{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"在极低温下,我们对基于Nb/AlOx/Nb约瑟夫森结构成的超导磁通量子比特进行了测量,从粒子在双势阱的分布率和磁通的关系曲线中,分析得到了低频磁通噪声强度SФ(1Hz).进一步我们测量了在不同温度下的SФ(1Hz),结果表明在49.4mK到400mK温度区间,SФ(1Hz)随温度呈平方关系增长.","authors":[{"authorName":"丛山桦","id":"b4df8a2b-d9b4-4c5e-94d4-79e018556f6d","originalAuthorName":"丛山桦"},{"authorName":"王轶文","id":"0ba87d3b-d74c-4541-995e-dbbc4436ab5c","originalAuthorName":"王轶文"},{"authorName":"孙国柱","id":"748fbab0-1e88-4f55-85f4-578834764b14","originalAuthorName":"孙国柱"},{"authorName":"于扬","id":"b801985a-82a7-4d98-b85e-52a0c5ac16b5","originalAuthorName":"于扬"},{"authorName":"陈健","id":"372f56a6-0a48-4d47-8313-6af3024d6a81","originalAuthorName":"陈健"},{"authorName":"吴培亨","id":"5a5631e3-ea90-4bb2-8040-f72034993dd2","originalAuthorName":"吴培亨"}],"doi":"","fpage":"8","id":"cc0b99ca-7222-4434-ab8d-505c5808e2d2","issue":"1","journal":{"abbrevTitle":"DWWLXB","coverImgSrc":"journal/img/cover/DWWLXB.jpg","id":"19","issnPpub":"1000-3258","publisherId":"DWWLXB","title":"低温物理学报 "},"keywords":[{"id":"b37d9d58-4ba2-4e0d-a036-ac0871e32e65","keyword":"超导磁通量子比特","originalKeyword":"超导磁通量子比特"},{"id":"c726eb3a-7693-4766-bc10-30b692eb794c","keyword":"低频磁通噪声","originalKeyword":"低频磁通噪声"}],"language":"zh","publisherId":"dwwlxb201201002","title":"超导磁通量子比特低频磁通噪声的测量","volume":"34","year":"2012"},{"abstractinfo":"本文扼要介绍了我们研制成功的低频力学谱测试系统的原理与结构,并指出:力学谱(或力学耗散谱)能揭示材料的结构和缺陷的特征,能对材料的力、电、磁、光及其它性能进行深入探测,给出有益启示.该仪器对力学耗散谱最小分辨率达10-5,测量的最低频率达10-3Hz.本文着重讨论高Tc超导体磁通钉扎与力学谱的关系,在T以下,绝大部分已测得的力学谱峰(包括超声衰减突变和振动簧力学耗散峰)都属于滞弹性弛豫峰,由被钉扎的磁通线由热激活而运动.而真正用低频力学谱仪(现代的\"葛氏扭摆\")测量在Tc以下高Tc超导体力学谱实验尚未见报道.D.E.Farrell等在非孪生单晶的YBa2Cu3O7-δ试样(Tc=90K及其以上)使用扭摆磁量计来测量,在Tc以下扭动振荡频率1.1×10-1Hz和磁场2.3特情况下,峰温Tp=85K左右.但是这个实验结果所得出的峰温和频率的关系与相变峰的规律有矛盾.在Tc附近的力学谱峰的机理是有争议的,有待实验进一步证实.本文还探讨磁通钉扎与临界电流的关系.","authors":[{"authorName":"沈中城","id":"b2d887f9-b550-4eb7-83fa-62d00ec91784","originalAuthorName":"沈中城"},{"authorName":"陈小平","id":"2d77c43d-2694-414e-87a1-42f7b440df0f","originalAuthorName":"陈小平"}],"doi":"10.3969/j.issn.1000-3258.2005.z1.088","fpage":"849","id":"04348bd3-5685-4539-9cd2-8400d147b882","issue":"z1","journal":{"abbrevTitle":"DWWLXB","coverImgSrc":"journal/img/cover/DWWLXB.jpg","id":"19","issnPpub":"1000-3258","publisherId":"DWWLXB","title":"低温物理学报 "},"keywords":[{"id":"e2c47cc6-cce4-4fa8-a3c3-a464001266a7","keyword":"低频力学谱仪","originalKeyword":"低频力学谱仪"},{"id":"843e2ace-8e0c-4730-a159-30f9a42a7a52","keyword":"高Tc超导体","originalKeyword":"高Tc超导体"},{"id":"cc8f1d2a-4c9e-4ebe-9b67-7d0334c1faad","keyword":"磁通钉扎","originalKeyword":"磁通钉扎"},{"id":"20800730-c0d4-4e29-ade1-af4f1f02d0bd","keyword":"临界电流密度","originalKeyword":"临界电流密度"}],"language":"zh","publisherId":"dwwlxb2005z1088","title":"低频力学谱仪在高Tc超导体磁通钉扎研究中的应用","volume":"27","year":"2005"},{"abstractinfo":"红外探测器的低频噪声是制约器件能否应用于空间遥感的关键因素之一.