Diffraction Course
Gain expertise in diffraction from core principles to sensor design. Explore Fresnel and Fraunhofer regimes, Airy patterns, slit models, and FFT-based propagation to anticipate spot sizes, select apertures, and confirm optical configurations in practical physics scenarios.

4 to 360 hours flexible workload
valid certificate in your country
What will I learn?
This specialised Diffraction Course equips you with practical techniques to analyse and design aperture configurations confidently. Review essential wave optics, grasp Fresnel and Fraunhofer domains, and calculate Fresnel numbers. Model slits and circular apertures, forecast central lobe widths on detectors, select appropriate sizes, and confirm outcomes via numerical simulations and simple experiments.
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Develop skills
- Master diffraction regimes: swiftly determine Fresnel versus Fraunhofer for any configuration.
- Calculate slit and Airy patterns: forecast minima, lobe widths, and detector spots.
- Design apertures efficiently: dimension slits and apertures for target sensor coverage at 0.5 metres.
- Utilise Fresnel number: assess approximation accuracy and select analytical or numerical methods.
- Simulate and verify beams: execute FFT propagation and derive accurate lobe measurements.
Suggested summary
Before starting, you can change the chapters and the workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
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