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Influences of laser bandwidth and intensity on laser ionization of isotope atoms

Fan Feng-Ying Wang Li-Jun

Influences of laser bandwidth and intensity on laser ionization of isotope atoms

Fan Feng-Ying, Wang Li-Jun
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  • The ionization process of the interaction of nonmonochromatic laser with isotope atom system is studied. The multimode laser field is described by a stochastic model of chaotic field. By using the Fokker-Planck equation, the excited dynamic equation ofinteraction of the finite-bandwidth chaotic fields with K-level atom is derived. The influences of laser bandwidth and intensity on ionization efficiency and selectivity of three-level isotope atoms are also discussed.
    • Funds:
    [1]

    Davis J I 1983 IEEETrans. Nucl. Sci. 30 24

    [2]

    Zhao L M,Wang L J 2002 Acta Phys. Sin. 51 1227 (in Chinese)[赵鹭明、 王立军 2002 物理学报 51 1227]

    [3]

    Wang L J,Yu H Y 2004 Acta Phys. Sin. 53 4151 (in Chinese)[王立军、 余慧莺 2004 物理学报 53 4151]

    [4]

    Ackerhalt J R, Eberly J H, Shore B W 1979 Phys. Rev. A 19 248

    [5]

    Cook R J, Shore B W 1979 Phys. Rev. A 20 539

    [6]

    Shore B W, Cook R J 1979 Phys. Rev. A 20 1958

    [7]

    Zoller P 1979 Phys. Rev. A 19 1151

    [8]

    Ackerhalt J R, Shore B W 1977 Phys. Rev. A 16 277

    [9]

    Agostini P, Georges A T, Wheatley S E, Lambropoulos P, Levenson M D 1978 J. Phys. B 11 1733

    [10]

    Katoh K, Hasegawa S, Suzuki A 1990 J. Nucl. Sci.Technol. 27 450

    [11]

    Debethune J L 1972 Nuovo Cimento B 12 101

    [12]

    Avan P, Cohen-Tannoudji C 1977 J. Phys. B 10 155

    [13]

    Louisell W H(Translated by Chen S, Yu X L) 1982 QuantumStatistical Properties of Radiation (Beijing: Science Press) pp556—562 (in Chinese) [路易塞尔W.H.著陈水、 于熙令译 1982 辐射的量子统计性质 (北京: 科学出版社) 第556—562页]

    [14]

    Saleh B (Translated by Han J R, Li Q J) 1978 Photoelectron Statistics with Applications to Spectroscopy and Optical Communication (Beijing: Science Press) pp91—101 (in Chinese) [塞勒B.著, 韩家瑞、 李庆绩译 1978 光电子统计学及光谱与光通讯应用 (北京: 科学出版社) 第91—101页]

  • [1]

    Davis J I 1983 IEEETrans. Nucl. Sci. 30 24

    [2]

    Zhao L M,Wang L J 2002 Acta Phys. Sin. 51 1227 (in Chinese)[赵鹭明、 王立军 2002 物理学报 51 1227]

    [3]

    Wang L J,Yu H Y 2004 Acta Phys. Sin. 53 4151 (in Chinese)[王立军、 余慧莺 2004 物理学报 53 4151]

    [4]

    Ackerhalt J R, Eberly J H, Shore B W 1979 Phys. Rev. A 19 248

    [5]

    Cook R J, Shore B W 1979 Phys. Rev. A 20 539

    [6]

    Shore B W, Cook R J 1979 Phys. Rev. A 20 1958

    [7]

    Zoller P 1979 Phys. Rev. A 19 1151

    [8]

    Ackerhalt J R, Shore B W 1977 Phys. Rev. A 16 277

    [9]

    Agostini P, Georges A T, Wheatley S E, Lambropoulos P, Levenson M D 1978 J. Phys. B 11 1733

    [10]

    Katoh K, Hasegawa S, Suzuki A 1990 J. Nucl. Sci.Technol. 27 450

    [11]

    Debethune J L 1972 Nuovo Cimento B 12 101

    [12]

