Optical system for correcting the aberrations of a beamsplitter

Details Optical system for correcting the aberrations of a beamsplitter Optical system for correcting the aberrations of a beamsplitter

1981-05-28

1983-11-01

Henry, John W.

350447, G02B 2710

Patent

active

044127235

ABSTRACT:
An optical system for forming two separate images. A beamsplitter disposed in the path of a converging or diverging beam of light forms a reflected image and transmitted image. A thin positive lens disposed in the path of the transmitted beam of light selectively corrects the transmitted image for any or all of the following problems--spherical aberrations, coma, astigmatism, longitudinal and lateral color.

REFERENCES:
patent: 2792740 (1957-05-01), Haynes
patent: 3589796 (1971-06-01), Schaefer
patent: 4288148 (1981-08-01), Offner et al.
Offner, Abe, Applied Optics, vol. 13, No. 2, Feb. 1974, p. 242.

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