311.171 Diffractive Optics: Computer Design and Applications
This course is in all assigned curricula part of the STEOP.
This course is in at least 1 assigned curriculum part of the STEOP.

2021S, VO, 2.0h, 3.0EC


  • Semester hours: 2.0
  • Credits: 3.0
  • Type: VO Lecture
  • Format: Distance Learning

Learning outcomes

After successful completion of the course, students are able to...

  • Designing application areas for lasers in industrial manufacturing
  • Describe the advantages of laser material processing
  • describe the characteristic properties of the laser beam
  • to demonstrate an in-depth understanding of the fundamentals of technological optics that goes well beyond basic physical knowledge
  • Analyzing devices for redistributing laser radiation intensity
  • describe and explain the basic concepts of diffractive optics
  • Illustrate the principle of a diffraction grating and list different types of DOEs.
  • to argue the transformation of laser beams by diffractive optical components
  • Select optical components for beam guidance and beam shaping
  • Describing the structure of the surface relief of a diffractive optical element
  • identify the properties of diffractive elements for beam splitting and justify applications of multi-spot and multifocus DOEs
  • Discussing application examples of a diffractive beam sampler and DOEs for extended depth of field
  • Explain diffractive elements for beam profile change, including Top Hat beamformers and ring profile DOEs.
  • Tailor appearance and design to any shape of stain
  • Evaluate the advantages and disadvantages of DOEs
  • select appropriate beam shaping methods to use to solve laser technology problems
  • Establish applications of diffractive optical elements
  • demonstrate a professional and methodically correct approach to a field of diffractive optics and illustrate it orally in an easily understandable form
  • transfer their knowledge and solve optical problems and explain their associated concepts


Subject of course

1. fields of application of lasers. Lasers in industrial production. Advantages of laser material processing.
2. the characteristic properties of laser radiation. Beam shaping and its effect on the process result. Optical components for beam guidance and beam shaping. Devices for redistributing the laser beam intensity.
3. principle of a diffraction grating. Diffractive optical elements (DOEs). Structure of the surface relief of a diffractive optical element. Different types of DOEs.
4. diffractive elements for beam splitting. Properties and applications. Multi-spot DOEs. Application example of a diffractive beam sampler. DOEs for extended depth of field. Dual wavelengths DOE.
5. diffractive elements to change the beam profile. Top Has beamformer and ring profile DOEs. Tailor-made optics and design of any spot shape. Advantages and disadvantages of DOEs. Applications of diffractive optical elements

Translated with www.DeepL.com/Translator

Teaching methods

Presentations of transparencies and videos, discussions of the advantages and disadvantages of DOEs and their applications, interviews with experts, discussions of case studies

Mode of examination




Examination modalities

Discussion of content issues

Course registration

Not necessary



No lecture notes are available.