Experimental Evidence of Radiation Amplification Without Population Inversion in Sodium Atoms

Chin. Phys. Lett.

1992, Vol. 9

Issue (11): 589-592 DOI:

Original Articles

Experimental Evidence of Radiation Amplification Without Population Inversion in Sodium Atoms

GAO Jinyue;GUO Chuan*;JIN Guangxu;GUO Xinzhen;WANG Qingwen;ZHANG Hanzhuang;ZHAO Jian;JIANG Yun;WANG Dezhong;JIANG Dongmei

Department of Physics, Jilin University, Changchun 130023 *Changchun Institute of Applied Chemistry, Academia Sinica, Changchun 130022

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GAO Jinyue, GUO Chuan, JIN Guangxu et al 1992 Chin. Phys. Lett. 9 589-592

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Abstract We have demonstrated a radiation amplification without population inversion in sodium according to a four-level model, which was recentlyproposed by Nor-ducci et al. The amplified radiation signal at 589.0nm has been observed when an intense coherent driving field at 589.6nm was on and an incoherent pumping process from the ground state 3S_1/2 to 3P_3/2 excited state was operating.

Keywords: 42.55.Hq 42.60. By 42.55.Bi

Published: 01 November 1992

PACS:	42.55.Hq
	42.60. By
	42.55.Bi

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1992/V9/I11/0589

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	GAO Jinyue
	GUO Chuan
	JIN Guangxu
	GUO Xinzhen
	WANG Qingwen
	ZHANG Hanzhuang
	ZHAO Jian
	JIANG Yun
	WANG Dezhong
	JIANG Dongmei

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