本文测试了典型的铟镓砷(InGaAs)红外探测器的低频噪声,测试结果表明器件的Hooge系数αH=2×10-5~7×10-5,噪声拐点较大.讨论了暗电流与器件低频噪声的关系,比较了不同钝化工艺研制的器件的低频噪声,结果表明通过加强表面钝化工艺可有效地降低器件的低频噪声.","authors":[{"authorName":"黄杨程","id":"ef650a2a-e480-4dcd-b8c4-15b2d538b814","originalAuthorName":"黄杨程"},{"authorName":"梁晋穗","id":"615ee6ab-e8d2-44e2-959f-cd670cfbff6a","originalAuthorName":"梁晋穗"},{"authorName":"张永刚","id":"8490d300-3df5-4de7-a1fe-af0f67d69895","originalAuthorName":"张永刚"},{"authorName":"刘大福","id":"1585b070-956a-491d-b62b-4218aa6e6656","originalAuthorName":"刘大福"},{"authorName":"庄春泉","id":"5a7ef6cf-04b0-4787-a0cb-3307f269ba58","originalAuthorName":"庄春泉"},{"authorName":"李萍","id":"7f0b3169-1c4f-4e48-b5d9-10d3ea211de6","originalAuthorName":"李萍"},{"authorName":"龚海梅","id":"014eed2a-b310-4170-96d3-08aac89013d5","originalAuthorName":"龚海梅"}],"doi":"","fpage":"3397","id":"d2195793-c7de-486f-bc3d-b13642c9f29e","issue":"z1","journal":{"abbrevTitle":"GNCL","coverImgSrc":"journal/img/cover/GNCL.jpg","id":"33","issnPpub":"1001-9731","publisherId":"GNCL","title":"功能材料"},"keywords":[{"id":"bc3bc05f-e2b9-40ed-9075-42f19d77c2e9","keyword":"红外探测器","originalKeyword":"红外探测器"},{"id":"805ebfdc-56a4-4e53-aa71-60ed730c1296","keyword":"低频噪声","originalKeyword":"低频噪声"},{"id":"77299e15-14bd-4c0b-9b22-1361233a08a3","keyword":"空间遥感","originalKeyword":"空间遥感"}],"language":"zh","publisherId":"gncl2004z1953","title":"InGaAs红外探测器低频噪声研究","volume":"35","year":"2004"},{"abstractinfo":"基于MEMS技术的微型磁通门式磁敏感器是磁场测量技术和微机电系统(MEMS)技术交叉研究领域的一个热点,在航空航天领域特别是在纳型/皮型卫星技术中有着重要的应用.本文介绍了该类磁敏感器所运用的磁通门效应的原理.从磁芯、线圈和整体结构布局等方面分析了现有的各种微型磁通门式磁敏感器的结构特征.并依据磁通门原理和各种微型磁通门式磁敏感器的结构特点,设计了一种两轴微型磁通门式磁敏感器.这种新型的磁敏感器具有对称结构、闭合磁路、差动形式、柔性连接等显著特点.","authors":[{"authorName":"杨建中","id":"9806fd84-eb70-4e79-9a59-02189fca603d","originalAuthorName":"杨建中"},{"authorName":"尤政","id":"9b500d1f-da20-47da-a5a1-2ff8f1314d4e","originalAuthorName":"尤政"},{"authorName":"刘刚","id":"f53962cc-7487-4781-989b-f5d4a07aa227","originalAuthorName":"刘刚"},{"authorName":"康春磊","id":"93da635d-341f-4510-afc0-44ad53b70729","originalAuthorName":"康春磊"},{"authorName":"田扬超","id":"6f410f8b-dfeb-42c3-aa97-141d47ef69f8","originalAuthorName":"田扬超"}],"doi":"10.3969/j.issn.1007-4252.2008.02.007","fpage":"313","id":"c5316752-db04-4821-8217-72bcc025c1f7","issue":"2","journal":{"abbrevTitle":"GNCLYQJXB","coverImgSrc":"journal/img/cover/GNCLYQJXB.jpg","id":"34","issnPpub":"1007-4252","publisherId":"GNCLYQJXB","title":"功能材料与器件学报 "},"keywords":[{"id":"2d2e310f-5e5c-4423-b304-9eba8906bfad","keyword":"微机电系统(MEMS)","originalKeyword":"微机电系统(MEMS)"},{"id":"296ef3ef-b0dc-4950-be33-cf80c5ddf929","keyword":"磁通门","originalKeyword":"磁通门"},{"id":"28b7b75d-85a3-4f43-8a8b-43eb1d59581f","keyword":"磁传感器","originalKeyword":"磁传感器"},{"id":"b1a8d30e-503c-47df-b1c0-402881f86cf7","keyword":"传感器设计","originalKeyword":"传感器设计"}],"language":"zh","publisherId":"gnclyqjxb200802007","title":"微型磁通门式磁敏感器(MEMSMag)","volume":"14","year":"2008"},{"abstractinfo":"数值计算了Ⅱ类超导体(T=0K)中磁通在洛伦兹力作用下的运动和噪声.结果表明,宽带噪声出现在塑性流动区域和磁通排序区域,它是由磁通之间流动的耗散引起的;窄带噪声出现在磁通的有序区域和运动布喇格相,它是由几乎具有相同速度运动的周期性磁通与钉扎之间的相互作用而引起的周期性速度调制所产生的.","authors":[{"authorName":"刘旭东","id":"f7ad687a-17b9-429e-9139-d4ff834be657","originalAuthorName":"刘旭东"}],"doi":"10.3969/j.issn.1000-3258.2003.03.012","fpage":"222","id":"455c2581-90f8-459c-9372-727cb2099089","issue":"3","journal":{"abbrevTitle":"DWWLXB","coverImgSrc":"journal/img/cover/DWWLXB.jpg","id":"19","issnPpub":"1000-3258","publisherId":"DWWLXB","title":"低温物理学报 "},"keywords":[{"id":"526615d7-3a69-47ba-aaba-db72563fd579","keyword":"Ⅱ类超导体","originalKeyword":"Ⅱ类超导体"},{"id":"d536ad1f-8343-4c83-89b7-80857354e4c8","keyword":"磁通","originalKeyword":"磁通"},{"id":"b10f4462-b55b-489a-9e82-b7ca331bd056","keyword":"噪声功率","originalKeyword":"噪声功率"}],"language":"zh","publisherId":"dwwlxb200303012","title":"Ⅱ类超导体中的磁通运动和电压噪声","volume":"25","year":"2003"},{"abstractinfo":"对两种不同结构的中波碲镉汞光导红外探测器件的噪声进行了测量,发现叠层结构器件的低频噪声比具有简单结构器件的大.针对叠层结构,提出了用来分析噪声的边缘接触不对称MIS结构模型.分析表明,叠层电极下的碲镉汞表面在偏置电压作用下,容易出现耗尽层是低频噪声增加的主要原因.","authors":[{"authorName":"张燕","id":"229034cb-76db-436e-bf5f-8fc3057338c9","originalAuthorName":"张燕"},{"authorName":"方家熊","id":"743a6257-cb74-4859-b238-5bb25062c59e","originalAuthorName":"方家熊"}],"doi":"10.3969/j.issn.1007-4252.2004.03.025","fpage":"391","id":"35ebea64-220c-471c-a15e-0055e7374e9f","issue":"3","journal":{"abbrevTitle":"GNCLYQJXB","coverImgSrc":"journal/img/cover/GNCLYQJXB.jpg","id":"34","issnPpub":"1007-4252","publisherId":"GNCLYQJXB","title":"功能材料与器件学报 "},"keywords":[{"id":"307154d0-68b8-4492-9eed-27c0aa793344","keyword":"碲镉汞","originalKeyword":"碲镉汞"},{"id":"c2e979cb-6bd5-4d62-bc39-25d9d7a5554d","keyword":"探测器","originalKeyword":"探测器"},{"id":"a1f87094-240f-4d14-9d7e-236050736beb","keyword":"叠层结构","originalKeyword":"叠层结构"},{"id":"80a519d6-450f-4acb-abd6-4d044f6b3e06","keyword":"低频噪声","originalKeyword":"低频噪声"}],"language":"zh","publisherId":"gnclyqjxb200403025","title":"中波碲镉汞边缘接触不对称MIS结构的低频噪声","volume":"10","year":"2004"},{"abstractinfo":"为了便于对DCSQUID及其应用电路进行分析,在Wrspice中建立了DcSQUID的电路仿真模型,并与经典文献进行了比对验证.与通过数值方法求解系统微分方程的计算过程相比,本模型更为方便、直观.