toroidal lens

toroidal lens
тороидальная линза

English-russian dictionary of physics. 2013.

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  • Toric lens — In optics, a toric lens is a type of lens whose surface is a combination of a sphere and a cylinder. One surface of the lens is spherical, the other toroidal. [cite book|title=A Textbook of Ophthalmology|author=E.… …   Wikipedia

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  • bicylindrical lens — a lens that has both surfaces cylindrical or toroidal …   Medical dictionary

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  • Fusion power — The Sun is a natural fusion reactor. Fusion power is the power generated by nuclear fusion processes. In fusion reactions two light atomic nuclei fuse together to form a heavier nucleus (in contrast with fission power). In doing so they release a …   Wikipedia

  • Wavefront — In optics and physics, a wavefront is the locus (a line, or, in a wave propagating in 3 dimensions, a surface) of points having the same phase. Since infrared, optical, x ray and gamma ray frequencies are so high, the temporal component of… …   Wikipedia

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  • Curved mirror — Reflections in a spherical convex mirror. The photographer is seen reflected at top right A curved mirror is a mirror with a curved reflective surface, which may be either convex (bulging outward) or concave (bulging inward). Most curved mirrors… …   Wikipedia


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