| Effect of Doppler broadening on gain in an open V-type inversionless lasing system |
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| 作者姓名： | 樊锡君 徐慧 田淑芬 仝殿民 |
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| 作者单位： | Physics Department，Shandong Normal University，Ji'nan 250014，Physics Department，Shandong Normal University，Ji'nan 250014，Communication College，Shandong Normal University，Ji'nan 250014，Physics Department，Shandong Normal University，Ji'nan 250014 |
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| 基金项目： | This work wass，IPPorted by theN战ional Natural Science foundation of China under Grant No.69978011 and the Natural Science Foundation of Shandong Province under Grant No.Y2001A07. |
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| 摘 要： | Our study shows that for the copropagating probing and driving fields, the gain without inversion doesn't monotonously decrease or increase with the increasement of Doppler width. When the driving field is resonant, at a suitable Doppler width, we can get a maximum value of the gain without inversion, which is much larger than that obtained when Doppler broadening is absent.
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