Shulou(Shulou.com)11/24 Report--

Thank you CTOnews.com netizen Mr. Aviation for the clue delivery! CTOnews.com March 14 news, according to Anhui University financial media center news, December 31,2022, Anhui University completely independently developed ultra-low temperature dilution refrigerator for quantum computing, after repeated rigorous testing, continuous cycle operation minimum temperature reached 9.2mK (CTOnews.com Note: K refers to Kelvin, 0K is-273.15℃ absolute zero), and at the same time, the refrigeration capacity of 435μW@100mK,671μW@120mK has reached the level of international mainstream products, meeting the temperature and refrigeration requirements of quantum computing.

Anhui University said that the successful research and development of the equipment marks that China has fully mastered the key core technology of ultra-low temperature dilution refrigerator for quantum computing, and has lifted the "neck" situation that China has been controlled by others for a long time in relevant fields.

▲ According to introduction, the ultra-low temperature dilution refrigerator is a high-end scientific research instrument capable of providing a low temperature environment close to absolute zero. It is one of the key core equipment for modern quantum science research and quantum technology development. It is widely used in the exploration of quantum functional materials and devices and novel quantum phenomena, providing the necessary ultra-low temperature environment for quantum computers. At present, our ultra-low temperature dilution refrigerator for quantum computing completely depends on imports from Britain, the United States, Finland, the Netherlands and other countries. With the increasingly fierce competition in high-tech fields such as quantum computing, the equipment has gradually become an embargo product to curb China's scientific and technological development. Therefore, our country urgently needs the ultra low temperature dilution refrigerator with independent intellectual property rights and complete localization.

Researcher Wang Shaoliang of Professor Shan Lei of Institute of Material Science and Information Technology of Anhui University has solved the technical problem of low heat exchange efficiency of extremely low temperature fluid under large molar flow condition through several rounds of hard work by taking advantage of the "double-first-class" discipline advantage of materials science and engineering of Anhui University, developed extremely low temperature and efficient heat exchange components with super large specific surface area, and realized completely independent research and development of relevant core components.

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