Waveguide for heat assisted magnetic recording

Optical waveguides – With optical coupler – Particular coupling structure

Reexamination Certificate

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Details

C385S027000, C385S037000, C359S034000

Reexamination Certificate

active

07949218

ABSTRACT:
An apparatus includes a slider mounted on an arm, a first waveguide including a first core guiding layer, a second waveguide mounted on the slider and including a second core guiding layer having a thickness smaller than the thickness of the first core guiding layer, and a coupler for coupling light from the first core guiding layer to the second core guiding layer.

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