贾书海
- 教授
- Supervisor of Doctorate Candidates
- Supervisor of Master's Candidates
- E-Mail:
- Date of Employment:2003-12-01
- Education Level:With Certificate of Graduation for Doctorate Study
- Professional Title:教授
- Status:Employed
- Alma Mater:西安交通大学
- College:School Of Mechanical Engineering
- Discipline:Mechanical Engineering
- Papers
Design of optical acceleration sensor based on diffractive micro lens
Release Time:2025-04-30 Hits:
- Date:2025-04-30
- Title of Paper:Design of optical acceleration sensor based on diffractive micro lens
- Journal:光子学报
- Summary:A novel optical acceleration sensor based on a Fresnel diffractive micro lens is presented. It can effectively solve the low immunity of inertial sensors widely used in navigation system towards electro magnetic interference and electro magnetic pulse. A reflecting membrane is parallelly located behind the diffractive micro lens and its displacement is determined by the acceleration. Acceleration is calculated by measuring variational light intensity at the frontal focal point of the lens. The principles of the sensor and its dynamic system are described, and both the diffractive micro lens and the micro spring-mechanical structure of the dynamic system were designed and fabricated. Moreover, the performance and error of the sensor were analyzed. The results of proof-of-principle experiments indicate that the principle of the novel sensor is correct and the sensor has merits of simple structure and high sensitivity.
- Co-author:Jia Shuhai；Kong Weijun；Yang Jia
- Volume:8(27)
- Page Number:1494-1497
- Translation or Not:No
- Date of Publication:2007-01-29