20250180469. Optical Integrated Chip (AP Infosense Limited)
OPTICAL INTEGRATED CHIP AND HIGH RESOLUTION LOW-COST INTEGRATED HANDHELD MINIATURE SPECTROMETER
Abstract: an optical integrated chip (a,b,c) integrated with a silicon substrate(s) includes a wavelength multiplexer/demultiplexer (a,b,c), a first light guiding element (), and a plurality of second light guiding elements (). the wavelength multiplexer/demultiplexer (a,b,c) has a first and a second optical coupling regions (c,c) opposite to each other. the first light guiding element () is optically coupled to the wavelength multiplexer/demultiplexer (a,b,c) through the first optical coupling region (c) thereof. the plurality of second light guiding elements () optically coupled to the wavelength multiplexer/demultiplexer (a,b,c) through the second optical coupling region (c) thereof. in addition, a high resolution low-cost integrated handheld miniature spectrometer system is also provided.
Inventor(s): Zunyue ZHANG, Hon Ki TSANG
CPC Classification: G01N21/31 (INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing processes other than immunoassay, involving enzymes or microorganisms , ))
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