    Avan P, Cohen-Tannoudji C 1977 J. Phys. B 10 155

    [13]

    Louisell W H(Translated by Chen S, Yu X L) 1982 QuantumStatistical Properties of Radiation (Beijing: Science Press) pp556—562 (in Chinese) [路易塞尔W.H.著陈水、 于熙令译 1982 辐射的量子统计性质 (北京: 科学出版社) 第556—562页]

    [14]

    Saleh B (Translated by Han J R, Li Q J) 1978 Photoelectron Statistics with Applications to Spectroscopy and Optical Communication (Beijing: Science Press) pp91—101 (in Chinese) [塞勒B.著, 韩家瑞、 李庆绩译 1978 光电子统计学及光谱与光通讯应用 (北京: 科学出版社) 第91—101页]

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    [2] Lu Xiao-Yong, Zhang Xiao-Zhang, Zhang Zhi-Zhong. Influences of Doppler broadening of absorption lines on a multi-step photoionization process of atoms. Acta Physica Sinica, 2017, 66(19): 193201. doi: 10.7498/aps.66.193201
    [3] Zhang Kong, Bai Jian-Dong, He Jun, Wang Jun-Min. Influence of laser linewidth on the conversion efficiency of single-pass frequency doubling with a PPMgO: LN crystal. Acta Physica Sinica, 2016, 65(7): 074207. doi: 10.7498/aps.65.074207
    [4] Yang Jia-Qi, Liu Jia-Dong, Liu Tao, Zhang Zhi-Zhong. Influence of laser linewidth on light-induced drift velocity of atom. Acta Physica Sinica, 2018, 67(11): 113201. doi: 10.7498/aps.67.20180375
    [5] Qu Ding-Rong, Fan Feng-Ying, Song Zeng-Yun. Quenching rate of laser-excited lithium atoms with argon molecules in photochemical reaction. Acta Physica Sinica, 2014, 63(3): 032801. doi: 10.7498/aps.63.032801
    [6] MA XING-XIAO. THE KINETICS OF LASER ISOTOPE SEPARATION. Acta Physica Sinica, 1979, 164(1): 1-14. doi: 10.7498/aps.28.1
    [7] MA XING-XIAO, HU ZHAO-LIN. THE KINETIC TREATMENT OF ISOTOPE ENRICHMENT PROCESS UNDER FOCUSED IR LASER PULSE. Acta Physica Sinica, 1978, 163(6): 645-650. doi: 10.7498/aps.27.645
    [8] Li Qin-Lei, Fan Feng-Ying, Xiong Wei-Jia, Chen An-Ying, Li Yan. Laser frequency scale system in carbon isotopic abundance measurement. Acta Physica Sinica, 2013, 62(24): 242801. doi: 10.7498/aps.62.242801
    [9] Chen Zheng-Lin, Zhang Jie, Teng Hao, Zhang Jun, Dong Quan-Li. . Acta Physica Sinica, 2002, 51(5): 1081-1086. doi: 10.7498/aps.51.1081
    [10] XIONG JIN, HU XIANG-MING, PENG JIN-SHENG. LASER LINEWIDTH WITHOUT ROTATING WAVE APPROXIMATION. Acta Physica Sinica, 1999, 48(10): 1864-1868. doi: 10.7498/aps.48.1864
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  • Received Date:  13 October 2010
  • Accepted Date:  30 November 2010
  • Published Online:  15 September 2011

Influences of laser bandwidth and intensity on laser ionization of isotope atoms

  • 1. Department of Engineering Physics, Tsinghua University, Beijing 100084, China

Abstract: The ionization process of the interaction of nonmonochromatic laser with isotope atom system is studied. The multimode laser field is described by a stochastic model of chaotic field. By using the Fokker-Planck equation, the excited dynamic equation ofinteraction of the finite-bandwidth chaotic fields with K-level atom is derived. The influences of laser bandwidth and intensity on ionization efficiency and selectivity of three-level isotope atoms are also discussed.

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