激光专业英语Word文件下载.docx
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激光专业英语Word文件下载.docx
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激光专业英语@#@2011年技术物理学院08级(激光方向)专业英语翻译重点!
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@#@作者:
@#@ @#@邵晨宇@#@Electromagnetic电磁的principle原则principal主要的macroscopic宏观的microscopic微观的differential微分vector矢量scalar标量permittivity介电常数photons光子oscillation振动densityofstates态密度dimensionality维数transversewave横波dipolemoment偶极矩diode二极管mono-chromatic单色temporal时间的spatial空间的velocity速度wavepacket波包beperpendicularto线垂直benomalto线面垂直isotropic各向同性的anistropic各向异性的vacuum真空assumption假设semiconductor半导体nonmagnetic非磁性的considerable大量的ultraviolet紫外的diamagnetic抗磁的paramagnetic顺磁的antiparamagnetic反铁磁的ferro-magnetic铁磁的negligible可忽略的conductivity电导率intrinsic本征的inequality不等式infrared红外的weaklydoped弱掺杂heavilydoped重掺杂asecondderivativeintime对时间二阶导数vanish消失tensor张量refractiveindex折射率crucial主要的quantummechanics量子力学transitionprobability跃迁几率delve研究infinite无限的relevant相关的thermodynamicequilibrium热力学平衡(动态热平衡)fermions费米子bosons波色子potentialbarrier势垒standingwave驻波travellingwave行波degeneracy简并converge收敛diverge发散phonons声子singularity奇点(奇异值)vectorpotential向量式partical-wavedualism波粒二象性homogeneous均匀的elliptic椭圆的reasonable公平的合理的reflector反射器characteristic特性prerequisite必要条件quadratic二次的predominantly最重要的gaussianbeams高斯光束azimuth方位角evolve推到spotsize光斑尺寸radiusofcurvature曲率半径convention管理hyperbole双曲线hyperboloid双曲面radii半径asymptote渐近线apex顶点rigorous精确地manifestation体现表明wavediffraction波衍射aperture孔径complexbeamradius复光束半径lenslikemedium类透镜介质beadjacentto与之相邻confocalbeam共焦光束aunitydeterminant单位行列式waveguide波导illustration说明induction归纳symmetric对称的steady-state稳态beconsistentwith与之一致solidcurves实线dashedcurves虚线beidenticalto相同eigenvalue本征值noteworthy关注的counteract抵消reinforce加强themodaldispersion模式色散thegroupvelocitydispersion群速度色散channel波段repetitionrate重复率overlap重叠intuition直觉materialdispersion材料色散informationcapacity信息量feedinto注入derivefrom由之产生semi-intuitive半直觉intermodemixing模式混合pulseduration脉宽mechanism原理dissipate损耗designateby命名为toalargeextent在很大程度上etalon标准具archetype圆形interferometer干涉计beattributedto归因于roundtrip一个往返infinitegeometricprogression无穷几何级数conservationofenergy能量守恒freespectralrange自由光谱区reflectioncoefficient(fractionoftheintensityreflected)反射系数transmissioncoefficient(fractionoftheintensitytransmitted)透射系数opticalresonator光学谐振腔unity归一opticalspectrumanalyzer光谱分析grequencyseparations频率间隔scanninginterferometer扫描干涉仪sweep移动replica复制品ambiguity不确定simultaneous同步的longitudinallasermode纵模denominator分母finesse精细度thelimitingresolution极限分辨率thewidthofatransmissionbandpass透射带宽collimatedbeam线性光束noncollimatedbeam非线性光束transientcondition瞬态情况sphericalmirror球面镜locus(loci)轨迹exponentialfactor指数因子radian弧度configuration不举intercept截断backandforth反复spaticalmode空间模式algebra代数inpractice在实际中symmetrical对称的asymmetricalconforalresonator对称共焦谐振腔criteria准则concentric同心的biperiodiclenssequence双周期透镜组序列stablesolution稳态解equivalentlens等效透镜verge边缘self-consistent自洽referenceplane参考平面off-axis离轴shadedarea阴影区cleararea空白区perturbation扰动evolution渐变decay减弱unimodualmatrix单位矩阵discrepancy相位差longitudinalmodeindex纵模指数resonance共振quantumelectronics量子电子学phenomenon现象exploit利用spontaneousemission自发辐射initial初始的thermodynamic热力学inphase同相位的populationinversion粒子数反转transparent透明的threshold阈值predominateover占主导地位的monochromaticity单色性spaticalandtemporalcoherence时空相干性byvirtueof利用directionality方向性superposition叠加pumprate泵浦速率shunt分流coronabreakdown电晕击穿audacity畅通无阻versatile用途广泛的photoelectriceffect光电效应quantumdetector量子探测器quantumefficiency量子效率vacuumphotodiode真空光电二极管photoelectricworkfunction光电功函数cathode阴极anode阳极formidable苛刻的恶光的irrespective无关的impinge撞击inturn依次capacitance电容photomultiplier光电信增管photoconductor光敏电阻junctionphotodiode结型光电二极管avalanchephotodiode雪崩二极管shotnoise散粒噪声thermalnoise热噪声@#@ @#@@#@ @#@@#@1.InthischapterweconsiderMaxwell’sequationsandwhattheyrevealaboutthepropagationoflightinvacuumandinmatter.Weintroducetheconceptofphotonsandpresenttheirdensityofstates.Sincethedensityofstatesisaratherimportantproperty,notonlyforphotons,weapproachthisquantityinarathergeneralway.Wewillusethedensityofstateslateralsoforother(quasi-)particlesincludingsystemsofreduceddimensionality.Inaddition,weintroducetheoccupationprobabilityofthesestatesforvariousgroupsofparticles.@#@ @#@ @#@ @#@在本章中,我们讨论麦克斯韦方程和他们显示的有关光在真空中传播的问题。
@#@我们介绍了光子的概念以及光子态密度。
@#@由于态密度是很重要的属性,不单对光子而言,我们会经常用到态密度。
@#@我们将在之后用态密度描述其他(准)粒子包括降维系统。
@#@此外,我们介绍各种粒子态的占有率。
@#@@#@1.NowwetreatMaxwell’sequationsinmatter.Doingsowehaveinprincipletousetheequationsintheirgeneralfromtheequation(1.1).Howeverwewillstillmakesomeassumptionswhicharereasonableforsemiconductors:
@#@weassumethattherearenomacroscopicfreespacechargesandthatwehaveanonmagneticmaterial.Actually,allmatterhassomediamagnetism.Butthisisarathersmalleffectoftheorderof10-6 @#@soitcanbeneglectedforourpurposes.Paramagneticandespeciallyferromagneticcontributionscanbesignificantlylargerforlowfrequencies.However,eventhesecontributionsdiminishrapidlyforhigherfrequencies.Consequentlytheassumptionofanon
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