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2. Ray (optics) - Wikipedia

   en.wikipedia.org/wiki/Ray_(optics)

   Geometrical optics, or ray optics, is a model of optics that describes light propagation in terms of rays. The ray in geometrical optics is an abstraction useful for approximating the paths along which light propagates under certain circumstances. The simplifying assumptions of geometrical optics include that light rays:

3. Geometrical optics - Wikipedia

   en.wikipedia.org/wiki/Geometrical_optics

   Geometrical optics, or ray optics, is a model of optics that describes light propagation in terms of rays. The ray in geometrical optics is an abstraction useful for approximating the paths along which light propagates under certain circumstances. The simplifying assumptions of geometrical optics include that light rays:

4. List of optics equations - Wikipedia

   en.wikipedia.org/wiki/List_of_optics_equations

   Visulization of flux through differential area and solid angle. As always ^ is the unit normal to the incident surface A, = ^, and ^ is a unit vector in the direction of incident flux on the area element, θ is the angle between them.

5. Lobster-eye optics - Wikipedia

   en.wikipedia.org/wiki/Lobster-eye_optics

   Lobster-eye optics are a biomimetic design, based on the structure of the eyes of a lobster with an ultra wide field of view, used in X-ray optics. This configuration allows X-ray light to enter from multiple angles, capturing more X-rays from a larger area than other X-ray telescopes .

6. Eikonal equation - Wikipedia

   en.wikipedia.org/wiki/Eikonal_equation

   Ray optics and electromagnetism are related by the fact that the eikonal equation gives a second electromagnetic formula of the same form as the potential equation above where the line of constant potential has been replaced by a line of constant phase, and the force lines have been replaced by normal vectors coming out of the constant phase ...

7. List of synchrotron radiation facilities - Wikipedia

   en.wikipedia.org/wiki/List_of_synchrotron...

   European X-ray Free Electron Laser (EuXFEL) Schenefeld, near DESY: Germany: 17.5: 3400: 2017: Tantalus at the Synchrotron Radiation Center: University of Wisconsin: US: 0.24: 9.38: 1968: 1987 Synchrotron Radiation Center(SRC) University of Wisconsin: US: 1: 121: 1987: 2014 Solidi Roma Synchrotron Radiation Facility: Recycled 1GeV ...

8. AOL Mail for Verizon Customers - AOL Help

   help.aol.com/products/aol-mail-verizon

   AOL Mail welcomes Verizon customers to our safe and delightful email experience!

9. Beamline - Wikipedia

   en.wikipedia.org/wiki/Beamline

   There are ray-tracing codes such as Shadow and McXTrace that treat the x-ray beam in the geometric optics limit, and then there are wave propagation software that takes into account diffraction, and the intrinsic wavelike properties of the radiation. For the purposes of understanding full or partial coherence of the synchrotron radiation, the ...