Lens correcting wavefront error caused by tilt and optical...

Details Lens correcting wavefront error caused by tilt and optical... Lens correcting wavefront error caused by tilt and optical...

2007-10-30

2007-10-30

Wellington, Andrea (Department: 2627)

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

Reexamination Certificate

active

10653451

ABSTRACT:
An optical pickup having a plurality of objective lenses. At least one of the plurality of objective lenses is configured so that a type of wavefront error mainly generated by a tilt of the at least one of the plurality of objective lenses is the same as a type of a wavefront error mainly generated by an angle at which light is incident upon the at least one of the plurality of objective lenses.

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