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Self-Aligned Micro-Sensing Systems and Methods

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Background: This technology is related to optics and optical sensing. In particular the present invention describes a novel method and apparatus for high-efficiency low-cost optical sensing using micro-scale optical structures integrated with photodetectors and methods for making the same. Technology Description: Specifically an implementation of the present invention in photovoltaics is described offering high efficiency low cost and small form factor micro-concentrating photovoltaics systems. The present invention integrates micro-solar cells with wafer-level self-aligned micro-optical concentrating/mechanical elements to enhance conversion efficiency and reduce costs. Low cost manufacturing methods based on mature semiconductor processing technology and misalignment-tolerant integration are also disclosed which will benefit photodetection and illumination in various areas such as optical sensing photovoltaics optical interconnects illumination etc. Applications: 1) Optical sensing 2) PV systems


1) High-efficiency low-cost optical sensing 2) Single silicon wafer used for optical concentration photovoltaic and mechanical integration functionalities 3) Simple molded front optic 4) Can be employed on a flexible substrate/superstrate

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