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The research team led by Professor Gao Xiaoming of the Chinese Academy of Sciences Hefei Institute of Physical Sciences has improved the measurement accuracy of atmospheric greenhouse gases by using erbium-doped fiber amplifier assisted laser heterodyne radiometer.The study was published in the Journal of Optics and was selected as an editor's selection.LHR is renowned for its high sensitivity and...
Trumpf has developed a laser application to improve the safety of electric vehicles, which can be used for adhesive and coating preparation in battery production, as well as anti-corrosion of aluminum components. This not only enhances safety but also prevents rusting of the vehicle.“Selective surface processing with lasers is a clean and fast alternative to chemical processes in the automotive in...
近日,从江苏通用半导体有限公司传来消息,由该公司自主研发的国内首套的8英寸碳化硅晶锭激光全自动剥离设备正式交付碳化硅衬底生产领域头部企业广州南砂晶圆半导体技术有限公司,并投入生产。 图:8英寸SiC晶锭激光全自动剥离设备 该设备可实现6英寸和8英寸碳化硅晶锭的全自动分片,包含晶锭上料、晶锭研磨、激光切割、晶片分离和晶片收集,一举填补了国内碳化硅晶锭激光剥离设备领域研发、制造的市场空白,突破了国外的技术封锁,将极大地提升我国碳化硅芯片产业的自主化、产业化水平。 该设备年可剥离碳化硅衬底20000片,实现良率95%以上,与传统的线切割工艺相比,大幅降低了产品损耗,而设备售价仅仅是国外同类产品的1/3。 近年来,碳化硅功率器件在大功率半导体市场中所占的份额不断提高,并被广泛应用于新能源汽车、城市轨道交通、风力发电、高速移动、物联网等一系列领域...
A new automated method for spectral background estimation in laser spectroscopy ensures the accuracy of quantitative analysis with minimal human intervention.When using laser-induced breakdown spectroscopy in spectral analysis, scientists may encounter various obstacles. The most common challenge faced by scientists when conducting elemental analysis is to optimize the interaction between the lase...
Recently, Shanghai Jiao Tong University Wuxi Photon Chip Research Institute (CHIPX) located in Binhu District, Wuxi City, has achieved a breakthrough - the first 6-inch thin film lithium niobate photon chip wafer has been produced on China's first photon chip pilot line, and high-performance thin film lithium niobate modulator chips with ultra-low loss and ultra-high bandwidth have been mass-produ...