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CH3I分子在440—510nm激光作用下多光子电离

物理学报, 1998, 47(9): 1465-1469.
DOI: 10.7498/aps.47.1465
CSTR: 32037.14.aps.47.1465

MECHANISM OF MULTIPHOTON IONIZATION OF CH3I IN THE 440—510nm REGION

Acta Phys. Sin., 1998, 47(9): 1465-1469.
DOI: 10.7498/aps.47.1465
CSTR: 32037.14.aps.47.1465
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  • 摘要

    利用飞行时间质谱仪研究了CH3I分子在440—510nm波段的多光子电离(MPI)机理.在该波段，CH3I分子吸收三光子激光能量与(5pπ,6p)里德伯态高频端发生共振，然后继续吸收光子电离解离成最终产物离子.

     

    Abstract

    The multiphoton ionization spectrum of methyl iodide is studied in the 440—510nm region.Three-photon is just resonant with the high-frequency tail of the (5pπ,6p) Rydberg state of methyl iodide.Then the excited methyl iodide continually absorbs another photon to be ionized and dissociated into fragment ions.

     

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