{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"偶氮掺杂液晶具有非常强的三阶光学非线性,其非线性机理包括光致热效应等多种物理机理.为了测量偶氮掺杂液晶三阶光学非线性,本文采用非线性干涉,定量测量了波长632.8 nm下,光强变化所引起的折射率改变.为了测量得到热效应对掺杂液晶非线性的贡献,我们提出了温度等效法,通过在暗室中加热掺杂液晶样品产生与光照时相同的温度变化,模拟出等效的热效应,从而将热效应从多种非线性机理中单独区分出来;通过测量此时的折射率改变,以及对应的温度和光强变化,得到了热效应导致的光学非线性.为了提高非线性干涉方法的灵敏度和消除环境震动带来的误差,本文采用了干涉的方法,使得测量精确性大为提高.测量结果表明:在波长632.8 nm下,掺杂液晶三阶非线性系数n2为0.268 cm2/W,其中热效应的贡献为0.091 cm2/W.","authors":[{"authorName":"周鹏程","id":"ce077abe-feb7-4cfb-a7d3-4ab561c2b4c6","originalAuthorName":"周鹏程"},{"authorName":"李燕","id":"b04f3612-1e01-4fc0-8bc1-84af629bfbc9","originalAuthorName":"李燕"},{"authorName":"陈超平","id":"e657d393-58c5-4b4a-b54d-862c4c15f894","originalAuthorName":"陈超平"},{"authorName":"李潇","id":"f4aa01da-7594-4cef-9f45-d9c2b9b07225","originalAuthorName":"李潇"},{"authorName":"刘澍鑫","id":"42ee380d-34b0-444d-8547-197128ed52ba","originalAuthorName":"刘澍鑫"},{"authorName":"袁亚超","id":"fc9adbe7-1753-4e6c-b517-58304819ccb4","originalAuthorName":"袁亚超"},{"authorName":"荣娜","id":"1592be03-5f45-4701-bbe6-8b2267f853ce","originalAuthorName":"荣娜"},{"authorName":"黄帅佳","id":"17132793-0ce8-464d-9cda-7c3fbfb356c9","originalAuthorName":"黄帅佳"},{"authorName":"王科宇","id":"d1cf45d0-a443-4f89-9a09-b6d117095c64","originalAuthorName":"王科宇"}],"doi":"10.3788/YJYXS20163102.0131","fpage":"131","id":"c9b37222-6272-4aec-ab1c-5cd3114fa13e","issue":"2","journal":{"abbrevTitle":"YJYXS","coverImgSrc":"journal/img/cover/YJYXS.jpg","id":"72","issnPpub":"1007-2780","publisherId":"YJYXS","title":"液晶与显示 "},"keywords":[{"id":"f7458226-e27b-472b-b48e-459974c15181","keyword":"三阶非线性效应","originalKeyword":"三阶非线性效应"},{"id":"4aeef676-50f6-40c2-9488-4aa58731ec5a","keyword":"偶氮掺杂液晶","originalKeyword":"偶氮掺杂液晶"},{"id":"e8a0a252-61ac-4af3-ba02-3b8932ff1c52","keyword":"热效应","originalKeyword":"热效应"},{"id":"b89ab644-80ae-4c86-b885-35df6f56db91","keyword":"温度等效法","originalKeyword":"温度等效法"},{"id":"a0304695-0b8f-4e78-850a-1dcfeab30653","keyword":"干涉","originalKeyword":"双路干涉法"}],"language":"zh","publisherId":"yjyxs201602002","title":"偶氮掺杂液晶中热致光学非线性的测量","volume":"31","year":"2016"},{"abstractinfo":"用Feynman泛函积分(路径积分)方法分析了电子干涉,结论与光的干涉完全一致.在将Vierbein表述的局域Lorentz群引力规范理论、狭义相对论(SR)与量子论协调成统一体系的基础上,澄清了对电子干涉的众说纷纭的诠释.","authors":[{"authorName":"青心","id":"50fd0a0e-c613-46c5-9844-7f58ac850e71","originalAuthorName":"青心"}],"doi":"10.3969/j.issn.1007-5461.2001.03.002","fpage":"198","id":"54131a15-2399-4ff1-b2c3-6ebae641658a","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":"028cd16c-dfac-42b1-ac27-df34687d89cf","keyword":"泛函积分","originalKeyword":"泛函积分"},{"id":"42e991b0-fb38-4e14-8bb7-310d76bd072d","keyword":"干涉