CRIF: Development of Ultrafast X-ray Shutters for Chemistry Research

CRIF：开发用于化学研究的超快 X 射线快门

• 批准号: 0618528
• 负责人: Philip Coppens
• 金额: $ 26.99万
• 依托单位: SUNY at Buffalo
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2006
• 资助国家: 美国
• 起止时间: 2006-09-01 至 2012-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0618528&HistoricalAwards=false
• 关键词: CRIF; Development; Ultrafast; ray; Shutters

With support from the Chemistry Research Instrumentation and Facilities: Instrument Development (CRIF:ID)program, the Department of Chemistry at SUNY at Buffalo will develop under the direction of Philip Coppens two fast X-Ray shutters for chemistry research at high intensity light sources. One instrument is a pulse selector to allow selection of individual X-ray pulses in standard operating modes of synchrotron rings. The second instrument is a heat-load shutter capable of absorbing the large fraction of the energy of a white X-ray beam that is not used in the polychromatic time-resolved experiment.The shutters will allow extension of atomic resolution time-resolved diffraction methods to shorter lifetime excited species and eventually to mapping of chemical reactions in solids. As Chemistry is often defined as a science of molecular change, time-resolved research at atomic resolution is of central importance. This technology advance will allow utilization of the photon beam in the common operating modes of storage rings and is expected to stimulate this field of research.

在化学研究仪器和设施：仪器开发（CRIF：ID）计划的支持下，纽约州立大学布法罗分校化学系将在Philip Coppens的指导下开发两种用于高强度光源化学研究的快速X射线快门。 一种仪器是脉冲选择器，允许在同步加速器环的标准操作模式下选择单个X射线脉冲。 第二个仪器是一个热负荷快门，能够吸收大部分的白色X射线束的能量，而不是在多色时间分辨实验中使用。快门将允许原子分辨率的时间分辨衍射方法扩展到较短的寿命激发物种，并最终映射在固体中的化学反应。 由于化学通常被定义为分子变化的科学，原子分辨率的时间分辨研究至关重要。 这一技术进步将允许在储存环的共同操作模式中利用光子束，预计将促进这一领域的研究。