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Precise relative rotation sensing using slow light |
| Wang Nan(王楠), Zhang Yun-Dong(掌蕴东)†, Wang Hao(王号), Tian He(田赫), Qiu Wei(邱巍), Wang Jin-Fang(王金芳), and Yuan Ping(袁萍) |
| National Key Laboratory of Tunable Laser Technology, Institute of Opto-electronics, Harbin Institute of Technology, Harbin 150080, China |
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Abstract A novel relative rotation sensor based on slow light is proposed and analysed. A theoretical analysis shows that the high sensitivity of the proposed rotation sensor is achieved through an electromagnetically-induced-transparency medium. Unlike the tradition detection method, the idea of rotation sensing is to detect group delay between counterpropagating wave packets. It can be used to realize an ultra-precise rotation sensor.
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Received: 12 May 2008
Revised: 16 June 2009
Accepted manuscript online:
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PACS:
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07.07.Df
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(Sensors (chemical, optical, electrical, movement, gas, etc.); remote sensing)
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06.30.Bp
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(Spatial dimensions)
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42.50.Gy
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(Effects of atomic coherence on propagation, absorption, and Amplification of light; electromagnetically induced transparency and Absorption)
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| Fund: Project supported by the National
Natural Science Foundation of China (Grant Nos. 60272075, 60478014
and 60870006), and the National High Technology Research and
Development Program of China (Grant No. 2007AA12Z112). |
Cite this article:
Wang Nan(王楠), Zhang Yun-Dong(掌蕴东), Wang Hao(王号), Tian He(田赫), Qiu Wei(邱巍), Wang Jin-Fang(王金芳), and Yuan Ping(袁萍) Precise relative rotation sensing using slow light 2010 Chin. Phys. B 19 014216
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