Temperature sensor and display researched based on micro-deformation of beam splitting mirror in holographic system

Photoelectronic Technology Committee Conferences Pub Date : 2015-04-13 DOI:10.1117/12.2180057

Delong Yang, Xiuyan Chen, P. Gao, Ji Yu, Xue Sun, Xin Wang

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Abstract

The 45° beam splitting mirror plays a vital role on image quality in the Holographic system, in order to study the influence of environment temperature variation on the 45° beam splitting mirror in the Holographic system, finite element analysis method is used to simulate the anti-three through seven mirror deformation at 27℃, 28℃ and 29℃ temperature in theory. A new real-time monitoring and displaying photoelectric system for ambient temperature and beam splitting mirror distortion detection is designed to provide real-time temperature change and deformation detection , which is made up of laser speckle interferometer, chip temperature sensor, two-operational amplifier, MCU and LED indicator. And the out-plane displacement value measured in the experiment under the condition of temperature correspondingly are 406nm, 420nm and 427 nm. Finally, the relation equation of temperature and mirror deformation is established by the method of exponential equation fitting, which will provide preliminary theoretical and experimental reference for further research.

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研究了全息系统中基于分束镜微变形的温度传感器和显示

45°分束镜在全息系统中对成像质量起着至关重要的作用，为了研究环境温度变化对全息系统中45°分束镜的影响，采用有限元分析方法理论上模拟了27℃、28℃和29℃温度下的反3 - 7分束镜变形。设计了一种用于环境温度和分束镜畸变检测的实时监测显示光电系统，该系统由激光散斑干涉仪、芯片温度传感器、双运放、单片机和LED指示灯组成，提供实时温度变化和变形检测。实验在温度条件下测得的面外位移值分别为406nm、420nm和427nm。最后，通过指数方程拟合的方法建立了温度与镜面变形的关系方程，为进一步的研究提供了初步的理论和实验参考。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Photoelectronic Technology Committee Conferences

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