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简介：Anall-opticallight–control–lightfunctionalitywiththestructureofamicrofiberknotresonator(MKR)coatedwithtindisulfide(SnS2)nanosheetsisexperimentallydemonstrated.TheevanescentlightintheMKR[witharesonanceQof~59,000andanextinctionratio(ER)of~26dB]isexploitedtoenhancelight–matterinteractionbycoatingatwo-dimensionalmaterialSnS2nanosheetontoit.Thankstotheenhancedlight–matterinteractionandthestrongabsorptionpropertyofSnS2,thetransmittedopticalpowercanbetunedquasi-linearlywithanexternalvioletpumplightpower,whereatransmittedopticalpowervariationrateΔTwithrespecttothevioletlightpowerof~0.22dB∕mWisobtained.Inaddition,theMKRstructurepossessingmultipleresonancesenablesadirectexperimentaldemonstrationoftherelationshipbetweenresonanceproperties(suchasQandER),andtheobtainedΔTvariationratewithrespecttothevioletlightpower.ItverifiesexperimentallythatahigherresonanceQandalargerERcanleadtoahigherΔTvariationrate.Intermsoftheoperatingspeed,thisdevicerunsasfastas~3.2ms.Thiskindofall-opticallight–control–lightfunctionalstructuremayfindapplicationsinfutureall-opticalcircuitry,handheldfibersensors,etc.

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简介：Shortpulsedfiberlasershavebeenwidelymadeusingsingle-walledcarbonnanotubesasasaturableabsorber(SA).However,mostofthecurrentlyuseddevicescanonlyoperateinonedeterminedoperationstatewithanunchangeablemodulationSAdepthinthecavity,whichsignificantlylimitstheirapplicationinphotonicdevices.Inthispaper,well-alignedcarbonnanotubearraysaresynthesizedusingzeoliteAlPO4-5asatemplate,whichfeaturesanisotropicopticalabsorption.Thelinearopticalabsorptionoftheas-synthesizedcarbonnanotubearrayscaneasilybetunedbyadjustingapolarizationcontroller,thusprovidingatunablemodulationdepthforthecarbonnanotubeSA.ByexploitingthisSAinanerbium-dopedfiberlasercavity,bothQ-switchedandmodelockedpulsedlasersareachievedbysimplyadjustingapolarizationcontrollerunderafixedpumppowerof330mW.Inaddition,therepetitionrateoftheQ-switchingandpulsedurationofthemode-lockingcanbetunedaccordingtothevariationofmodulationdepth.Moreover,solitonmoleculescanbeobtainedwhenthemodulationdepthoftheSAis4.5%.

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简介：Theauthorsinvestigateadisturbance-compensatingandenergy-savingcontrolmethodforairturbinespindlesequippedwitharotationcontrolsystemdesignedforuseinultra-precisionmilling.Thecontrollabilityandenergy-conservingcharacteristicsoftheproposedmethodusingtheproposedpneumaticregulatingdevice,calledahigh-precisionquick-responsepneumaticpressureregulator,weredemonstratedexperimentallypreviously.Herein,theproposedrotation-controlledairturbinespindleisfirstsummarised.Subsequently,theproposedrotation-controlledairturbinespindleissettoamillingmachineandappliedtothemillingofanalloytoolsteel,togaindataandvalidatetheeffectivenessofthein-processtoolwearestimationmethodthathavebeenrecentlydevelopedandproposedbytheauthors.Particularly,toevaluatethepossibilityofapplyingtheproposedestimationmethodtothree-dimensionalmilling,millingexperimentswheretheairturbinespindleissetata45°inclinewereconductedandtheresultsindicateahighpossibilityoftheproposedmethod.

简介：Theauthorsinvestigateadisturbance-compensatingandenergy-savingcontrolmethodforairturbinespindlesequippedwitharotationcontrolsystemdesignedforuseinultra-precisionmilling.Thecontrollabilityandenergy-conservingcharacteristicsoftheproposedmethodusingtheproposedpneumaticregulatingdevice,calledahigh-precisionquick-responsepneumaticpressureregulator,weredemonstratedexperimentallypreviously.Herein,theproposedrotation-controlledairturbinespindleisfirstsummarised.Subsequently,theproposedrotation-controlledairturbinespindleissettoamillingmachineandappliedtothemillingofanalloytoolsteel,togaindataandvalidatetheeffectivenessofthein-processtoolwearestimationmethodthathavebeenrecentlydevelopedandproposedbytheauthors.Particularly,toevaluatethepossibilityofapplyingtheproposedestimationmethodtothree-dimensionalmilling,millingexperimentswheretheairturbinespindleissetata45°inclinewereconductedandtheresultsindicateahighpossibilityoftheproposedmethod.

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简介：对采用P型栅增强型技术的GaN功率晶体管进行了反应堆1MeV等效中子辐照效应实验。结果表明，在注量为1.5×10^15cm^-2的中子辐照后，器件的阈值电压没有发生明显变化；栅压较大时，辐照后的饱和漏电流变小，这与沟道电子迁移率降低和二维电子气2DEG的退化有关；当漏极电压小于200V时，器件的关态漏电流明显增加，表明中子辐照重掺杂P型栅发生的载流子去除效应弱化了P型栅在零栅压下对沟道电子的耗尽，但器件栅极反向泄漏电流在辐照后没有变化，说明其对中子辐照具有一定的免疫能力。

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简介：S^p（1≤p≤∞）空间为导数属于Hardy空间H^p的复平面单位圆盘D上所有解析函数组成的空间.令函数φ和φ是D上的解析函数且φ（D）D,则将算子W（φ,φ）：f→φfoφ称为加权复合算子.文章给出了当1≤q≤p≤∞,φ∈S^∞时,加权复合算子W（φ,φ）从空间S^p到S^q上的有界性的充要条件.然后通过推广经典的Fejer-Riesz不等式证明了当1〈p≤∞时，S^p到圆盘代数A上的嵌入映射是紧的．

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简介：古典分子的动力学模拟被执行学习高温度(在300K上面)体积水的动态行为，明确地散开系数，氢契约，和近邻居的一生的行为。二个水潜力被比较：最近建议的全球性最佳的点费用(OPC)模特儿和著名TIP4P-Ew当模特儿。由考虑计算反的散开系数和旋转松驰常数的Arrhenius阴谋，到有增加温度的一个线性趋势的从VogelFulcherTammann行为的一条转线路分别地是为OPC和TIP4P-Ew模型的检测atT*309和T*285K。试验性地，转线路点是以前观察的atT*3155K。我们也为热扩大P(T，P)，等压的P(T)曲线十字在大约一样的T*是在实验。水氢契约并且最近的邻居的一生被评估并且被发现穿过nearT*，在一生是大约1ps的地方。为TT*，水象简单液体一样更表现。事实那T*在生物学上相关的温度以内的下降变化为biomolecular系统是现象和它的可能的后果的进一步的分析的强壮的动机。

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