Engineering Research Equipment Grant: Excimer Laser

工程研究设备补助金：准分子激光器

• 批准号: 8506870
• 负责人: Erhard Rothe
• 金额: $ 3.3万
• 依托单位: Wayne State University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1985
• 资助国家: 美国
• 起止时间: 1985-09-01 至 1987-02-28
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=8506870&HistoricalAwards=false
• 关键词: Engineering; Research; Equipment; Grant; Excimer

An excimer laser is being purchased to be used to investigate the breakup of transition complexes such as those occurring in photodissociation, chemical reactions, inelastic collisions, or gas desorption from a surface. This instrument provides pulses of linearly-polarized ultra-violet light that are used to dissociate internally-cold molecules. The products are analyzed with a second laser, via laser-induced fluorescence, for specific electronic, vibrational, and rotational states. The determination of molecular alignments can yield detailed information about the dynamics of the reactions. For example, an unpaired electron lobe often preferentially points in the direction of a broken bond. The experiments add a new dimension of understanding to these processes.

正在购买一种准分子激光器，以研究过渡复合物的破裂，例如在光解离，化学反应，非弹性碰撞或表面上的气体解吸中发生的复合物。 该仪器提供线性偏振的超紫光的脉冲，用于解离内部冷分子。 用第二激光通过激光诱导的荧光分析产品，以用于特定的电子，振动和旋转状态。 分子比对的确定可以产生有关反应动力学的详细信息。 例如，未配对的电子叶通常优先指向断裂的方向。 实验为这些过程增加了理解的新维度。