Interference P47 – Optics: Unit 6.

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Presentation transcript:

Interference P47 – Optics: Unit 6

Course Outline Unit 6 Unit 1: Electromagnetic Waves Unit 2: Interaction with Matter Unit 3: Geometric Optics Unit 4: Superposition of Waves Unit 5: Polarization Unit 6: Interference Unit 7: Diffraction Unit 8: Fourier Optics Unit 9: Modern Optics

Unit 6 Interference

Unit 6 Temporal Coherence

Unit 6 Spatial Coherence plane wave infinite temporal coherence distorted wavefront infinite temporal coherence distorted wavefront finite temporal coherence diffracted wavefront finite temporal coherence infinite spatial coherence

Unit 6 Spectral Coherence waves of different frequencies with some fixed phase relationship → add coherently waves of different frequencies without fixed phase relationship → add randomly (natural light)

Unit 6 Michelson Interferometer

Unit 6 Michelson Interferometer (writ large)

Unit 6 Thin-Film Interference

Unit 6 Anti-Reflection Coatings

Unit 6 Anti-Reflection Coatings

Unit 6 Multi-Layer Dielectric Mirrors/Filters

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