undulator

简明释义

英[ˈʌndjʊleɪtə(r)]美[ˈʌndjʊleɪtər]

n. [通信] 波纹机；[物] 波动器；[通信] 波纹收报机；[通信] 波纹印码机

英英释义

单词用法

同义词

反义词

例句

1.Undulator rms phase error is expressed as function of the magnet peak field distribution. It can be used as the objective function for practical undulator performance optimization.

给出了波荡器位相误差的函数式，可由磁场峰值分布直接计算波荡器位相均方根误差。

2.Undulator oar, boating on the lake, Fun for all at.

凌波荡桨，泛舟湖上，其乐无穷。

3.The effects of undulator phase errors on the Free Electron Laser small signal gain is analyzed and discussed.

对波荡器位相误差对自由电子激光小信号增益的影响进行了分析讨论。

4.The angular spectrum of spontaneous emission in a wo-dimensional undulator free-electron laser is analyzed theoretically.

本文对二维摆动磁场自由电子激光的自发辐射频谱进行了理论分析，并对分析结果进行了数值计算。

5.We have derived the formulas of harmonic spontaneous emission power density, small signal gain of this undulator FEL and the coupling coefficients between the electrons and the radiation field.

导出了这种新型摇摆场结构自由电子激光高次谐波的自发辐射功率密度和小信号增益公式。以及电子与辐射场的耦合系数的表达式。

6.The advanced photon source, especially the synchrotron radiation photon exited from undulator is equipped with extremely high power density.

第三代同步辐射光源，尤其是由波荡器引出的同步辐射光，具有极高的功率密度。

7.Making the second section undulator of optical klystron resonant with the higher harmonic of the laser, the harmonic emission can be enhanced.

使光学速调管第二段波动器的磁场参数与光场的高次谐波共振，与对称光学速调管情况相比，可使产生的相干谐波辐射强度提高。

8.We have derived the formulas of harmonic spontaneous emission power density, small signal gain of this undulator FEL and the coupling coefficients between the electrons and the radiation field.

导出了这种新型摇摆场结构自由电子激光高次谐波的自发辐射功率密度和小信号增益公式。以及电子与辐射场的耦合系数的表达式。

9.The design of the undulator affects the efficiency of the synchrotron facility.

对undulator的设计影响同步辐射设施的效率。

10.The particle accelerator uses an undulator to produce high-intensity synchrotron radiation.

粒子加速器使用一个undulator来产生高强度的同步辐射。

11.An undulator consists of a series of alternating magnetic fields.

一个undulator由一系列交替的磁场组成。

12.In free electron lasers, the undulator plays a crucial role in generating coherent light.

在自由电子激光器中，undulator在生成相干光方面起着至关重要的作用。

13.Researchers adjusted the settings of the undulator to optimize the wavelength of the emitted X-rays.

研究人员调整了undulator的设置，以优化发射的X射线波长。

作文

In the field of physics and engineering, the term undulator refers to a device that produces a periodic magnetic field, which is essential in generating synchrotron radiation. This radiation is crucial for various applications, including materials science, biology, and medical imaging. The undulator consists of a series of alternating magnetic poles that force charged particles, such as electrons, to oscillate as they travel through the device. This oscillation results in the emission of highly collimated beams of light, known as synchrotron radiation, which have unique properties that make them invaluable for scientific research.The operation of an undulator is based on the principles of electromagnetism and the behavior of charged particles in magnetic fields. When a beam of electrons passes through the undulator, it experiences a sinusoidal magnetic field that causes it to move in a wavy path. As the electrons accelerate and decelerate, they emit photons in the form of light. The wavelength of this emitted light can be adjusted by changing the gap between the magnetic poles or the energy of the electron beam, allowing researchers to access a wide range of wavelengths from infrared to X-rays.One of the remarkable features of synchrotron radiation produced by an undulator is its brightness and coherence. The emitted light is extremely intense and can be focused to a very small spot, making it ideal for techniques such as X-ray diffraction and spectroscopy. These techniques are widely used in crystallography, where scientists study the structures of molecules and materials at the atomic level. The ability to manipulate the characteristics of the emitted light allows researchers to conduct experiments that were previously impossible with conventional light sources.In addition to its applications in basic research, undulators are also used in various industrial processes. For example, they play a vital role in the development of advanced imaging techniques used in medicine, such as computed tomography (CT) scans and cancer treatment. The high-energy X-rays produced by undulators can penetrate biological tissues, enabling doctors to visualize internal structures with remarkable clarity.Furthermore, the use of undulators in particle accelerators has revolutionized our understanding of fundamental physics. By providing researchers with powerful tools to probe the properties of matter and energy, undulators have contributed to groundbreaking discoveries in particle physics, such as the identification of new particles and the exploration of the fundamental forces of nature.In conclusion, the undulator is an essential device in modern physics and engineering, playing a crucial role in the generation of synchrotron radiation. Its ability to produce highly collimated and tunable beams of light has opened up new avenues for scientific research and industrial applications. As technology continues to advance, the importance of undulators will only grow, further enhancing our understanding of the universe and improving various aspects of our daily lives.

在物理和工程领域，术语undulator指的是一种产生周期性磁场的装置，这对于生成同步辐射至关重要。这种辐射在材料科学、生物学和医学成像等各种应用中都非常重要。undulator由一系列交替的磁极组成，迫使带电粒子（如电子）在设备中运动时发生振荡。这种振荡导致发出高度平行的光束，即同步辐射，这种光束具有独特的特性，使其在科学研究中不可或缺。undulator的操作基于电磁学原理和带电粒子在磁场中的行为。当电子束通过undulator时，它会经历一个正弦波形的磁场，使其沿着波浪路径移动。随着电子的加速和减速，它们以光的形式发出光子。这种发射光的波长可以通过改变磁极之间的间隙或电子束的能量来调整，使研究人员能够访问从红外线到X射线的广泛波长。由undulator产生的同步辐射的一个显著特征是其亮度和相干性。发射的光极其强烈，并且可以聚焦到非常小的点，这使其非常适合用于X射线衍射和光谱分析等技术。这些技术广泛应用于晶体学，科学家们在这里研究分子和材料在原子级别的结构。操控发射光特性的能力使研究人员能够进行以前无法用传统光源进行的实验。除了在基础研究中的应用外，undulators还被用于各种工业过程。例如，它们在医学中先进成像技术的发展中发挥了至关重要的作用，如计算机断层扫描（CT）和癌症治疗。undulators产生的高能X射线可以穿透生物组织，使医生能够以惊人的清晰度可视化内部结构。此外，undulators在粒子加速器中的使用彻底改变了我们对基本物理学的理解。通过为研究人员提供强大的工具来探测物质和能量的性质，undulators为粒子物理学中的突破性发现做出了贡献，例如新粒子的识别和对自然基本力的探索。总之，undulator是现代物理和工程中必不可少的设备，在同步辐射的生成中发挥着关键作用。它能够产生高度平行和可调节的光束，为科学研究和工业应用开辟了新的途径。随着技术的不断进步，undulators的重要性只会增加，进一步增强我们对宇宙的理解，并改善我们日常生活的各个方面。