简介：AlowfinenesseFabry-Perotinterferometricdisplacementsensorhasbeendevelopedandtested.WithusingahighstabilityHe-Nelaserandperfectsignalprocessingcircuits,noiselevelof0.01nmequivalenttoreflectordisplacementwasob-tainedinabandwidthof0-1kHz.

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简介：Thebasicsandapplicationsofacousto-opticdevicesaredescribed,Theapplicationsincludeacousto-opticspectrumanalyzer,acousto-opticdeflector,acousto-opticprocessorsandacousto-opticdigitalmatrixcomputer.

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简介：Usingelectromagneicfieldtheoryofdielectricinacylindricalcoordinatessystem,thetheoreticalanalysisandcalculationforarotatoryopticfiberarepresentedinthispaper.

简介：Thispaperpresentstheprincipleofphasemodulationoftheopticalwave,thatisusingadensefringefamilytomodulateanotherfringepattern,anditsapplicationinfringemultiplication.Itisofuniversalsignificanceinopticallyexperimentalmechanics.

简介：Anovelstructureoffiberopticbiosensoranditsprincipleareintroduced.Thesampleisdetectedinmicrochannelsofseveralmicronsdiameterinfiberopticbiosensors.Therelationbetweentheopticfibertaperedangleandthefluorescenceincidentangleiscalculatedinsignalreceivingpart.Asthesensorisazero-ordersystem,calculatingformulaofthestaticsensitivityisderived.WhenZnSenano-crystallineclusterisusedformarkingthemolecules,thestaticsensitivityforfiberopticbiosensorsiscalculated.Atthesametime,therelationbetweenthestaticsensitivityandtheratioofexcitingwavelengthtofluorescencewavelengthispresented.

简介：我们评估了与Toxocara眼的神经病临床上并且血清学地诊断的12个病人的13只眼睛。十一个病人有单方的参与，一个病人有双边的眼的神经病。八个病人(66.7%)让可能的感染采购原料到Toxocara。六个病人(50%)有无痛苦的尖锐眼的神经病。十只眼睛与peripapillary渗入有不对称的、裂的眼的圆盘浮肿，三只眼睛有弥漫的眼的圆盘浮肿。嗜曙红血球过多在五个病人(41.7%)被注意，眼的神经改进与可得到的轨道在十一只眼睛(72.7%)中的八个被观察磁性的回声成像(MRI)。吝啬的视觉尖酸显著地改进了后面的治疗[分辨率(logMAR)的最小的角度对数的平均数0.94

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简介：Anewtypeoffiberopticglucosebiosensorbasedonfluorescencequenchinghasbeendesignedanditspropertieshavebeenstudied.Glucosecanbeoxidizedbyoxygenwhenglucoseoxidaseareusedasthecatalyst,therefore,theconcentrationofglucosecanbemeasuredbydetectingtheconsumptionofoxygen.Forthedetectionofoxygenconcentration,theruthenium(Ⅱ)complex,Ru(bpy)3Cl2,wereusedasthefluorescenceindicatoranditsfluorescencelifetimeweredetectedbylock-intechnology.Thedetectingrangeofthesensoris50-500mg/dlanditsresponsetimeis30seconds,showingthatthiskindofsensorsispossibletobeusedinclinicaldiagnosisanddetection.

简介：Anovelfluorometerbasedonfiberopticsisbrieflyintroducedforthemeasurementofalgaconcentration.Boththeexcitinglightandthefluorescencefromalgachlorophyllaretransmittedalongafibercable.Bythisway,wecangetalgaconcentrationbymeasuringitschlorophyll-afluorescenceintensity.Theexperimentresultsshowthatthisinstrumentischaracterizedbygoodsensitivity,linearityandaccuracy.

简介：Thesecurityofcivilengineeringisanimportanttaskduetotheeconomic,socialandenvironmentalsignificance.Comparedwithconventionalsensors,theopticalfibersensorshavetheiruniquecharacteristics.Beingdurable,stableandinsensitivetoexternalperturbations,theyareparticularinterestingforthelong-termmonitoringofcivilstructures.Focusisonabsolutemeasurementopticalfibersensors,whichareemergingfromthemonitoringlargestructural,includingSOFOsystem,F-Popticalfibersensors,andfiberBragggratingsensors.Theprinciple,characteristicandapplicationofthesethreekindsofopticalfibersensorsaredescribedtogetherwiththeirfutureprospects.

简介：这篇论文描述我们涉及在极端高温度陶艺(UHTC)上测量温度和紧张的光察觉到的节点组成的一个原型SHM系统的鉴定，发展和测试的研究活动材料直到1000掳C。商业地可得到的眼的设备能操作直到550掳C。为了提起温度，限制多达1000掳C，主要在为科学应用程序的开发中，特定的设备被识别了。一个原型SHM系统被开发了为紧张测量在蓝宝石纤维为温度测量和一个EFPI传感器采用一个FBG传感器。从thermo机械的测试的初步的调查结果显示那个以前的SHM系统能够精确地在UHTC材料上在提高的温度测量紧张。CLC数字TN253

简介：Atwistedfiberopticsensorbasedonintensitymodulationisdescribed.Theprincipleandstructureofthesensorandthechoiceofsteelstrandmodulesareintroduced.Thesensorisusedtodeterminethetensilestrainanddistribution.Theexperimentalresultsshowthatthechangeofthetransferringlightpowerhasanapproximatelinearrelationwiththeouterforce.Theintelligentsteelstrandswiththiskindofsensorwillhaveagoodapplicationinmonitoringtheconcretecrackanddeformationdistributioninhugestructuressuchasdamsandbridges.