文章首先简述了IX;SQUID磁通检测系统的检测原理,然后在Wrspice中建立了DCSQUID磁通检测系统的磁通锁定环电路模型,进而仿真得到了磁通锁定环积分器输出电压随外加磁通量的响应.本文结果有助于实现DCSQUID电路的系统级仿真,为参数优化提供依据,具有一定的参考价值.","authors":[{"authorName":"李利城","id":"5822e798-cbb9-4c9d-a831-bb1055a37f48","originalAuthorName":"李利城"},{"authorName":"官伯然","id":"5a7e38ae-5ccd-4b0d-8892-c602e7b161db","originalAuthorName":"官伯然"}],"doi":"","fpage":"451","id":"0d286864-57b3-426b-89f3-cb9002ceeb77","issue":"6","journal":{"abbrevTitle":"DWWLXB","coverImgSrc":"journal/img/cover/DWWLXB.jpg","id":"19","issnPpub":"1000-3258","publisherId":"DWWLXB","title":"低温物理学报 "},"keywords":[{"id":"6053bce0-9cca-4949-b650-0b8453106db4","keyword":"磁通检测","originalKeyword":"磁通检测"},{"id":"19469c90-1308-4771-a978-1afb95deb2ce","keyword":"DC","originalKeyword":"DC"},{"id":"0e7defdc-b9ec-42c2-beb1-5024a0a285f6","keyword":"SQUID","originalKeyword":"SQUID"},{"id":"58f7b888-7e3e-412d-8c10-fb9c78f2bf0d","keyword":"仿真","originalKeyword":"仿真"},{"id":"cec2d41a-42f4-484a-9c72-da07087da9ef","keyword":"Wrspice","originalKeyword":"Wrspice"}],"language":"zh","publisherId":"dwwlxb201206012","title":"DCSQUID磁通检测系统仿真研究","volume":"34","year":"2012"},{"abstractinfo":"在无光照条件下测量背栅时,部分半绝缘砷化镓材料呈现明显低频振荡.对振荡特性进行了初步研究,并观察了振荡对GaAsMESFET噪声性能的影响.实验结果表明了采用不同低频振荡特性的材料制备器件时,其噪声性能也有差别.","authors":[{"authorName":"张绵","id":"0ecc32ef-ede1-4e25-9a87-4a52eec85ffc","originalAuthorName":"张绵"},{"authorName":"王云生","id":"17ff4880-4cb6-4d7c-957e-67739ed620fa","originalAuthorName":"王云生"},{"authorName":"李岚","id":"e96b164c-afa8-4e11-9fbc-208f91a4ede1","originalAuthorName":"李岚"},{"authorName":"白锡巍","id":"e8c5efbf-907f-4a6f-b4c4-b26268f6f2c9","originalAuthorName":"白锡巍"}],"doi":"10.3969/j.issn.1007-4252.2000.03.017","fpage":"197","id":"9b0f9ee5-6fd4-4de0-882c-9cb4b17de5eb","issue":"3","journal":{"abbrevTitle":"GNCLYQJXB","coverImgSrc":"journal/img/cover/GNCLYQJXB.jpg","id":"34","issnPpub":"1007-4252","publisherId":"GNCLYQJXB","title":"功能材料与器件学报 "},"keywords":[{"id":"d47bc18b-1c97-4dae-81b1-f5ab404e5d3c","keyword":"半绝缘GaAs","originalKeyword":"半绝缘GaAs"},{"id":"12e51575-6f10-4319-945f-fd82c923c1e9","keyword":"低频振荡","originalKeyword":"低频振荡"},{"id":"e42bfe5a-7905-48aa-99e1-0b02c39e5eca","keyword":"噪声","originalKeyword":"噪声"}],"language":"zh","publisherId":"gnclyqjxb200003017","title":"半绝缘砷化镓中的低频振荡及其对FET噪声性能的影响","volume":"6","year":"2000"},{"abstractinfo":"磁通泵是给超导磁体供电的装置.