星地两用光学表面污染检测装置

马晶; 朱福南; 周彦平; 柳青峰

doi:10.3788/OPE.20162408.1878

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星地两用光学表面污染检测装置

现代应用光学 | 更新时间：2020-07-07

- 星地两用光学表面污染检测装置
- Detection device of optical surface pollution for satellite and ground
- Editorial Office of Optics and Precision Engineeri 2016年24卷第8期页码：1878-1883
- 作者机构：
  
  哈尔滨工业大学可调谐激光技术国家级重点实验室, 黑龙江哈尔滨 150001
- 作者简介：
  
  [ "马晶(1956-)，男，教授，博士生导师，现为空间光通信技术研究中心主任，可调谐激光技术国家级重点实验室副主任，卫星激光通信技术国防重点学科实验室副主任，主要研究方向为卫星光通信、激光干涉计量、光学信息处理和激光全息。E-mail：majing@hit.edu.cn" ]
  朱福南(1991-)，女，硕士研究生，2014年于哈尔滨工业大学获得学士学位，主要研究方向为卫星光通信。E-mail：zjjxzfn@sina.com E-mail：zjjxzfn@sina.com
- 基金信息：
  
  国家自然科学基金资助项目(No.11504068)
- DOI：10.3788/OPE.20162408.1878
  中图分类号： TN929.1
- 收稿日期：2016-04-14，
  
  录用日期：2016-5-30，
  
  纸质出版日期：2016-08-25
- 稿件说明：
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马晶, 朱福南, 周彦平, 等. 星地两用光学表面污染检测装置[J]. Editorial Office of Optics and Precision Engineeri, 2016,24(8):1878-1883.

Jing MA, Fu-nan ZHU, Yan-ping ZHOU, et al. Detection device of optical surface pollution for satellite and ground[J]. Optics and precision engineering, 2016, 24(8): 1878-1883.
马晶, 朱福南, 周彦平, 等. 星地两用光学表面污染检测装置[J]. Editorial Office of Optics and Precision Engineeri, 2016,24(8):1878-1883. DOI： 10.3788/OPE.20162408.1878.

Jing MA, Fu-nan ZHU, Yan-ping ZHOU, et al. Detection device of optical surface pollution for satellite and ground[J]. Optics and precision engineering, 2016, 24(8): 1878-1883. DOI： 10.3788/OPE.20162408.1878.

摘要

针对光通信终端的光学表面污染，研制了10 MHz镀铝石英晶体微天平(QCM)，用于实时检测真空试验中的污染量以保证光通信的可靠性。该装置通过引入参考晶体消除环境因素的影响，并降低对其控温精度的要求，其理论质量灵敏度可达10

-9

g/cm

。经过绝对标定实验后，其实际质量灵敏度为10

-8

g/cm

，满足应用需求，且成本低，实用性好，可用于星上或地面污染检测。文中依据不同的污染源工作温度，分别在32 ℃高温恒温段，32 ℃~-27 ℃降温段，低温保持段及-2 ℃~32 ℃升温段进行了污染沉积量的检测。结果表明：在试验初期的高温恒温段，污染源与敏感表面温差高于0 ℃，15.75 h内单位面积污染沉积量为1.68×10

-4

g/cm

；在低温保持段，温差一直低于-22 ℃，23.37 h内单位面积污染解吸附量为1.08×10

-4

g/cm

；真空试验的总污染沉积量为2.7×10

-5

g/cm

。得到的结果证实了该QCM用于污染量检测的有效性。文中还初步分析了真空试验下的污染沉积过程，为光学表面污染的预估与防护提供了依据。

Abstract

For the surface pollution of an optical communication terminal

a 10 MHz Aluminized Quartz Crystal Microbalance (QCM) is developed to detect the amount of deposited pollution in real time during a vacuum test. By introducing a reference crystal

the QCM eliminates the influence of environmental factors substantially

and reduces the requirements for temperature accuracy and its theoretical mass sensitivity is up to 10

-9

g/cm

. Through an absolute calibration experiment

the practical mass sensitivity of the QCM is 10

-8

g/cm

shows a lower cost and good practicability and can be used both in satellites and on the ground. According to different operating temperatures of pollution sources

the test is divided into 32 ℃ constant temperature segment

32 ℃ to -27 ℃ cooling segment

cryostat segment and -2 ℃ to 32 ℃ heating segment. The results show that in the high temperature segment at begin

the temperature difference between pollution source and sensitive surface is above 0 ℃

and the amount of pollution deposition per unit area is 1.68×10

-4

g/cm

in 15.75 h. In the cryostat segment

the temperature difference is below -22 ℃

the amount of desorption per unit area is 1.08×10

-4

g/cm

in 23.37 h. Moreover

the total amount of deposition is 2.7×10

-5

g/cm

in the vacuum test. These results confirm the validity of the QCM for detecting the amount of pollution deposition

analyze the deposition process under vacuum test preliminarily and provide a gist for predicting and preventing the pollution of optical surfaces.

关键词

Keywords

references

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MUSTAFA M K, NABOK A, PARKINSON D, et al. Detection of β-amyloid peptide (1-16) and amyloid precursor protein (APP 770) using spectroscopic ellipsometry and QCM techniques: A step forward towards Alzheimers disease diagnostics[J]. Biosensors and Bioelectronics, 2010, 26(4): 1332-1336.

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