简介：Theabilitytomodulateanopticalfieldviaanelectricfieldisregardedasakeyfunctionofelectro-opticinterconnects,whichareusedinopticalcommunicationsandinformation-processingsystems.Oneofthemaindevicesrequiredforsuchinterconnectsistheelectro-opticmodulator(EOM).CurrentEOMsbasedonelectro-opticandelectro-absorptioneffectsoftenarebulkyandpower-inefficientduetotheweakelectro-opticpropertiesoftheirconstituentmaterials.Here,weproposeanewmechanismtoproduceanarbitrary-waveformEOMbasedonquantuminterference,inwhichbothrealandimaginarypartsofthesusceptibilityareengineeredcoherentlywithsuper-highefficiency.BasedonthisEOM,awaveforminterconnectfromthevoltagetothemodulatedopticalabsorptionisrealized.Weexpectthatsuchanewtypeofelectro-opticinterconnectwillhaveabroadrangeofapplications,includinginopticalcommunicationsandnetworks.

简介：Themethodformeasuringthestrainofanobjectusinganopticalfiberandafrequencymodulation(FM)coupledcaritysemiconductorlaserispro-posed.ThismethodusesthecoherentFMheterodyneprincipleoftheMichelsonin-terferometerandcanavoidtheπ/2nonreciprocalphasebiasandphaseshiftingproblemexistingingeneralfiberopticinterferentialsensors,themaximumdetec-tionrangeislimitedbythecoherentlengthofthesemiconductorlaseranditsrela-tivefactor.

简介：采用1/4波浪板为阶段延迟和波浪板的眼的轴的同时的测量使用的一个简单方法被表明。测量原则的理论分析详细被介绍。在测量，在调整标准1/4以后，挥动板并且快(慢)要测量的板的轴平行到polarizer的通行证轴，要测量的板被450counterclockwisly旋转。一台步进马达被用来旋转分析器。试验性的数据被一个光电探测器收集然后送到一台计算机。根据产量数据曲线，阶段延迟和要测量的板的眼的轴能同时被获得。为了测试方法，位/2和位的可行性，/8波浪盘子被用作例子表明测量过程。阶段延迟测量精确性比0.5脳好10?2。这个方法能被用来方便地测量任意的阶段延迟。CLC数字O436.3

简介：AIM:Todeterminetheclinicalfeatures,diagnosisandtreatmentoftheprimarySjogrensyndrome(SS)relatedopticneuritis.METHODS:Theclinicaldataof8patients(12eyes)withprimarySSrelatedopticneuritiswereanalyzedretrospectively.RESULTS:Eightof128consecutivepatientswithopticneuritisresultedfromvariedcausesfulfilledthediagnosticcriteriafortheprimarySS.Theypresentedinitiallywiththesignsandsymptomsofnon-specificopticneuritis,and5patientspresentingwithoutdrynessshowedachronicinflammationofsubmandibularglandorparotidgland,andlymphocyteinfiltrationwasdemonstratedbylabialglandbiopsyin2patients.Therewereserumpositivetitersforanti-SjogrensyndromeA(SSA)in7patientsandanti-SjogrensyndromeB(SSB)in8patients.Anti-aquaporin-4(AQP4)antibodywasnegativeinallthe8patients.Bothglucocorticoidsandimmunosuppressiveagentwereadministered,andvisualacuityelevatedin8eyes(66.7%),3patients(37.5%)recurredinthefollow-up.CONCLUSION:PrimarySSrelatedopticneuritisislesscommonandeasilymisdiagnosed.Theconventionaltherapiesforopticneuritiscouldnotcontroltherecurrence.

简介：一种荧光眼纤维的温度计基于红宝石和吸收玻璃样品被设计。眼--纤维温度测量探查基于红宝石被开发。这个系统对在0℃to的范围的温度测量特别地能适应130℃。更加改进的表演在这台新设备被看见。到带的罐头的驱动电流容易通过控制电路在要求的定义界限以内被保留。

简介：横梁偏导器主要基于电镀物品眼的分阶段执行的数组(EOPA)被描述，然后存在控制上的分析为驾驶EOPA横梁偏导器策划，基于特定的硬连线的电子学或基于在一个微控制器的软件，被做。与这些相比，一为一个多信道的EOPA横梁偏导器开车和控制系统被介绍，在哪个控制赋值与域被实现可编程的门数组(FPGA)薄片。为不同表演要求，二控制计划，有连续计划的和有平行计划的另外一个，在XilinxFPGA薄片被探索了并且很快建原型。与为EOPA横梁偏导器的控制结构，扫描588kHz和5MHz的率能分别地被到达。