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2. Ray-Ban - Wikipedia

   en.wikipedia.org/wiki/Ray-Ban

   Ray-Ban is a brand of luxury sunglasses and eyeglasses created in 1936 by Bausch & Lomb. The brand is best known for its Wayfarer and Aviator lines of sunglasses. In 1999, Bausch & Lomb sold the brand to Italian eyewear conglomerate Luxottica Group for a reported $640 million.

3. Ray-Ban Meta - Wikipedia

   en.wikipedia.org/wiki/Ray-Ban_Meta

   Ray-Ban Meta is a range of smartglasses created by Meta Platforms and EssilorLuxottica. They include two cameras, open-ear speakers, a microphone, and touchpad built into the frame. [ 1 ] They are latest in a line of smartglasses released by major companies including Snap Inc and Google and are designed as one component of Facebook’s plans ...

4. Ray-Ban Wayfarer - Wikipedia

   en.wikipedia.org/wiki/Ray-Ban_Wayfarer

   1950s singer Buddy Holly helped popularise Wayfarers. Ray-Ban Wayfarer sunglasses and eyeglasses have been manufactured by Ray-Ban since 1952. Made popular in the 1950s and 1960s by music and film icons such as Buddy Holly, Roy Orbison and James Dean, Wayfarers almost became discontinued in the 1970s, before a major resurgence was created in the 1980s through massive product placements.

5. Birefringence - Wikipedia

   en.wikipedia.org/wiki/Birefringence

   Comparison of positive and negative birefringence : In positive birefringence (figure 1), the ordinary ray (p-polarisation in this case w.r.t. magenta-coloured plane of incidence), perpendicular to optic axis A is the fast ray (F) while the extraordinary ray (s-polarisation in this case and parallel to optic axis A) is the slow ray (S).

6. Radial polarization - Wikipedia

   en.wikipedia.org/wiki/Radial_polarization

   A radially polarized beam can be used to produce a smaller focused spot than a more conventional linearly or circularly polarized beam, [8] and has uses in optical trapping. [ 9 ] It has been shown that a radially polarized beam can be used to increase the information capacity of free space optical communication via mode division multiplexing ...

7. Unpolarized light - Wikipedia

   en.wikipedia.org/wiki/Unpolarized_light

   At any particular wavelength, partially polarized light can be statistically described as the superposition of a completely unpolarized component and a completely polarized one. [5]: 346–347 [6]: 330 One may then describe the light in terms of the degree of polarization and the parameters of the polarized component. That polarized component ...