People are always eager to obtain clear imaging results through some turbid media, so a variety of methods have been developed to filter out noise and.
Government incentives boost growth in tech companies By CHEN JIA in Xi an, Shaanxi | China Daily | Updated: 2021-07-26 09:23 Share CLOSE An aerial view of Xi an, capital of Shaanxi province, with the Dayan Pagoda in front, and in the background is the Tang Paradise－a theme park in the fashion of a royal garden of the Tang Dynasty (618-907), which had its capital in Xi an. [Photo provided to China Daily]
Government-led investment and preferential tax policies can be the key driving forces of technology development in China, while policymakers are continually innovating on financing measures, analysts said.
In the past few years, how to effectively leverage the government s fiscal expenditure and promote technology innovation has become one of the major tasks for officials of the financial department in Northwest China s Shaanxi province.
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Chinese Academy of Sciences
To fabricate micro/nano structures on metal surfaces, various technologies have been proposed, including chemical etching, mechanical grooving, reactive ion etching, and long-pulse laser processing.
Ultrafast laser manufacturing technology is one of the relatively ideal technologies for fabricating light-trapping structure surfaces. However, to simply and effectively achieve broadband effectiveness and ultralow average reflectivity performance on metal surfaces still remains challenging.
A research team led by Prof. LIU Hongjun from Xi’an Institute of Optics and Precision Mechanics (XIOPM) of the Chinese Academy of Sciences (CAS) proposed an effective and simple method for fabricating the micro/nano hybrid structures on metal surfaces by adjusting femtosecond laser fluence, scanning interval, and polarization.