相关实验视频

Updated: May 14, 2025

An Experimental Protocol for Femtosecond NIR/UV - XUV Pump-Probe Experiments with Free-Electron Lasers

An Experimental Protocol for Femtosecond NIR/UV - XUV Pump-Probe Experiments with Free-Electron Lasers

Published on: October 23, 2018

一个基于直流枪和可互换的非常高频枪的注射器测试台,用于超导连续波自由电子激光器

Xinmeng Li¹, Jitao Sun¹, Yong Yu²

¹University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.

Journal of synchrotron radiation

|May 13, 2025

概括

达利安先进光源 (DALS) 的新型超导注入器测试台评估了极紫外线 (EUV) 自由电子激光 (FEL) 研究的电子源. 模拟显示直流 (DC) 枪是非常高频 (VHF) 枪的有希望的替代品.

科学领域:

物理物理学物理
加速器科学加速器科学
材料科学材料科学材料科学

背景情况:

使用超导射频 (SRF) 技术的连续波自由电子激光器 (CW-FEL) 提供高亮度的光子脉冲.
大连先进光源 (DALS) 是一个拟用于化学物理研究的极紫外线 (EUV) CW-FEL设施.
电子源的选择对CW-FEL性能至关重要,直流 (DC) 和非常高频 (VHF) 枪是主要的候选者.

研究的目的:

为DALS.设计和建造一个超导CW注入器测试台 (电子源测试设施 - ESTF).
在ESTF中评估DC和VHF电子枪的性能.
为了证明一个可行的和成本效益的两个枪切换方案的测试床.

主要方法:

设计ESTF注入器测试台以适应DC和VHF炮,最小修改.
实施双枪切换方案,以实现无的枪支互换.
从开始到结束的电子束动力学模拟,从枪生产到加速,压缩和波浪器激光.

主要成果:

该ESTF设计成功地容纳了DC和VHF炮,验证了两炮切换方案.
注射器性能模拟表明,直流枪是达尔斯的可行和有前途的电子源.
电流炮显示出EUV应用的潜力,尽管目前的CW-FEL设施主要使用VHF炮.

结论:

ESTF是用于展示和表征先进CW-FEL电子源的关键设施.
电流炮为EUV CW-FEL提供了一个引人注目的替代品,提供了可比或优越的性能.
这项研究通过验证关键注入器技术,支持开发下一代光源,如DALS.

关键词:

一直流的枪枪.电子注入器的电子注入器自由电子激光器是什么?超导无线电频率超导体非常高频枪非常高频枪.

更多相关视频

Cryogenic Liquid Jets for High Repetition Rate Discovery Science

Cryogenic Liquid Jets for High Repetition Rate Discovery Science

Published on: May 9, 2020

Automated Delivery of Microfabricated Targets for Intense Laser Irradiation Experiments

Automated Delivery of Microfabricated Targets for Intense Laser Irradiation Experiments

Published on: January 28, 2021

相关概念视频

Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation

Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation

Inductively coupled plasma (ICP) is the common plasma source used in atomic emission spectroscopy (AES), a technique that detects and analyzes various elements in a sample. This method is often called inductively coupled plasma atomic emission spectroscopy (ICP-AES).
There are three main types of inductively coupled plasma atomic emission spectroscopy (ICP-AES) instruments: sequential, simultaneous multichannel, and Fourier transform instruments, with the latter being less commonly used....

Inductively Coupled Plasma Atomic Emission Spectroscopy: Principle

Inductively Coupled Plasma Atomic Emission Spectroscopy: Principle

Inductively coupled plasma (ICP) is the most widely used plasma source in atomic emission spectroscopy (AES), also known as Inductively Coupled Plasma Optical Emission Spectroscopy (ICP-OES). The ICP source, or torch, consists of three concentric quartz tubes with argon gas flowing through them. A spark from a Tesla coil initiates the ionization of argon, generating a high-temperature plasma.
The ions and electrons produced interact with the fluctuating magnetic field created by a water-cooled...

Atomic Emission Spectroscopy: Instrumentation

Atomic Emission Spectroscopy: Instrumentation

The instrumentation of atomic emission spectrometry (AES) involves various components, including atomization devices that convert samples into gas-phase atoms and ions. There are two main types of atomization devices: continuous and discrete atomizers. Continuous atomizers, like plasmas and flames, introduce samples in a constant stream, while discrete atomizers inject individual samples using syringes or autosamplers. The most common discrete atomizer is the electrothermal atomizer.