Realization of MOEMS pressure sensor using mach zehnder interferometer

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• 作者：Sumit Kumar Jindal…
• 关键词：Diaphragm ; Mach zhender interferometer ; MOEMS ; Opti ; BPM ; Solidworks
• 刊名：Journal of Mechanical Science and Technology
• 出版年：2015
• 出版时间：September 2015
• 年：2015
• 卷：29
• 期：9
• 页码：3831-3839
• 全文大小：887 KB
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• 作者单位：Sumit Kumar Jindal (1)
  Sanjeev Kumar Raghuwanshi (1)
  Ajay Kumar (1)
  
  1. Photonics Laboratory, Department of Electronics Engineering, Indian School of Mines, Dhanbad, Jharkhand, 826004, India
  
• 刊物类别：Engineering
• 刊物主题：Mechanical Engineering
  Structural Mechanics
  Control Engineering
  Industrial and Production Engineering
  
• 出版者：The Korean Society of Mechanical Engineers
• ISSN：1976-3824

文摘

In this paper we first time realize the all optical pressure sensor using the Mach Zehnder interferometer. In this study, initially a circular shape clamped diaphragm is taken and pressure is applied. The deflection which is maximum at the centre is taken across a potentiometer (POT hereafter) and corresponding output voltage is noted. This voltage is applied across the electrode of Mach Zehnder Interferometer (MZI) and depending upon the specific value of electrode voltage the intensity of the optical signal varies, which provides the proper relation between the applied pressure and normalized intensity of the optical signal. The optical switching phenomena in the MZI structure can be effectively used as an efficient pressure sensors. The paper includes the suitable expressions for the central deflection of clamped edge pressure sensor diaphragm, the voltage output by POT and intensity of optical signal for MZI. The results are very effectively supported by the use of Solidworks and Opti-BPM. The error for the said parameters is also calculated and it is found in good agreement with the desired results. Keywords Diaphragm Mach zhender interferometer MOEMS Opti-BPM Solidworks