| Transmission characteristics of an excited-state induced dispersion optical filter of rubidium at 775.9 nm |
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| 作者姓名： | 何竹松 掌蕴东 刘双强 袁萍 |
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| 作者单位： | State Key Laboratory of Tunable Laser Technology Institute of Optoelectronics，Harbin Institute of Technology，State Key Laboratory of Tunable Laser Technology，Institute of Optoelectronics，Harbin Institute of Technology，State Key Laboratory of Tunable Laser Technology，Institute of Optoelectronics，Harbin Institute of Technology，State Key Laboratory of Tunable Laser Technology，Institute of Optoelectronics，Harbin Institute of Technology，Harbin 150080，Harbin 150080，Harbin 150080，Harbin 150080 |
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| 基金项目： | This work was supported by the National Natural Science Foundation of China (No. 60272075 and 60478014)，partially supported by the Program of Excellent Team in Harbin Institute of Technology (HIT). |
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| 摘 要： | The operation of an ultra-narrow bandwidth optical filter based on the 5P3/2→5D3/2 excited-state transition in rubidium vapor is reported. The 5D3/2 state is excited by a circularly polarized pump beam at 780 nm from a diode laser. The filter displays a single 398-MHz bandwidth at a peak transmission of 9.0%, which is narrower than the Doppler bandwidth. The dependence of peak transmission on the pump intensity and cell temperature is also given.
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