Volume 41 Issue 8
Sep.  2012
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Article Navigation >  Infrared and Laser Engineering  > 2012  >  41(8): 2102-2106

Li Yanwei, Yang Hongbo, Cheng Zhifeng, Ding Yalin, Zhang Hongwen, Zhang Jingguo. Thermal/structural/optical integrated design for optical window in aerial remote sensor[J]. Infrared and Laser Engineering, 2012, 41(8): 2102-2106.
Citation: Li Yanwei, Yang Hongbo, Cheng Zhifeng, Ding Yalin, Zhang Hongwen, Zhang Jingguo. Thermal/structural/optical integrated design for optical window in aerial remote sensor[J]. Infrared and Laser Engineering, 2012, 41(8): 2102-2106.
shu

Thermal/structural/optical integrated design for optical window in aerial remote sensor

  • 1.

    Key Laboratory of Airborne Optical Imaging and Measurement,Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun 130033,China;

  • 2.

    Graduate University of Chinese Academy of Sciences,Beijing

  • 3.

    100049,China;

  • 4.

    Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun 130033,China

  • Inordertoreducetheinfluenceofopticalwindowonimagingqualityinaerialremotesensor,theopticalwindowwasoptimizedinglassthickness.Theminimumthicknessofopticalwindowglasswascalculatedwithstrengththeory.Theconvectionheattransfercoefficientonoutersurfaceofopticalwindowglasswascalculatedwiththetheoryoflongitudinallysweepingplanmural.Basedonthethermalopticalanalysis,transientstatetemperaturefieldwasemulated,andtheopticalpathinpeaktovalleyvalue(PV)androotmeansquare(RMS)errorwerecalculatedunderthethermal-forcecouplingcondition. Thicknessoftheopticalwindow(290mm140mm)wasdeterminedas17mm.TheresultofpracticalapplicationshowsthattheMTFis0.304whenthecharacteristicsfrequencyis60lp/mmandthestableanddistinctimageisobtained.Thestudyresultshowsthatthermal/structural/opticalintegrateddesignforopticalwindowisachievedsuccessfully,anditprovidesareferencefortheopticalwindowdesign.
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  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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Thermal/structural/optical integrated design for optical window in aerial remote sensor

  • 1. Key Laboratory of Airborne Optical Imaging and Measurement,Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun 130033,China;
  • 2. Graduate University of Chinese Academy of Sciences,Beijing
  • 3. 100049,China;
  • 4. Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun 130033,China

Abstract: Inordertoreducetheinfluenceofopticalwindowonimagingqualityinaerialremotesensor,theopticalwindowwasoptimizedinglassthickness.Theminimumthicknessofopticalwindowglasswascalculatedwithstrengththeory.Theconvectionheattransfercoefficientonoutersurfaceofopticalwindowglasswascalculatedwiththetheoryoflongitudinallysweepingplanmural.Basedonthethermalopticalanalysis,transientstatetemperaturefieldwasemulated,andtheopticalpathinpeaktovalleyvalue(PV)androotmeansquare(RMS)errorwerecalculatedunderthethermal-forcecouplingcondition. Thicknessoftheopticalwindow(290mm140mm)wasdeterminedas17mm.TheresultofpracticalapplicationshowsthattheMTFis0.304whenthecharacteristicsfrequencyis60lp/mmandthestableanddistinctimageisobtained.Thestudyresultshowsthatthermal/structural/opticalintegrateddesignforopticalwindowisachievedsuccessfully,anditprovidesareferencefortheopticalwindowdesign.

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