目的探讨一种快捷、准确求光子束不规则射野等效方野的方法。
Objective to explore a rapid method of calculating an equivalent square field for irregular photon beam fields.
这意味着要用高能的电子或光子束来处理食品，用它们来干扰微生物的DNA，阻止微生物释放危险的毒素和增殖。
That means treating food with high-energy bursts of electrons or photons to attack the micro-organisms' DNA, preventing them from spitting out dangerous toxins and proliferating.
这让你对一束激光中有多少个光子有了一点概念。
This gives you a little bit of an idea of just how many individual photons there are in a laser beam of light.
基于这个道理，你需要一个诸如谢尔兹博士所设计的设备，当光子从分束器不同地方出来的时候，可以检测并计数单个光子。
It is for this reason that you need a device, such as Dr Shields's, which can detect and count individual photons as they come out of different parts of the beam-splitter.
量子光场主要存在三种非经典效应：光子反聚束、亚泊松分布和压缩效应。
There are three main non-classical features for quantum field, i. e. photon anti-bunching effect, sub-Poissonian statistics distribution, and squeezing effects.
光子，即光能束，冲击铬原子中的电子。
The light photons, or bundle of light energy, knock electrons in the chromium atoms.
该方案给出了平面引力波通过同时存在高斯束和匀强静磁场背景区域的扰动解，并发现在同步谐振条件下可望得到可供观测的扰动光子流。
Such a scheme says that the resonance would occur when Gaussian beam, uniform static magnetic field and GWs exist in the same area and give detectable signal photon fluxes due to GWs.
同时发现通过对原子的选择性测量，场的压缩特性和光子的反聚束效应会增强。
Meanwhile it is shown that squeezing of field and photon antibunching can be greatly enhanced via selective atomic measurements.
使用光学分束器和单光子源，利用单光子态和真空态制备出了纠缠单光子态。
A method of generating the single-photon entangled states of a single photon state and a vacuum state through utilizing optical beam-splitter and single-photon source is described.
光子晶体波导分束器是集成光学电路的重要组成元件。
The beam splitter based on photonic crystal waveguides is taken as an essential component in integrated optical circuits.
该方案所使用的器件包括分束器和可以区分奇偶光子数的理想光子探测器。
The devices used are beam splitters and ideal photon detectors capable of distinguishing between odd and even photon numbers.
本发明提供了一种基于光子晶体自准直的偏振分束器及其分束方法。
The invention provides a polarization beam splitter based on auto-collimation of photonic crystal and beam splitting method thereof.
得到了在不同情况下出现的光子反聚束、光场的亚泊松行为以及光场的挤压性质。
We obtain antibunching of photons. the sub-poissonian behaviour of optical fields and their squeezing properties in different cases.
制备金属光子晶体方法包括：电子束刻蚀结合后续剥离法、激光干涉光刻结合干刻蚀技术等。
The fabrication methods of MPC include electron beam lithography with subsequent evaporation and lift-off, interference lithography with dry-etching technology etc.
LCVR控制入射光子的偏振度，从而实现对自旋极化电子束极化方向的调制。
The production of spin-polarized electrons and the modulation of polarization direction with liquid crystal variable retarder (LCVR) are discussed.
本文应用蒙特卡罗算法建立了一个光子虚拟源模型，用于模拟计算任意形状和强度的外照射放射治疗的射束分布。
A photon virtual source model was developed for simulating arbitrary shape and intensity distributions of external beam using Monte Carlo method.
本文提出的光子虚拟源模型能够较为精确地模拟计算任意形状和强度的外照射放射治疗射束分布。
The proposed photon virtual source model is suitable for accurately simulating arbitrary shape and intensity distributions of external beam.
本文提出的光子虚拟源模型能够较为精确地模拟计算任意形状和强度的外照射放射治疗射束分布。
The proposed photon virtual source model is suitable for accurately simulating arbitrary shape and intensity distributions of external beam.
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