","originalKeyword":"双缝干涉"},{"id":"b5a7d8d2-cf87-42ae-ad13-1107b58af988","keyword":"引力规范理论","originalKeyword":"引力规范理论"},{"id":"fa180b14-bad8-49f4-9d81-0849a26cd27a","keyword":"度规波","originalKeyword":"度规波"},{"id":"3a6dc752-dc89-4b0b-b4c9-590bfc8cf1ba","keyword":"诠释","originalKeyword":"诠释"}],"language":"zh","publisherId":"lzdzxb200103002","title":"电子干涉的量子理论","volume":"18","year":"2001"},{"abstractinfo":"提出了一种结构紧凑的基于布里-珀罗干涉仪(FPI)和光纤布拉格光栅(FBG)的参量光纤传感器,实现了对应变和温度的同时测量.将一段端面被腐蚀过的多模光纤(MMF)与一小段光敏光纤(PSF)熔接形成FPI.PSF的平整端面作为FPI的一个反射面, FBG被刻写在PSF中.实验测得FPI和FBG对应变的灵敏度分别为8.63 pm/με和1.11 pm/με,对温度的灵敏度分别为-1.60 pm/℃和9.75 pm/℃.由于FBG和FPI对应变和温度分别有不同的灵敏度,组合起来可以实现对参量的同时测量.实验结果表明传感器同时进行应变和温度测量时的最大误差分别为6.72 με和0.98℃.","authors":[{"authorName":"王坤","id":"37bb2af2-39c7-4c51-a225-f5a34d7d2b0f","originalAuthorName":"王坤"},{"authorName":"俞本立","id":"38de9702-78f6-47db-ba11-4899226a91af","originalAuthorName":"俞本立"}],"doi":"10.3969/j.issn.1007-5461.2016.05.015","fpage":"604","id":"95d7200e-1963-4c39-bd03-4c0d73a79baa","issue":"5","journal":{"abbrevTitle":"LZ","coverImgSrc":"journal/img/cover/LZ.jpg","id":"52","issnPpub":"1005-4006","publisherId":"LZ","title":"连铸"},"keywords":[{"id":"92076b98-8766-40b7-b239-9653a2ced9a3","keyword":"纤维与波导光学","originalKeyword":"纤维与波导光学"},{"id":"a8e4eccb-2434-44a2-acc3-d6048d3ddce4","keyword":"应变和温度测量","originalKeyword":"应变和温度测量"},{"id":"22d0dfec-b8d2-46dc-9d1f-20db448d1998","keyword":"布里-珀罗干涉仪","originalKeyword":"法布里-珀罗干涉仪"},{"id":"e9c0bfbe-89f3-485e-a73f-970c2b2f24c6","keyword":"光纤布拉格光栅","originalKeyword":"光纤布拉格光栅"}],"language":"zh","publisherId":"lzdzxb201605015","title":"基于布里-珀罗干涉仪和光纤布拉格光栅的参量光纤传感器","volume":"33","year":"2016"},{"abstractinfo":"在常温常压条件下,使用激光相位多普勒分析仪PDA(Phase Dopplor Analyzer)对某型离心式喷嘴的雾化特性进行了试验研究.测量了不同工况下的喷雾特性参数,通过喷雾液滴粒子的索太尔平均直径SMD、通量及粒子速度等量的变化规律分析了喷嘴的喷雾特性.","authors":[{"authorName":"张征","id":"a70dcf60-cbe1-4de9-acc7-c18f86eb776e","originalAuthorName":"张征"},{"authorName":"樊未军","id":"0817283a-3fe7-4cef-950d-7cf64c4b7331","originalAuthorName":"樊未军"},{"authorName":"杨茂林","id":"629d3cf1-7385-4023-b0d0-6a1ea4f55457","originalAuthorName":"杨茂林"}],"doi":"","fpage":"153","id":"5f80ab19-dd31-45a7-8899-c01905e801ba","issue":"1","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报 "},"keywords":[{"id":"5d0d2a7b-714b-447b-88ed-43fc7432bae7","keyword":"离心式喷嘴","originalKeyword":"双路离心式喷嘴"},{"id":"6509a521-a8fd-4a73-8082-80f96900bffa","keyword":"PDA","originalKeyword":"PDA"},{"id":"d02bc28c-404e-4b6b-8867-8b22e7851c65","keyword":"雾化特性","originalKeyword":"雾化特性"}],"language":"zh","publisherId":"gcrwlxb200301047","title":"离心式喷嘴雾化特性研究","volume":"24","year":"2003"},{"abstractinfo":"针对当前市场上对视频监控系统的需求,设计并实现了一种基于FPGA和ARM11的远程视频监控系统.