Tohoku University Technology: Holographic optical element and its manufacturing method: T17-106
Conversion of depth information linearly into planar information!
In 3D imaging, it is important to effectively encode z information, which is the image formation displacement of the target object, into XY information, which is displacement from the optical axis of the image surface. On the other hand, in single-pixel imaging using only a single detector, it is important to encode in efficient manner the XY information of the target into the time information. However, the conventional encoding method has a limit on distance resolution, imaging distance range, z information decoding accuracy and encryption uniqueness. This invention provides a new and improved hologram optical element, its manufacturing method and an optical device able to mutually convert Z & XY information with simple configuration. This invention is able to realize high accuracy and high spatial resolution for high-speed 3D imaging (patent US10816474) by converting the object depth direction information of the optical detection system into the planar direction information at the detecting surface.
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The revenue generated from technology transfer is reinvested as new research funding for universities and researchers, and is utilized to create further research outcomes. To ensure the smooth operation of this cycle, known as the "Intellectual Creation Cycle," we will vigorously promote technology transfer. The types of seeds we handle include patents, know-how, databases, and programs. We have established a collaborative framework by signing basic technology transfer agreements with the following universities (as of June 1, 2025): Tohoku University, Hirosaki University, Iwate University, Akita University, Fukushima University, Yamagata University, Tohoku Gakuin University, Iwate Medical University, Fukushima Medical University, Aizu University, Miyagi University, Hokkaido University, Muroran Institute of Technology, and Showa Medical University.
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