Binary optical lens optical system of refractive-reflective free curved plane
A binary optics and optical system technology, applied in optics, optical components, installation, etc., can solve problems affecting imaging quality, large chromatic aberration, large imaging distortion, etc., and achieve the effect of improving reflection efficiency, small chromatic aberration, and light weight
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[0031] The present invention is implemented like this:
[0032] exist Figure 1 to Figure 4 Among them, a catadioptric free-form surface binary optical prism optical system, the optical system includes a catadioptric free-form surface binary optical prism, which includes an incident surface 1, an exit surface 2 and a reflection surface 3, the incident surface 1 It is a diffractive surface, which realizes refracting the incident light and converging it into the binary optical prism with a refracting free-form surface; the outgoing surface 2 is a free-form surface, which totally reflects the light entering the prism from the incident surface 1 onto the reflective surface 3; The reflective surface 3 is a spherical surface, and the light reflected from the exit surface 2 is reflected twice, and reflected back to the exit surface 2, and finally refracted by the exit surface 2 as parallel light and enters the pupil, so that a refracted light can be seen. Image magnified by an anti-...
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