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  • 简介:QiuZhijie:BreakingthroughtheiceFebruary15-May15,2009Co-curatedbyJeromeSans,UCCADirector,andGuoXiaoyan,UCCAChiefCuratorOrganizedbyEmmaGuoUCCABigHallBreakingthroughtheice,byconceptualartistQiuZhijieisexhibited.'WithBreakingthroughtheiceUCCAinitiatesaseriesofsoloexhibitionsofthenewgenerationofChineseartists',JeromeSans,UCCADirectorandco-curatoroftheexhibition.

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  • 简介:BasedonthedesiltingresearchofoneschedulingprojectinthesouthwestofChina,themethodofsettinggriddesiltinggallerybeforethedesiltingtunnelisputforwardtoexpandthescopeofthescouringfunnelbeforethedamandsolvetheproblemofsedimentdepositionatthepowerstationwaterintake.Theexperimentalresultsshowthat,inthedesignofagriddesiltinggallery,thewidthofthegridgalleryshouldnotbesmallerthanthatofthedesiltingbottomintake,thesizeofthegridorificeshouldbeintherangeof1.5,m—2.0,malongtheflowdirection,andthegridspacingshouldbe3—5timesthesizeofthegridorifice.Thedischargingabilityofthedesiltingbottomintakewilldecreaseafterthegriddesiltinggalleryisadded.Theaverageofthedecreaseratesisabout5%—10%.Thescouringfunneldrawsinthelongitudinaldirectionbeforethedamobviouslyaftertheconstructionofthegriddesiltinggallery.

  • 标签: 网格 画廊 优化布置 实验 沉沙 冲刷漏斗
  • 简介:Alow-costlight-emittingdiode(LED)issufficienttopumpaquasi-continuous-wavebidirectionalhigh-Qwhispering-galleryresonatorlasermadeofNd:YVO4.ThisisremarkablebecauseoftheverylimitedspatialandspectralcoherenceofanLED.TheLED,deliveringupto3.5W,centeredaround810nm,isturnedoninintervalsof100μsduration,andfortheseperiodsalaseroutputexceeding0.8mWhasbeenverified.Furthermore,0.1-s-longlaserpulsesaredemonstrated.Tothebestofourknowledge,thisisthefirstdemonstrationofanLED-pumpedhigh-Qwhispering-gallerylaser.Theconceptcanbeextendedeasilytootherlaseractivematerials.AprospectisalsotopumpseveralofsuchlaserswithasingleLED.

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  • 简介:我们报导在硅石切开耳语画廊模式的观察球形的共鸣器。描绘保险丝硅石球形的共鸣器,迅速凋落的纤维逐渐变细联合技术被采用。联合系统由纤维组成与大约2.8微米和保险丝硅石的一条直径逐渐变细有大约143微米的一条直径的球形的共鸣器。由把激光力量注入纤维逐渐变细,有3.7nm的相等的山峰间距的很多座狭窄的吸收山峰被观察在一宽光谱范围。在用形状由另一个代替共鸣器稍微被修改以后,耳语画廊模式在球形的共鸣器切开被观察。在邻近的山峰之间的波长间距是0.32nm,比以前的的小得多。CLC数字O431.2这projec被中国(60277026,90206039)的国家自然科学基础支持

  • 标签: 二氧化硅 球形光学谐振器 回音壁模式 分裂
  • 简介:2005年6月17日,上海,赫莲娜秉承一如既往追求卓越的品牌精神,继中国上海东方商厦后又在位于淮海路陕西路口的新世界百货上海巴黎春天引进了其倾情设计,精心营造的全新第2家BeautyGallery创美空间概念店,旨在将卓越品位女性的美之潜能发挥到极致。

