资源描述
Coordinate Systems(笛卡尔系)
Cartesian, cylindrical(polar), spherical(直角、柱、球)
Vectors and Scalars(矢量、标量)
magnitude(大小,量纲,量级)
an order of magnitude, two orders of magnitude(两个数量级)
product
scalar product (dot product)(点积)
vector product (cross product)(叉积)
Newtonian Mechanics(牛顿力学)
Object: speed velocity mechanical energy(机械能):
(scalar)(vector) potential energy(势能)
Kinetic energy(动能)
Acceleration gravitational force(万有引力)
Mass(质量)Density(密度)Volume(体积)
weight(gravity)(重力) Friction(摩擦)
non-conservative force(非保守力)
restoring force(回复力)Momentum(动量)
moment(torque)(力矩)uniform motion(迅速运动)
uniform dielectric(迅速直线)
Oscillations and Waves(振荡和波)
Vibration(振动) Damped(有阻尼的)
periodic motion(周期运动):
equilibrium position (平衡位置)
displacement(位移)
simple harmonic motion(简谐振动):
spring (stretch, compress)(绳的伸长与压缩)
Amplitude(振幅) Cycle(周期)
frequency(megahertz)(频率)
Wavelength(波长)(meter decimeter /分米centimeter /厘米millimeter /毫米nanometer/纳米 micron/微米)
traveling wave(行波) standing wave(驻波)
crest(波峰) trough(波谷)
Light and Optics
electromagnetic wave(电磁波)
electromagnetic radiation(电磁辐射)
electromagnetic spectrum: (光谱):
visible light(可见光) radio wave(无线电)
Infrared(红外线) ultraviolet (UV)(紫外线)
Gamma rays(r射线) X-rays(X线)
Photon(光子):
atom(原子) molecule(分子)
Electron(电子)neutron(中子)
Proton (质子) ion(离子)
Nucleus (原子核) nuclei(复数形式)
Light: Reflection(反射):
(全反射):total internal reflection
Refraction(折射)
Diffraction(衍射):
central maximum/ minimum(中心最大/最小) secondary/ side maximum (次级大)
Dispersion(散射)
Interference(干涉):
(相干光)coherent wave (光程差) optical path difference
(相位差phase difference/ shift (同/不同相)in phase/ out of phase(奇/偶整数倍)odd/even integral multiple
(叠加) superposition/ superpose (相长/相消)constructive/ destructive
Newton's Rings(牛顿环):
concentric ring pattern(同心圆环)
Monochromatic light(单色光)
Polychromatic(复色光)
Diffraction Grating(衍射光栅):be ruled with......(被刻/画)
Polarization (偏振):
linear/ plane、 elliptical、 circular(线、椭圆、圆偏振)
counterclockwise/ anticlockwise(逆时针)
Birefringence(双折射):
Double refraction(双折射) Isotropic/anisotropic(各项同/异性)
Orientation(方向) Lattice(晶格) dielectric constant(介电常数) magnetic permeability(磁导率) Cleavage(解理)
The Ordinary ray(寻常光) The extraordinary ray(非寻常光)
Optical Activity(旋光性)
Guided-Wave Optics / Integrated Optics(导波/集成光学):
component(分量、组成)integrate(集成)substrate
Chip (芯片、薄片) miniaturize(小型化)
propagate(传播)Collimate(校准、使平行)focus(聚焦)scan(扫描)broaden(扩展)Split(分离)combine(结合)isolation(隔离)couple(耦合)Switch(交换)detect(探测)modulate(调制)
planar/ slab waveguide(平面波导):
Infinite(无限的)Interface(表面)zig-zag waves(锯齿波) critical angle(临界角) guided mode(导摸)
strip waveguide(条形波导):
Confinement(限制)Dimension(维度)raised strip(凸起型波导)embedded strip(嵌入式波导)ridge/ rib guide(几型波导)strip-loaded guide(加载型波导)active/ passive device(有源/无源设备)
fiber (光纤) :
Core(芯)Cladding(包层)Diameter(直径)
single mode/ fundamental mode(单/基模)
Multimode (多模) input pulse(输入脉冲)
incident angle(入射角) intermodal dispersion(模间散射)
Temporal(暂时的)signal broadening(信号展宽)
step-index/ abrupt transition(阶越传播)
gradient-index/ graded transition(渐变传播)
Others:
directly/ inversely proportional to(成正/反比)Microscope(显微镜)current(电流) circuit(电路)Voltage(电压)Power resistance(抵消) positive/ negative charge(正/负电) attract/ repel (吸引/排斥) prism perpendicular/ vertical/ orthogonal/ normal(垂直的 )Parallel lens/ convex/ concave(凸/凹) cross section()
Curvature(曲率)
Light Fantastic:
solar wind(太阳风)aurora(极光)Transparent(透明的)
Translucent(半透明的)filter(滤光片)crossing the filter
The science of super cool(超导):
absolute zero: minus 273.2 degrees celsius Liquid liquefy(液化)
Hydrogen(氢) Helium(氦) Nitrogen(氮)
Coolant(冷却剂)Superfluid(超流体) Viscosity(黏度)
Superconductor(超导体)magnetic levitation(磁悬浮)
levitating train/ Maglev(磁悬浮列车) Joseph Son Junction
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