基于参量下转换自校准辐射基准源原理样机的光机设计
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摘要
为满足全球气候观测、定量化遥感等超高精度定标需求,研制了基于参量下转换自校准辐射基准源原理样机,设计时充分考虑原理样机模块化、轻量化与集成化.对探测器模块关键部位结构进行静力学分析,结果显示由零件形变导致探测器光敏面位置偏移21μm,探测器光敏面直径为180μm,透镜聚焦的光子光斑直径为16μm,光斑可全部进入探测器光敏面,满足设计需求.用微光相机观察各探测器前光子光斑,结果显示光斑形状规则、大小完整,用单光子探测器采集相关光子,通过符合测量绘制出八通道四对相关光子符合峰,验证了原理样机整机结构设计达到设计目标.
In order to meet the requirements of ultra-high precision calibration for global climate observation and quantitative remote sensing,aprototype system based on spontaneous parametric downconversion self-calibration radiation reference source was developed.The design was fully considered to be modular,lightweight and integrated.The static analysis of the key part of the detector module showed that the position of the detector's photosensitive surface was shifted by 21μm,the photosensitive surface of the detector was 180μm,and the diameter of the photon spot of the lens was 16μm.The spot could be fully detected,which met the design requirements.A low-light camera was used to observe the photon spots in front of each detector,the results showed that the spot shape was regular and the size was complete.The single photon detector was used to collect the relevant photons.The eight-channel fourpair correlated photon matching peaks were drawn by the coincidence measurement,and the principle was verified.The machine structure was well designed to meet the design goals.
In order to meet the requirements of ultra-high precision calibration for global climate observation and quantitative remote sensing,aprototype system based on spontaneous parametric downconversion self-calibration radiation reference source was developed.The design was fully considered to be modular,lightweight and integrated.The static analysis of the key part of the detector module showed that the position of the detector's photosensitive surface was shifted by 21μm,the photosensitive surface of the detector was 180μm,and the diameter of the photon spot of the lens was 16μm.The spot could be fully detected,which met the design requirements.A low-light camera was used to observe the photon spots in front of each detector,the results showed that the spot shape was regular and the size was complete.The single photon detector was used to collect the relevant photons.The eight-channel fourpair correlated photon matching peaks were drawn by the coincidence measurement,and the principle was verified.The machine structure was well designed to meet the design goals.
引文
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[2]FOX N.Traceable radiometry underpinning terrestrial and helio studies(TRUTHS)[J].Advances in Space Research,2003,12:273-320.
[3]WIELICKI B A,YOUNG D F,MLYNCZAK M G,et al.Achieving climate change absolute accuracy in orbit[J].Bulletin of the American Meteorological Society,2013,1519-1539.
[4]FENG Yu,ZHENG Xiao-bing,ZHANG Hai-dong,et al.Investigative summarization of correlated photons and application in absolutequantum efficiency calibration of detector[J].Laser Journal,2006,26(5):9-11.冯瑜,郑小兵,张海东,等.相关光子方法绝对定标光电探测器量子效率应用研究综述[J].激光杂志,2006,26(5):9-11.
[5]XUE Xiang-qun,ZHENG Xiao-bing,LI Jian-jun,et al.Investigation of mid-infrared radiance calibration based on parametric amplification[J].Journal of Atmospheric and Environmental Optics,2010,5(5):358-365.薛香群,郑小兵,李健军,等.基于参量放大的中红外辐亮度定标技术研究[J].大气与环境光学学报,2010,5(5):358-365.
[6]SHENG Wen-yang,LI Jian-jun,XIA Mao-peng,et al.Investigation of 3.39μm IR radiance calibration based on parametric down-conversion[J].Infrared and Laser Engineering,2016,45(10):24-30.盛文阳,李健军,夏茂鹏,等.基于参量下转换的3.39μm中红外辐射源定标实验[J].红外与激光工程,2016,45(10):24-30.
[7]GAO Dong-yang,HU You-bo,LIU Yan,et al.Photoelectric detection efficiency calibration of double channel selfcalibration radiation reference[J].Acta Optica Sinica,2016,36(11):1130001.高冬阳,胡友勃,刘岩,等.双通道自校准光谱辐射源光电探测效率的定标[J].光学学报,2016,36(11):1130001.
[8]BRIDA G,CHEKHOVA M,GENOVESE M,et al.Absolute quantum efficiency measurements by means of conditioned polarization rotation[J].IEET Transactions on Instrumentation and Measurement,2005,54(2):898-900.
[9]POLYAKOV S V,MIGDALL A L.High accuracy verification of a correlated-photon-based method for determining photoncounting detection efficiency[J].Optics Express,2007,15(4):1390-1407.
[10]KULTAVEWUTI P,ZHU E Y,QIAN L,et al.Correlated photon pair generation in AlGaAs nanowaveguides via spontaneous four-wave mixing[J].Optics Express,2016,24(4):3365-3376.
[11]SHI Xue-shun,LIU Chang-ming,ZHAO Kun,et al.Measurement system for quantum efficiency of the single photon detect based on correlated photons[J].Acta Photonica Sinica,2017,46(3):0304001.史学舜,刘长明,赵坤,等.基于相关光子的单光子探测器量子效率测量系统[J].光子学报,2017,46(3):0304001.
[12]CHANG Jun,WU Ling-an.Absolute self-calibration of the quantum efficiency of single-photon detectors[J].Acta Physics Sinica,2003,52(5):1132-1136.常军,吴令安.单光子探测器量子效率的绝对自身标定方法[J].物理学报,2003,52(5):1132-1136.
[13]张岩.ANSYS Workbench 15.0有限元分析从入门到精通[M].机械工业出版社,2014:133-149.
[14]GAO Dong-yang,HU You-bo,LIU Yan,et al.Space distribution of type-Ιspontaneous parametric down-conversion spectra circle[J].Acta Photonica Sinica,2016,45(3):0319001.高冬阳,胡友勃,刘岩,等.I类自发参量下转换光谱圆环空间分布[J].光子学报,2016,45(3):0319001.
[15]LV Liang,LIN Yan-dong.Realization and correction of coincidence counting setup used in correlated photon detection[J].Optics and Precision Engineering,2011,19(5):1005-1012.吕亮,林延东.相关光子符合计数的实现及修正[J].光学精密工程,2011,19(5):1005-1012.