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| Dissymmetrical 3×3 Coupled Optical Accelerometer | |
| 引用本文： | GUO Hai-bo,WANG Jin-hai,LIU Chang-chun,YAO Yin-hua,ZHANG Cheng. Dissymmetrical 3×3 Coupled Optical Accelerometer[J]. 半导体光子学与技术, 2007, 13(3): 174-180 |
| 作者姓名： | GUO Hai-bo WANG Jin-hai LIU Chang-chun YAO Yin-hua ZHANG Cheng |
| 作者单位： | GUO Hai-bo:College of Information and Communication Engineering, Tianjin Polytechnic University, Tianjin 300160, CHN WANG Jin-hai:College of Information and Communication Engineering, Tianjin Polytechnic University, Tianjin 300160, CHNCollege of Precision Instrument & Optoelectronics Engineering, Tianjin University, Tianjin 300072, CHN LIU Chang-chun:College of Information and Communication Engineering, Tianjin Polytechnic University, Tianjin 300160, CHN YAO Yin-hua:College of Information and Communication Engineering, Tianjin Polytechnic University, Tianjin 300160, CHN ZHANG Cheng:College of Information and Communication Engineering, Tianjin Polytechnic University, Tianjin 300160, CHN |
| 摘 要： | Without adding feedback to modulate light path system, the dissymmetrical 3×3 coupled optical accelerometer reduces the complexity of the design of light path system. Experiments prove that it can attain good demodulation effects. As carrier is not needed in this system, the frequency range of input signal is diminished so as to decrease the sampling frequency of accelerometer. This makes for the system on programmable chip(SOPC) design of digital demodulating system. The upper limit of accelerometer working frequency can reach 3 500 Hz. But affected by the inherent frequency of sensitive components, its working frequency is 10 Hz～1 000 Hz, and the sensitivity is 8.718 0 V/(m·s-2). This accelerometer can detect the dynamic range of acceleration signal real-timely, steadily and accurately, solving the dissymmetrical problem of light path caused by circumstances and the complexity of process. |
| 关 键 词： | dissymmetrical 3×3 couple accelerometer SOPC |
| 收稿时间： | 2007-04-06 |
Dissymmetrical 3×3 Coupled Optical Accelerometer |
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| GUO Hai-bo,WANG Jin-hai,LIU Chang-chun,YAO Yin-hua,ZHANG Cheng,. Dissymmetrical 3×3 Coupled Optical Accelerometer[J]. Semiconductor Photonics and Technology, 2007, 13(3): 174-180 | |
| Authors: | GUO Hai-bo WANG Jin-hai LIU Chang-chun YAO Yin-hua ZHANG Cheng |
| Abstract: | Without adding feedback to modulate light path system, the dissymmetrical 3×3 coupled optical accelerometer reduces the complexity of the design of light path system. Experiments prove that it can attain good demodulation effects. As carrier is not needed in this system, the frequency range of input signal is diminished so as to decrease the sampling frequency of accelerometer. This makes for the system on programmable chip(SOPC) design of digital demodulating system. The upper limit of accelerometer working frequency can reach 3 500 Hz. But affected by the inherent frequency of sensitive components, its working frequency is 10 Hz~1 000 Hz, and the sensitivity is 8.718 0 V/(m·s-2). This accelerometer can detect the dynamic range of acceleration signal real-timely, steadily and accurately, solving the dissymmetrical problem of light path caused by circumstances and the complexity of process. |
| Keywords: | dissymmetrical 3×3 couple accelerometer SOPC |