  • 标签: GALLERY 空间概念 上海 淮海路 卓越
  • 简介:Weproposeanddemonstrateataperedhollowannularcorefiber(HACF)couplerforexcitationofwhisperinggallerymodes(WGMs)ofanembeddedmicrosphereresonator.ThecouplerissimplyfabricatedbyfusionsplicingofasegmentofHACFwiththesingle-modefiber(SMF),andthenimprovedbytaperingthesplicingjointtoreducethecone-apexangle.Therefore,thecouplingefficiencyfromtheSMFtotheHACFisenhancedtoexcitevariousWGMsviaevanescentfieldcoupling.Normalpositive,negativesymmetricalLorentzianandasymmetricFanolineshapescanbeobtainedbyvaryingtheresonatorsizeandlocation.AnotherinterestingphenomenonisobservedthatahigherQ-factormodeinalowerQ-factormodehasacontrastashighas58.Temperaturesensingwithgoodstabilityisalsodemonstrated.ThisembeddedWGMmicrosphereresonatorinthetaperedHACFisexpectedtopromoteenvironmentaladaptabilityinpracticalapplicationsduetoitssimplicityandrobustness.

  • 标签: Single MODE FIBER (SMF) cavity EMBEDDED
  • 简介:Opticalwhisperinggallerymicrocavitieswithhigh-qualityfactorshaveshowngreatpotentialtowardachieveingultrahigh-sensitivitysensinguptoasinglemoleculeornanoparticle,whichraisesahugedemandonadeeptheoreticalinsightintothecrucialphenomenasuchasthemodeshift,modesplitting,andmodebroadeninginsensingexperiments.Hereweproposeanintuitivemodeltoanalyzethesephenomenafromtheviewpointofthenanoparticle-inducedmultiplescatteringoftheazimuthallypropagatingmode(APM).ThemodelunveilsexplicitrelationsbetweenthesephenomenaandthephasechangeandenergylossoftheAPMwhenscatteredatthenanoparticle;themodelalsoexplainstheobservedpolarization-dependentpreservationofoneresonanceandtheparticle-dependentredshiftorblueshift.Themodelindicatesthattheparticle-inducedcouplingbetweenthepairofunperturbeddegeneratewhisperinggallerymodes(WGMs)andthecouplingbetweentheWGMsandthefree-spaceradiationmodes,whicharewidelyadoptedincurrenttheoreticalformalisms,arerealizedviathereflectionandscattering-inducedfree-spaceradiationoftheAPM,respectively,andadditionallyexhibitsthecontributionofcrosscouplingbetweentheunperturbedWGMsandotherdifferentWGMstoformingthesplittingresonantmodes,especiallyforlargeparticles.

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  • 简介:Wereportonthetransmissionspectraofasausage-likemicroresonator(SLM)inaqueousenvironment,whereafibertaperisusedasalightcoupler.ThetransmissionspectrashowaninterestingdependenceonthecouplingpositionbetweentheSLMandthefibertaper.WhentheSLMismovedalongthefibertaper,thelineshapecanevolveperiodicallyamongsymmetricdips,asymmetricFano-likeresonancelineshapes,andsymmetricpeaks.Acoupled-modetheorywithfeedbackisdevelopedtoexplaintheobservation.TheobservationofFano-likeresonanceinaqueousenvironmentholdsgreatpotentialinbiochemicalsensing.

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  • 简介:威廉·哈兹里特(WilliamHazlitt)在出版于1824年的《英格兰主要美术馆随笔》(SketchesoftheGalleriesinEngland)里对杜尔维奇绘画馆着墨甚多,堪称名篇佳构。今天造访该馆的观光客会毫不费力地在美术馆后面发现一个庄重肃穆的壁龛,里面永久存放着三位捐赠人的斑岩大理石石棺。需提及的是,与欧洲大部分在皇家宫殿基础上'改造'而成的艺术博物馆有所不同,杜尔维奇绘画馆应该算是专门为陈列美术作品而建造的最早的美术馆之一,具有某种现代美

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  • 简介:2013年12月,经过长时期整修的克利夫兰艺术博物馆(TheClevelandMuseumofArt)重新向公众开放,这使得它作为美国中西部艺术重镇的地位更加巩固。

  • 标签: 艺术博物馆 观众互动 ONE 中西部