LAYERED OPTICAL WAVEGUIDE AND NEAR FIELD TRANSDUCER

The present invention relates to a layered optical waveguide and a near field transducer. The layered optical waveguide according to one embodiment of the present invention includes an upper cladding layer core double layer structure. According to one embodiment of the present invention, the core do...

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Bibliographic Details
Main Authors ZHAO TONG, HUANG XIAOYUE, KAUTZKY MICHAEL C
Format Patent
LanguageEnglish
Korean
Published 22.09.2014
Subjects
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Summary:The present invention relates to a layered optical waveguide and a near field transducer. The layered optical waveguide according to one embodiment of the present invention includes an upper cladding layer core double layer structure. According to one embodiment of the present invention, the core double layer structure includes a lower index core layer having a refractive index (n3); and an upper index core layer having a refractive index (n1).
Bibliography:Application Number: KR20140015536