作者: Jinyue Gao , Chuan Guo , Xiuzheng Guo , Guangxu Jin , Pingwen Wang
DOI: 10.1016/0030-4018(92)90193-U
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摘要: Abstract We discuss the results of experiments on amplification visible electromagnetic radiation without population inversion using sodium vapor as active medium. The main result this work is a weak probe beam at wavelength 589.0 nm in presence an intense, pulsed, coherent driving field 589.6 nm.