Optical apparatus using a lens array

Details Optical apparatus using a lens array Optical apparatus using a lens array

2011-07-19

2011-07-19

Collins, Darryl J (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By surface composed of lenticular elements

C359S619000, C385S033000

Reexamination Certificate

active

07982957

ABSTRACT:
In an optical apparatus according to the present invention, the lens thicknesses and curvature radiuses of respective first lenses are optimized so that beam waist positions of optical beams emitted from the respective first lenses of a lens array are independently changed according to aberration of a second lens, and the focal position deviation due to the aberration of the second lens is cancelled by a difference between the beam waist positions, which is given on the lens array side. As a result, it is possible to suppress, at a low cost, variations in focal positions of the optical beams which are emitted from respective ports of the lens array to be condensed by the common lens.

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D.T. Neilson et al., “Fully provisioned 112×112 micro-mechanical optical crossconnect with 35.8Tb/s demonstrated capacity,” Optical Fiber Communications Conference (OFC 2000), Postdeadline paper PD-12, Mar. 2000.

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