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Optical sensor
Lithography, microscopy
Graphene, liquid crystal material
Optical remote sensing
 imaging
Holographic and 3D display
Spectral imaging
Photoelectric materials and devices
Solar cell
Photovoltaic technology
Optical fiber communication
Photoelectric system
Wireless communication, data transmission
Image processing, intelligent algorithms
Electromagnetic and electromagnetic fields
Photoelectric detection and signal processing

Internet of Things
Analog electronics
Digital electronic technology