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用X射线双晶衍射法测量了x=0.273、晶向为[110]的碲镉汞晶体在切、磨过程中引入的加工损伤,测出了在切割、M5金刚砂研磨过程中产生的损伤层厚度分别为4μm~7#m、12μm~20μm,并测出在碲锅汞晶体中存在大量取向差为90"~810"之间的亚晶块. 相似文献
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随着数据、图文、多媒体通信的飞速发展,通信核心网已经进入了数字化、高速化、宽带化的时代,而传统的对称电缆的接入部分成为制约现代通信发展的瓶颈,因此提出了对称电缆接入网的解决方案。 相似文献
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Multiplexing technology based on SQUID for readout of superconducting transition-edge sensor arrays
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Multiplexing technologies based on superconducting quantum interference devices (SQUIDs) are crucial to cryogenic readout of superconducting transition-edge sensor (TES) arrays. Demands for large-scale TES arrays promote the development of multiplexing technologies towards large multiplexing factors and low readout noise. The development of multiplexing technologies also facilitates new applications of TES arrays in a wide range of frequencies. Here we summarize different types of SQUID-based multiplexing technologies including time-division multiplexing, code-division multiplexing, frequency-division multiplexing and microwave SQUID multiplexing. The advances and parameter constraints of each multiplexing technology are also discussed. 相似文献
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Resonators in circuit quantum electrodynamics systems naturally carry multiple modes, which may have non-negligible influence on qubit parameters and device performance. While new theories and techniques are under investigation to deal with the multi-mode effects in circuit quantum electrodynamics systems, researchers have proposed novel engineering designs featuring multi-mode resonators to achieve enhanced functionalities of superconducting quantum processors. Here, we propose multi-mode bus c... 相似文献
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