用双光子电离探测技术研究奇宇称的Sm原子光谱

李鸣; 戴长建; 谢军

doi:10.7498/aps.59.3154

摘要

采用两台激光器对Sm原子奇宇称激发态的光谱及其特性进行了系统研究.利用一台波长在585 nm到663 nm之间调谐的染料激光器，将Sm原子从某个4f66s27FJ(J=0—6)态激发到具有奇宇称的4f66s6p或4f55d6s2激发态.然后，采用波长固定在532 nm的强激光束，对处于上述奇宇称激发态的Sm原子进行双光子电离，以实现探测其光谱信息

关键词:

In this paper, spectra of odd-parity states of Sm atom are systematically studied with two-photon ionization detection method. The Sm atom is excited by a pulsed dye laser and scanned from 585 nm to 663 nm, so that it is populated in different odd-parity states with 4f66s6p and 4f55d6s2 electronic configurations from one of the 4f66s27FJ(J=0—6) states. Then the Sm atom is further excited and ionized by a two-photon transition with a second laser which has a much higher intensity and a fixed wavelength. The Sm ions emerging from the above processes were detected by an MCP detector. Some of the transitions are reported for the first time together with their resonance wavelengths and relative strengths, while the rest of them which have been reported previously in the litcrature are confirmed by the present work with supplementary information on their relative strengths.

Keywords:

作者及机构信息

1.
天津理工大学主校区理学院，天津 300384

基金项目: 国家自然科学基金（批准号：10574098，10674102）、天津市自然科学基金（批准号：05YFJMJC05200）资助的课题.

Authors and contacts

1.
天津理工大学主校区理学院，天津 300384

参考文献

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[3]	［3］Quan W, Liu H P, Shen L, Zhan M S 2007 Chin. Phys. 16 3642
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[9]	［9］Liang L, Wang Y C, Chao Z, Qiang W C 2007 J. Phys. B 75 127
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[14]	］Hu S F, Zhang S, Mei S M, Qiu J Z, Chen X 1990 J. Quant. Spectrosc. Radiat. Transfer 1 75
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[17]	］Jia L, Jing C Y, Zhou Z Y, Liu F C 1992 J. Opt. Soc. Am. B 10 1317
[18]	］Jayasekharan T, Razvi M A N, Bhale G L 2000 J. Phys. B 33 3123
[19]	］Nakhate S G, Razvi M A N, Connerade J P, Ahmad S A 2000 J. Phys. B 33 5191
[20]	］Pulhani A K, Shah M L, Dev V, Suri B M 2004 J. Opt. Soc. Am. B 22 1117
[21]	］Park H, Kim H, Yi J, Han J, Rhee Y, Lee J 1998 J. Kore. Phys. Soci. 33 288
[22]	］Gononai A I, Plekan O I 2003 J. Phys. B 36 4155
[23]	］Guan F, Dai C J, Zhao H Y 2008 Chin. Phys. B 17 3655
[24]	］Martin W C, Zalubas R, Hagan L 1978 Atomic Energy Levels-The Rare-Earth Elements, NSRDS-NBS60 (U.S. GPO, Washington, D.C.) p162
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施引文献

[1]	［1］Li S B, Dai C J, Sun W, Xue P 2001 J. Phys. B 34 2123
[2]	［2］Huang W, Xu X Y, Xu C B, Xue P, Xue M, Chen D Y 1996 Phys. Rev. A 54 5423
[3]	［3］Quan W, Liu H P, Shen L, Zhan M S 2007 Chin. Phys. 16 3642
[4]	［4］Camus P, Gallagher T F, Lecomte J M, Pillet P, Pruvost L 1989 Phys. Rev. Lett. 62 2365
[5]	［5］Fedoseev V N, Mishin V I, Vedeneev D S, Zuzikov A D 1991 J. Phys. B 24 1575
[6]	［6］Ding X B, Dong C Z, Fumihiro K, Takato K, Stephan F 2008 Chin. Phys. B 17 0592
[7]	［7］Vidolova E P, Krustev T B, Angelov D A, Mincheva S 1997 J. Phys. B 30 667
[8]	［8］Zhang L J, Feng Z G, Li A L, Zhao J M, Li G Y, Jia S T 2009 Chin. Phys. B 18 1838
[9]	［9］Liang L, Wang Y C, Chao Z, Qiang W C 2007 J. Phys. B 75 127
[10]	］Lange V, Aymar M, Eichmann U, Sandner W 1991 J. Phys. B 24 91
[11]	］Raheel A, Yaseen M, Nadeem A, Bhatti S A, Baig M A 1999 J. Phys. B 32 953
[12]	］Raheel A, Nadeem A, Yaseen M, Aslam M, Bhatti S A, Baig M A 1999 J. Phys. B 32 4361
[13]	］Yi J, Park H, Lee J 1998 J. Kore. Phys. Soci. 5 916
[14]	］Hu S F, Zhang S, Mei S M, Qiu J Z, Chen X 1990 J. Quant. Spectrosc. Radiat. Transfer 1 75
[15]	］Hu S F, Mei S M, Zhang S, Chen X, Xu Y F 1990 Chin. Phys. Lett. 6 64
[16]	］Hu S F, Qiu J Z, Wang G, Liang Y, Chen X 1989 Acta. Phys. Sin. 38 487 (in Chinese) ［胡素芬、邱济真、张森、王刚、梁宜、陈星 1989 38 487］
[17]	］Jia L, Jing C Y, Zhou Z Y, Liu F C 1992 J. Opt. Soc. Am. B 10 1317
[18]	］Jayasekharan T, Razvi M A N, Bhale G L 2000 J. Phys. B 33 3123
[19]	］Nakhate S G, Razvi M A N, Connerade J P, Ahmad S A 2000 J. Phys. B 33 5191
[20]	］Pulhani A K, Shah M L, Dev V, Suri B M 2004 J. Opt. Soc. Am. B 22 1117
[21]	］Park H, Kim H, Yi J, Han J, Rhee Y, Lee J 1998 J. Kore. Phys. Soci. 33 288
[22]	］Gononai A I, Plekan O I 2003 J. Phys. B 36 4155
[23]	］Guan F, Dai C J, Zhao H Y 2008 Chin. Phys. B 17 3655
[24]	］Martin W C, Zalubas R, Hagan L 1978 Atomic Energy Levels-The Rare-Earth Elements, NSRDS-NBS60 (U.S. GPO, Washington, D.C.) p162
[25]	］Zhao H Y, Dai C J, Guan F 2009 J. Phys. B 42 065001
[26]	］Zhao H Y, Dai C J, Cuan F 2009 Chin. Phys. B 58 0215

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