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The research team used a new reverse design framework to demonstrate ultra optical broadband thermal imaging for applications ranging from consumer electronics to thermal sensing and night vision.The new framework, known as the "Modulation Transfer Function" project, solves the challenges related to broadband metaoptics by determining the functional relationship between image contrast and spatial ...
Recently, a research group led by Professor Gao Xiaoming and Professor Liu Kun of the Chinese Academy of Sciences Hefei Institute of Physical Sciences developed a concentration independent pressure sensing method based on two-color laser absorption spectrum for high-temperature combustion diagnosis.The research findings are published in Optics Letters.Aircraft engines are developing towards high-t...
Ultra short laser pulses for local welding (Source: Fraunhofer IOF)With the accelerated evolution of electronic devices towards high power, high frequency, and miniaturization, ceramic substrates have become core materials in fields such as power semiconductors, 5G communications, and new energy vehicles due to their excellent thermal conductivity, insulation, and high temperature resistance. H...
Researchers from Materials Science at Harbin Institute of Technology, Zhengzhou Research Institute at Harbin Institute of Technology, and Key Laboratory of Microsystems and Microstructure Manufacturing at Harbin Institute of Technology, Ministry of Education, reviewed and reported on the research progress of laser surface cleaning of carbon fiber reinforced polymer composites (CFRP). The relevant ...
The ocean covers over 71% of the Earth's surface, and so far humans have only explored about 5% of the ocean. This means that there are still 95% of the depths of the ocean that we know nothing about, making it the most mysterious and unknown place on our planet.600 years ago, Zheng He led a fleet to play the prelude to the era of great navigation, laying the foundation for us to understand the wo...