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飞秒强场中NO_(2)的解离

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摘要 分别利用810,405和270nm飞秒激光对NO2的解离和电离现象进行了实验研究.结果表明在3种波长下NO2+/NO+比率与场强无关,而与波长有关,即长波长有利于产生母体离子,较短波长易产生碎片离子;碎片离子来源于场致电离产生的母体离子进一步解离;实验中所有碎片离子峰形都显示解离过程释放出很小的平动能.和激光强度相比,激光波长在多原子分子强场电离解离过程中更为重要.
出处 《科学通报》 EI CAS CSCD 北大核心 2006年第6期641-645,共5页 Chinese Science Bulletin
基金 国家重点基础研究发展规划(批准号:G1999075301) 国家自然科学基金(批准号:20273072,20473090)资助项目.
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