Multi-layer coating structure to minimize phase shifts

TW202632317APending Publication Date: 2026-08-01LUMUS LTD
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Patent Information

Authority / Receiving Office
TW · TW
Patent Type
Applications
Current Assignee / Owner
LUMUS LTD
Filing Date
2025-01-16
Publication Date
2026-08-01

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    Figure TWG2TA001069536_003
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Abstract

An apparatus includes a waveguide and one or more partially reflective surfaces embedded inside the waveguide, wherein each of the one or more partially reflective surfaces includes a multi-layer coating structure, wherein a first portion of the multi-layer coating structure induces an overall phase shift of light propagating through the first portion of the multi-layer coating structure and wherein a second portion of the multi-layer coating structure is selected to decrease the overall phase shift.
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