)

MICRO-424

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Course summary

General

General supporting items and linguistics.

Course Information

  • Course overview
  • Laser safety
  • Measurements and error analysis

Logistics

Schedule of TPs and student grouping. Please check often for updates.

Laboratory Notebook

Introduction into error analysis

Reference textbook about errors in measurement : 

John R. Taylor - An Introduction to Error Analysis_ The Study of Uncertainties in Physical Measurements-University Science Books (1997)

Topic 1: Fiber Optics and Gaussian Laser Beams

  • Gaussian beam propagation.
  • Couple light into a multimode/single mode optical fiber.
  • Characterize input and output of a fiber including loss.

Topic 2: Tunable Diode Laser Based on MEMS Grating

  • Alignment and characterization of a wavelength tunable external cavity diode laser by means of a Mems grating.
  • Understand the working principle of a tunable Mems grating.

Topic 3: Fourier Optics

  • Spatial filtering in optical systems.
  • Design and align Fourier optics setup.
  • Analyze diffraction patterns.

Topic 4: Fabry-Perot Interferometry

  • Setup and align different Fabry-Perot interferometers.
  • Study modes and stability of different configurations.


Topic 5: Solar Cell Qualification

  • Spectral characterization of light sources.
  • Measurement of external quantum efficiency.
  • Opto-electrical characteristics (U-I -curve) and modeling with an equivalent circuit.

Topic 6: Erbium doped fiber amplifier EDFA

  • Characterize diode lasers.
  • Measure the amplified spontaneous emission spectrum.
  • Characterize the amplifier gain saturation in various configurations.
  • Optional: Build a fiber laser.

Topic 7: Photoelasticity and Birefringence

  • Observation of the photoelastic effect
  • Measure stress in transparent material by means of photoelasticity
  • Manipulate the polarization state of light, from linear to circular polarization and back

Topic 8: Digital Holography

  • Learn how to digitally record the phase and amplitude distribution of a light beam.
  • Learn how to generate arbitrary phase and amplitude distributions.
  • Apply these techniques to model and control light propagation through a seemingly random optical system.

Camera objective design

  • Study imaging behaviour of achromats in simulation and experiment
  • Design a Triplet lens system with out of shelf lenses
  • Build and characterise the performance of the Triplet lens system

Microscopy

  • Disassembly and assembly of a microscope
  • Illumination and adjustment 
  • Microscopy techniques (Brightfield, Darkfield, Fluorescence)
  • Resolution of microscope