该系统通过两个SAA7111A芯片接收解码两CVBS信号,并在FPGA的控制下将两信号合成一传输给ARM11模块.ARM11模块将接收到的视频流打包压缩后发送到IP网上,客户端通过网络连接获取两监控画面.经过测试表明,该系统性能稳定,能够实现视频信号的稳定播放,符合视频产品的设计要求.","authors":[{"authorName":"张秋林","id":"fc84ae68-7178-436a-bef5-3ef68bae3b43","originalAuthorName":"张秋林"},{"authorName":"夏靖波","id":"d520b700-c7d0-404b-a3c7-f9135bdef878","originalAuthorName":"夏靖波"},{"authorName":"邱婧","id":"615a742f-04e3-4386-9fbb-44f0c2348f0d","originalAuthorName":"邱婧"},{"authorName":"胡图","id":"ff1c0a11-ef38-413e-a6d5-841a33e40039","originalAuthorName":"胡图"}],"doi":"10.3788/YJYXS20112606.0780","fpage":"780","id":"9a83b85b-6b12-4305-b4b7-614d88a8cb7e","issue":"6","journal":{"abbrevTitle":"YJYXS","coverImgSrc":"journal/img/cover/YJYXS.jpg","id":"72","issnPpub":"1007-2780","publisherId":"YJYXS","title":"液晶与显示 "},"keywords":[{"id":"ec01ec02-63e0-4560-8525-ee8ae9b3268e","keyword":"ARM","originalKeyword":"ARM"},{"id":"6f2757b7-e202-4b10-9637-a32042df7275","keyword":"FPGA","originalKeyword":"FPGA"},{"id":"da064dfb-ed91-4112-b7ab-d6333ca3bfaf","keyword":"视频采集","originalKeyword":"视频采集"},{"id":"23e5f39f-679a-402b-9f65-da6362d6b761","keyword":"ITU-R BT. 656","originalKeyword":"ITU-R BT. 656"},{"id":"bb27909f-21e9-4a01-8ce7-4317f5e4ba27","keyword":"SAA7111A","originalKeyword":"SAA7111A"}],"language":"zh","publisherId":"yjyxs201106013","title":"基于ARM和FPGA的远程视频监控系统设计","volume":"26","year":"2011"},{"abstractinfo":"通过实验与数值模拟方法开展了离心式喷嘴的研究.实验测量了喷嘴主、副油路在不同压力下的雾化锥角与流量特性,拍摄了喷嘴在典型工况下的喷雾场照片.数值模拟采用VOF(Volume-of-Fluid)两相流模型来模拟喷嘴内气液两相流流动,较好地模拟出喷嘴内的空气涡与喷雾锥角,所得到喷雾锥角与实验结果吻合较好.通过实验与数值模拟相结合的方法验证了离心式喷嘴的雾化性能,从而为离心喷嘴的设计和性能预测提供了理论基础.","authors":[{"authorName":"王成军","id":"029a5685-3505-4ba7-99d6-455ab6a54ab9","originalAuthorName":"王成军"},{"authorName":"陈海耿","id":"00d12cc6-6478-47ed-8442-b828fe9e78a2","originalAuthorName":"陈海耿"},{"authorName":"张宝诚","id":"614c7782-0003-4960-8601-bb9899cfa1af","originalAuthorName":"张宝诚"}],"doi":"","fpage":"1797","id":"f6b6d32c-e5c1-442d-97b9-aa0b7a52ec7f","issue":"10","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报 "},"keywords":[{"id":"6ee2110a-ebbf-485a-8cda-194e64f267d0","keyword":"离心式喷嘴","originalKeyword":"双路离心式喷嘴"},{"id":"0e8b57c9-10c0-4d27-8486-622552e68102","keyword":"雾化","originalKeyword":"雾化"},{"id":"c15ee60c-8f71-4479-8b40-977b4520c435","keyword":"两相流","originalKeyword":"两相流"},{"id":"6bc78400-e220-4a69-a9ba-ff4932946c7f","keyword":"数值模拟","originalKeyword":"数值模拟"}],"language":"zh","publisherId":"gcrwlxb201010044","title":"离心式喷嘴的实验与数值模拟","volume":"31","year":"2010"},{"abstractinfo":"在数控系统中EnDat2.2接口协议因其高速率、高智能和高可靠性而得到广泛应用.