Cladded spherical lens having uneven refractive index

Details Cladded spherical lens having uneven refractive index Cladded spherical lens having uneven refractive index

1981-03-18

1983-12-27

Corbin, John K.

350416, G02B 902

Patent

active

044227337

ABSTRACT:
A cladded lens having an uneven refractive index comprises a spherical core having a graded refractive index and producing negative lateral aberration and a cladding producing positive lateral aberration. The aberrations of the core and the cladding are canceled by each other to be considerably corrected. Such a cladded lens is especially effective for optical communication and optical recording-regenerating as in PCM technology.

REFERENCES:
patent: 2213307 (1940-09-01), Elliot
patent: 2273847 (1942-02-01), Eckel
patent: 3166623 (1965-01-01), Waidelich
patent: 4153330 (1979-05-01), Tomlinson
patent: 4268112 (1981-05-01), Peterson
patent: 4327963 (1982-05-01), Khoe et al.

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