Paraxial approximation - PowerPoint PPT Presentation

Lenses and Imaging (Part I)

Lenses and Imaging (Part I). • Why is imaging necessary: Huygen’s principle – Spherical &amp; parallel ray bundles, points at infinity • Refraction at spherical surfaces (paraxial approximation) • Optical power and imaging condition • Matrix formulation of geometrical optics

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733 views • 48 slides

The Angular Momentum of Gauge Fields: The Case of Twisted Photons

The Angular Momentum of Gauge Fields: The Case of Twisted Photons. Andrei Afanasev The George Washington University Washington, DC QCD Evolution Workshop Jefferson Lab, Newport News, VA May 9, 2012. Objectives. Consider Abelian gauge fields (QED)

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510 views • 22 slides

ELG5106 Fourier Optics

ELG5106 Fourier Optics. Trevor Hall tjhall@uottawa.ca. Fourier Optics . Diffraction. 2. Propagation between Planes in Free Space. x 2. y 2. y 1. x 1. k. x 3. x 3 =z. x 3 =0. 3. Plane Wave Expansion I. Evanescent wave. 4. Plane Wave Expansion II. 5. Plane Wave Expansion III.

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735 views • 15 slides

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