针对数控系统对EnDat2.2协议的接口系统的需要和替代厂家昂贵接口板卡,分析了Endat2.2通信协议,采用FPGA开发了独立EnDat2.2译码模块,并集成了CRC校验功能,设计了绝对式编码器的数据传输电路,并在LC181光栅尺上进行了应用和测试.测试结果显示该电路可以快速准确地传输数据,证明了该接口电路的可行性.","authors":[{"authorName":"孙大海","id":"0d8b314b-2cdc-42bf-8449-be5907316c91","originalAuthorName":"孙大海"},{"authorName":"艾华","id":"c83ef59f-00e0-4c42-a8e3-ae90d1e21fb9","originalAuthorName":"艾华"}],"doi":"10.3788/YJYXS20142905.0745","fpage":"745","id":"6e50cfac-15e2-49ff-8b05-4e0b1c40967c","issue":"5","journal":{"abbrevTitle":"YJYXS","coverImgSrc":"journal/img/cover/YJYXS.jpg","id":"72","issnPpub":"1007-2780","publisherId":"YJYXS","title":"液晶与显示 "},"keywords":[{"id":"3d2c1339-9029-4be7-9982-f95e4babe55b","keyword":"EnDat2.2","originalKeyword":"EnDat2.2"},{"id":"873ad86b-d01b-4344-a1f7-6556d5d9c288","keyword":"FPGA","originalKeyword":"FPGA"},{"id":"cc37f446-d3d9-4a5d-b93a-8ec140909a1a","keyword":"CRC","originalKeyword":"CRC"},{"id":"ac090f86-449e-4ada-a166-400ec8c4464d","keyword":"编码器","originalKeyword":"编码器"}],"language":"zh","publisherId":"yjyxs201405017","title":"基于FPGAEnDat2.2编码器的接口设计","volume":"29","year":"2014"},{"abstractinfo":"压电陶瓷是一种重要的精密驱动器件,广泛应用于国防工业和民用生活中的高精度测量.本文根据压电陶瓷的工作原理,利用激光干涉,构建了一套快速检测压电常数的原理样机.测试实验结果表明,其检测精度高,稳定性好,具备开发成专用压电常数测量装置的可能.","authors":[{"authorName":"吴金泉","id":"d691e81b-7a9c-44df-8e7b-3221d779b623","originalAuthorName":"吴金泉"},{"authorName":"王雪平","id":"385e8523-0bfe-4a6f-af99-f5ca91e870fb","originalAuthorName":"王雪平"},{"authorName":"陈心浩","id":"ad518e22-a279-4508-b07d-879e58315ea6","originalAuthorName":"陈心浩"},{"authorName":"徐小燕","id":"548112fb-bb48-4bc9-9605-009e1ae84e39","originalAuthorName":"徐小燕"},{"authorName":"林兆祥","id":"81245cc2-fb2f-46ff-ac02-433e080c4a0d","originalAuthorName":"林兆祥"}],"doi":"","fpage":"1574","id":"3ca8a33c-a9ce-4df7-bd63-0651d0caf60b","issue":"5","journal":{"abbrevTitle":"GSYTB","coverImgSrc":"journal/img/cover/GSYTB.jpg","id":"36","issnPpub":"1001-1625","publisherId":"GSYTB","title":"硅酸盐通报 "},"keywords":[{"id":"8a2c9fd1-5ba6-413d-b899-d684ce0b625c","keyword":"压电陶瓷","originalKeyword":"压电陶瓷"},{"id":"ffbea7a3-1ad5-4c3c-85b5-961d1579891a","keyword":"激光干涉测量","originalKeyword":"激光干涉测量"},{"id":"e9402a30-4edd-45e5-9443-3f330b69f0da","keyword":"离面位移","originalKeyword":"离面位移"},{"id":"79096923-6eea-4cbd-bbd4-14e2b928a71a","keyword":"压电常数","originalKeyword":"压电常数"},{"id":"1f2c5a18-cea8-413f-a277-68e02345c5fb","keyword":"原理样机","originalKeyword":"原理样机"}],"language":"zh","publisherId":"gsytb201605044","title":"基于激光干涉的压电常数测量系统","volume":"35","year":"2016"},{"abstractinfo":"由于液晶显示器中间隔子的均匀性影响着对比度、色调变化等性能,因此,本文对液晶显示屏间隔子均匀性的检测方法进行了研究。