WebDec 1, 2013 · Freeform optics has certain characteristics such as complex surfaces and more degrees to be controlled, so that it is capable of achieving optical mapping … WebFigure 10. The Six Degrees of Freedom Reflective Elements Prisms Prisms are useful tools which make it possible to compact an optical system into a smaller form factor. The process of compacting an optical system is known as folding. There exist five main catagories of prisms which can be used to fold an optical system into different geometries.

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An ultra-degree-of-freedom structured vector beam - Phys.org

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