Optical Scale Laser-Driven Electron Accelerators for Attosecond Radiation Sources

用于阿秒辐射源的光学级激光驱动电子加速器

• 批准号: 1535711
• 负责人: Robert Byer
• 金额: $ 45万
• 依托单位: Stanford University
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2015
• 资助国家: 美国
• 起止时间: 2015-09-01 至 2018-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1535711&HistoricalAwards=false
• 关键词: Optical; Scale; Laser; Driven; Electron

Particle accelerators are a critical scientific and industrial tool in many fields, from probing the structure of matter at its fundamental levels to industrial radioisotope production, medical radiation therapy, and security scanners. In the past two years, the first demonstrations have been conducted of a revolutionary new approach that combines the fabrication methods of the microchip industry with modern lasers to greatly shrink the size and cost of particle accelerators. This opens the door to creating a future generation of miniaturized "accelerator on a chip" devices that could be used to produce pulses of radiation on unprecedentedly short time scales, shorter than one millionth of a billionth of a second. Such accelerators of the future could open new avenues of scientific research, including the potential for making "molecular movies" that reveal the inner workings of some of nature's fastest events. Students working in this program will receive an education of unrivaled depth by interacting with faculties from multiple scientific fields as well as the diverse communities of researchers at Stanford, UCLA, Tel-Aviv University, and SLAC National Accelerator Laboratory where much of the experimental work will take place.This project is a three-year collaborative program to advance the concept of a laser-powered nanofabricated dielectric laser accelerator (DLA) with the ultimate goal of making compatible ultra-short pulsed radiation sources. This approach has been colloquially referred to as an "accelerator on a chip." The different essential components will be developed by the collaborating groups, including theory, design, and laboratory demonstrations at Stanford University, Tel-Aviv University, SLAC National Accelerator Laboratory, and University of California Los Angeles. The development of the particle source and low-energy accelerator for these tests will occur in close collaboration with Erlangen University, Germany. The theory of DLA radiation schemes will be developed for potential short-wavelength coherent radiation sources based on high-harmonic (super-radiant) emission and free electron laser amplification schemes with femtosecond to attosecond pulses. The NSF program will support the research of one graduate student in this field, working on design, fabrication, and testing of these concepts in conjunction with faculty, scientific staff, and students at the collaborating institutions to provide an unparalleled and multi-disciplinary educational experience.

粒子加速器是许多领域的重要科学和工业工具，从探测物质的基本结构到工业放射性同位素生产、医疗放射治疗和安全扫描仪。 在过去两年中，首次演示了一种革命性的新方法，该方法将微芯片行业的制造方法与现代激光器相结合，大大缩小了粒子加速器的尺寸和成本。 这为创建下一代微型“芯片加速器”设备打开了大门，该设备可用于在前所未有的短时间尺度（短于十亿分之一秒的百万分之一）内产生辐射脉冲。 未来的此类加速器可以开辟科学研究的新途径，包括制作“分子电影”的潜力，以揭示一些自然界最快事件的内部运作方式。 参与该项目的学生将通过与来自多个科学领域的教师以及斯坦福大学、加州大学洛杉矶分校、特拉维夫大学和 SLAC 国家加速器实验室的不同研究人员社区的互动，获得无与伦比的深度教育，大部分实验工作将在该实验室进行。该项目是一个为期三年的合作项目，旨在推进激光驱动的纳米制造介电激光加速器的概念 （DLA）的最终目标是制造兼容的超短脉冲辐射源。 这种方法通俗地称为“芯片上的加速器”。 不同的基本组件将由合作小组开发，包括斯坦福大学、特拉维夫大学、SLAC国家加速器实验室和加州大学洛杉矶分校的理论、设计和实验室演示。用于这些测试的粒子源和低能加速器的开发将与德国埃尔兰根大学密切合作。 DLA 辐射方案的理论将针对基于高次谐波（超辐射）发射和飞秒至阿秒脉冲的自由电子激光放大方案的潜在短波长相干辐射源而发展。 NSF 项目将支持一名研究生在该领域的研究，与合作机构的教师、科研人员和学生一起致力于这些概念的设计、制造和测试，以提供无与伦比的多学科教育体验。