首先分别利用干喷和湿喷法制备了对应的液晶盒,然后采用偏光显徽镜研究了所制备液晶显示屏间隔子的分布特性。研究发现,正常情况下,液晶盒内间隔子最小距离接近20μm,最大距离超过100μm;间隔子分布不良的主要缺陷为间隔子团聚;在实验室条件下,干喷间隔子团聚比较严重,湿喷基本上无此现象。所以,利用偏光干涉,通过调节偏光显徽镜上下偏光片的相对角度,可以在不破坏液晶显示屏的前提下直接观察到其内部的间隔子及间隔子的分布情况。文中还分析了利用偏光干涉检验间隔子均匀性的原理。","authors":[{"authorName":"范应娟","id":"7741bfbc-7f8a-4ef3-a1c0-97ebec5bb66e","originalAuthorName":"范应娟"},{"authorName":"袁桃利","id":"2faa06cf-11b9-4fd6-9ce2-cb5b8741bdaa","originalAuthorName":"袁桃利"},{"authorName":"张麦丽","id":"fc59b502-672a-4993-b477-afa1c85479e8","originalAuthorName":"张麦丽"}],"doi":"10.3788/YJYXS20153003.0416","fpage":"416","id":"64855d0e-60ec-4312-94ae-15b7db50d794","issue":"3","journal":{"abbrevTitle":"YJYXS","coverImgSrc":"journal/img/cover/YJYXS.jpg","id":"72","issnPpub":"1007-2780","publisherId":"YJYXS","title":"液晶与显示 "},"keywords":[{"id":"d98d950e-ecec-493e-8213-e5388a1faa6b","keyword":"间隔子","originalKeyword":"间隔子"},{"id":"e7282665-e7f2-4a67-8126-b1b39a1a4905","keyword":"均匀性","originalKeyword":"均匀性"},{"id":"f0f22567-c891-4b44-9104-89c0f9776833","keyword":"偏光干涉","originalKeyword":"偏光干涉"},{"id":"b3fc30d7-b092-4d40-9a7f-f5101e0c4f68","keyword":"液晶盒","originalKeyword":"液晶盒"}],"language":"zh","publisherId":"yjyxs201503008","title":"偏光干涉检测LCD间隔子的均匀性","volume":"","year":"2015"},{"abstractinfo":"利用偏光干涉测量了向列相液晶BL-009的吸收系数,得到了入射光波长在500~1 600 nm变化时的液晶吸收谱线,讨论了该曲线随液晶盒所加电压的变化情况.实验结果表明,向列相液晶BL-009在红外波段吸收效应较强,存在3个比较明显的吸收带,随着液晶盒上所加电压的增大,3个吸收带的位置逐渐向短波长(紫外)方向移动,且移动幅度有所不同,而且这种中心波长的漂移随电压的增大逐渐减弱;每个吸收带吸收系数的峰值随电压有所变化,但变化程度不同.","authors":[{"authorName":"王宁","id":"9d32f081-e005-4445-831b-006e29825df4","originalAuthorName":"王宁"},{"authorName":"李代林","id":"b301f67e-dd7a-46da-9bd9-340eaa4eb91e","originalAuthorName":"李代林"},{"authorName":"朱化凤","id":"e5083cc1-fd20-46ca-a95a-c6a598e2ebfb","originalAuthorName":"朱化凤"},{"authorName":"李国华","id":"5a35196f-fe0a-4d81-9072-88dcd91b1157","originalAuthorName":"李国华"}],"doi":"10.3969/j.issn.1007-2780.2008.05.003","fpage":"536","id":"5857dcff-45a0-48d1-b98a-fc1b0d1a50d5","issue":"5","journal":{"abbrevTitle":"YJYXS","coverImgSrc":"journal/img/cover/YJYXS.jpg","id":"72","issnPpub":"1007-2780","publisherId":"YJYXS","title":"液晶与显示 "},"keywords":[{"id":"9a766c01-25fa-484a-9c8e-2dcd3cfc9104","keyword":"液晶","originalKeyword":"液晶"},{"id":"cb2013e5-19b9-4e0b-b354-b0e08307afbb","keyword":"偏光干涉","originalKeyword":"偏光干涉"},{"id":"72d591e5-59f4-46ef-ab3c-9119448eff65","keyword":"吸收系数","originalKeyword":"吸收系数"},{"id":"5ed6804e-b47c-4594-b9e2-c37d026c68ec","keyword":"向列相","originalKeyword":"向列相"}],"language":"zh","publisherId":"yjyxs200805003","title":"液晶吸收光谱的偏光干涉研究","volume":"23","year":"2008"}],"totalpage":3981,"totalrecord":39807}