本文主要介绍磁通泵的国内外发展情况,论述磁通泵的运行原理,计算磁通泵的运行参数和运行损耗.","authors":[{"authorName":"马海宝","id":"e06dadbe-fd70-4eb6-abef-4928e45d77e9","originalAuthorName":"马海宝"},{"authorName":"戴银明","id":"73cf41c0-230a-4463-828e-8d90ec08ba9b","originalAuthorName":"戴银明"},{"authorName":"王秋良","id":"d8ac5580-a4d1-43b8-b3ec-66c9265a2c46","originalAuthorName":"王秋良"},{"authorName":"余运佳","id":"fa5aadde-e4ef-4ae4-9b8e-71244acdf8eb","originalAuthorName":"余运佳"}],"doi":"10.3969/j.issn.1000-3258.2008.01.010","fpage":"49","id":"79166dab-fb8d-41c9-8115-1dc91b791563","issue":"1","journal":{"abbrevTitle":"DWWLXB","coverImgSrc":"journal/img/cover/DWWLXB.jpg","id":"19","issnPpub":"1000-3258","publisherId":"DWWLXB","title":"低温物理学报 "},"keywords":[{"id":"306ffd21-a5a0-401f-b174-db34a04b0061","keyword":"超导磁体","originalKeyword":"超导磁体"},{"id":"123908d2-5765-4424-93c6-b98567fbb638","keyword":"电流引线","originalKeyword":"电流引线"},{"id":"1c630c23-c1e1-41a2-9b50-091325a26430","keyword":"磁通泵","originalKeyword":"磁通泵"},{"id":"3fe3cefa-e5da-4025-afe8-d5a1c5cb06c2","keyword":"超导变压器","originalKeyword":"超导变压器"},{"id":"f12fb7e3-2e1a-4e9a-8232-1f47eb7843ce","keyword":"超导开关","originalKeyword":"超导开关"}],"language":"zh","publisherId":"dwwlxb200801010","title":"超导磁体的磁通泵供电原理研究","volume":"30","year":"2008"},{"abstractinfo":"通过光电反馈电路对掺铒光纤激光器的中低频噪声进行了抑制.根据速率方程理论,分析了影响掺铒光纤激光器强度噪声的因素,通过电路仿真分析优化反馈电路参数,重点讨论反馈信号的相位对噪声抑制的影响.实验表明:激光器的低频(小于20kHz)强度噪声平均降低了10dB,中频弛豫振荡峰处(30kHz附近)抑制达35dB,并且克服了光电反馈抑制强度噪声使弛豫振荡峰向高频移动,导致高频噪声增大的问题.优异的噪声特性使光纤激光器在光传感领域具有很高的实用价值.","authors":[{"authorName":"张飞","id":"d676f319-185c-4728-99d9-3a307eb59561","originalAuthorName":"张飞"},{"authorName":"朱军","id":"92221af8-78f4-45cd-8f43-238f487b4586","originalAuthorName":"朱军"},{"authorName":"汪辉","id":"5b66a6cc-4e45-4511-b443-e99ccf7d9ce9","originalAuthorName":"汪辉"},{"authorName":"杨珂","id":"a0397e35-0934-4f15-b171-246826a1a25e","originalAuthorName":"杨珂"},{"authorName":"马良川","id":"9507cf40-d61c-4d30-a7ed-2645294961a7","originalAuthorName":"马良川"},{"authorName":"俞本立","id":"d7813a04-f61d-4139-8eca-9c4385f8763f","originalAuthorName":"俞本立"}],"doi":"10.3969/j.issn.1007-5461.2012.03.009","fpage":"311","id":"beb8ba55-7e32-4172-9dfc-06dee488860a","issue":"3","journal":{"abbrevTitle":"LZDZXB","coverImgSrc":"journal/img/cover/LZDZXB.jpg","id":"53","issnPpub":"1007-5461","publisherId":"LZDZXB","title":"量子电子学报 "},"keywords":[{"id":"93f59a10-ea85-4151-85e8-8c48735b0af3","keyword":"激光技术","originalKeyword":"激光技术"},{"id":"7db36f56-8f73-4726-b10a-424c37c8b997","keyword":"掺铒光纤激光器","originalKeyword":"掺铒光纤激光器"},{"id":"2fcbf9c6-6f4d-4094-aec4-156ab3daf788","keyword":"强度噪声","originalKeyword":"强度噪声"},{"id":"8286950a-c57f-467a-b181-96988c134c39","keyword":"光电反馈","originalKeyword":"光电反馈"}],"language":"zh","publisherId":"lzdzxb201203009","title":"光电反馈抑制掺铒光纤激光器的低频强度噪声","volume":"29","year":"2012"}],"totalpage":693,"totalrecord":6928}