Influence of optical component quality on signal to noise ratio in infrared optical systems

You Xinghai; Zhang Bin

doi:10.3788/IRLA201847.0320004

Volume 47 Issue 3

Apr. 2018

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You Xinghai, Zhang Bin. Influence of optical component quality on signal to noise ratio in infrared optical systems[J]. Infrared and Laser Engineering, 2018, 47(3): 320004-0320004(9). doi: 10.3788/IRLA201847.0320004

Citation:

You Xinghai, Zhang Bin. Influence of optical component quality on signal to noise ratio in infrared optical systems[J]. Infrared and Laser Engineering, 2018, 47(3): 320004-0320004(9). doi: 10.3788/IRLA201847.0320004

Influence of optical component quality on signal to noise ratio in infrared optical systems

doi: 10.3788/IRLA201847.0320004

1.
College of Electronics and Information Engineering,Sichuan University,Chengdu 610065,China

Received Date: 2017-10-05
Rev Recd Date: 2017-11-15
Publish Date: 2018-03-25

Abstract

A scattering model of the optical component substrate under different levels of defects has been established based on Mie scattering theory, and then the scattering characteristics of the replication of substrate defect have been analyzed quantitatively when the particle contamination exists on the surface of the optical component. On this basis, a R-C optical system has been taken as an example, and stray radiation characteristics of the system have been simulated and analyzed by using the ASAP optical analysis software for the case of the primary mirror substrate under different levels of defects. Furthermore, according to the calculation method of the signal to noise ratio(SNR), the SNR of the system has also been carried out and analyzed. The results indicate that the SNR of the system decreases with the increasing of the defect levels of primary mirror substrate for a given radiant temperature of the sky background, and the influence of the SNR decreases with the increasing of the radiant temperature of the sky background for a fixed defect level of primary mirror substrate. Finally, for the primary mirror particle contamination of 300 grades (the particle surface coverage is 0.03%) and its substrate defect levels under five cases such as I-10, I-20, I-30, Ⅱ and Ⅲ, the relative SNR(relative to the ideal primary mirror) of the system are 0.932, 0.920, 0.906, 0.832 and 0.807, respectively when the radiant temperature of the sky background is 200 K. Thus, when the optical properties of components become worse, the levels of optical component defects should be strictly controlled within Ⅱ level to ensure the effective detection of the weak signal with low SNR.
- signal to noise ratio,
- particle contamination,
- defect,
- scattering model

References

[1]	Facey T A, Nonnenmacher A L. Measurement of total hemispherical emissivity contaminated mirror surfaces[C]//SPIE, 1989, 967:308-313.
[2]	Jiang Lun, Hu Yuan, Dong Keyan, et al. Passive athermal design of dual-band infrared optical system[J]. Infrared and Laser Engineering, 2015,44(11):3353-3357. (in Chinese)江伦, 胡源, 董科研, 等. 红外双波段光学系统被动式消热差设计[J]. 红外与激光工程, 2015, 44(11):3353-3357.
[3]	Spyak P R, Wolfe W L. Scatter from particulate contaminated mirrors. Part 1:theory and experiment for polystyrene spheres and=0.6328m[J]. Optical Engineering, 1992, 31(8):1746-1756.
[4]	MIL-STD-1246C. (15FEB2002)[S]. Military Standard:Product Cleanliness Levels and Ccontamination Control Program, 2002.
[5]	Li Fangqing, Zhang Bin, Xiao Jing, et al. Stray light analysis of the contaminated mirror of the infrared optical system[J]. Optics and Optoelectronic Technology, 2010, 8(4):22-25. (in Chinese)李方清, 张彬, 肖静, 等. 红外光学系统的污染镜面杂散辐射分析[J]. 光学与光电技术, 2010, 8(4):22-25.
[6]	Tribble A C, Boyadjian B, Davis J, et al. Contamination control engineering design guidelines for the aerospace community[R]. Alabama, Marshall Space Flight Center:NASA Contractor Report, 1996:4740.
[7]	He P, Xiao J, Zhang B, et al. The influence of contaminated mirror on the flux distributions of stray radiation of infrared telescope systems[C]//SPIE, 2010, 7654:76540T.
[8]	Xiao Jing, Zhang Bin. Influence of the optical components contamination on the signal to nosie ratio in infrared optical systems[J]. Infrared and Laser Engineering, 2012, 41(4):1010-1016. (in Chinese)肖静,张彬. 光学元件污染对红外光学系统信噪比的影响分析[J]. 红外与激光工程, 2012, 41(4):1010-1016.
[9]	Wu Jianpeng, Luo Wenfei, Peng Jiaqi, et al. Influence of particle cluster contamination on the stray light radiation of infrared optical systems[J]. Journal of Sichuan University (Engineering Science Edition), 2010, 8(4):22-25. (in Chinese)吴建鹏, 罗文飞, 彭家琪,等. 红外光学系统团簇污染对系统杂散辐射特性的影响[J]. 四川大学学报(工程科学版), 2010, 8(4):22-25.
[10]	Dave J V. Scattering of visible light by large water spheres[J]. Applied Optics, 1969, 8(1):155-164.
[11]	Zhang Wei, Lu Yuan, Du Shiming, et al. Analysis of characteristics of Mie scattering[J]. Optical Technique, 2010, 36(6):936-939. (in Chinese)张伟, 路远, 杜石明, 等. 球形粒子Mie散射特性分析[J]. 光学技术, 2010, 36(6):936-939.
[12]	Wang Xueyan. Research on particle size test algorithm based on Mie theory[D]. Xi'an:Xi'an Technological University, 2011. (in Chinese)王雪艳. 基于米氏散射理论的粒度测试算法研究[D]. 西安:西安工业大学, 2011.
[13]	Craig F Bohren, Donald R Huffman. Absorption and Scattering of Light by Small Particles[M]. US:John Wiley Sons, Inc., 1998:234-288.
[14]	Aikens D M, Wolfe C R, Lawson J K. The use of Power Spectral Density(PSD) functions in specifying optics for the National Ignition Facility[C]//SPIE, 1995, 2576:281-292.
[15]	Yan Peipei, Fan Xuewu. Optical design and stray light analysis of R-C system[J]. Infrared Technology, 2011, 33(4):214-218. (in Chinese)闫佩佩, 樊学武. R-C光学系统设计及杂散光[J]. 红外技术, 2011, 33(4):214-218.
[16]	Zhou Lidan. Research on statistical law between optical component defects distribution and near-field quality in high power laser system[D]. Mianyang:China Academy of Engineering Physics, 2009. (in Chinese)周丽丹. 高功率激光装置光学元件缺陷分布与光束近场质量统计规律研究[D]. 绵阳:中国工程物理研究院, 2009.
[17]	You Xinghai, Hu Xiaochuan, Peng Jiaqi, et al. Effect of defects of component on stray radiation characteristics of infrared optical system[J]. Infrared and Laser Engineering, 2017, 46(1):0120004. (in Chinese)游兴海, 胡小川, 彭家琪, 等. 元件缺陷对红外光学系统杂散辐射特性的影响[J]. 红外与激光工程, 2017, 46(1):0120004.
[18]	Xu Deyan, Wang Qing, Gao Zhishan, et al. Current Optical Components Detection and International Standards[M]. Beijing:Science Press, 2009:264-267. (in Chinese)徐德衍, 王青, 高志山, 等. 现行光学元件检测与国际标准[M]. 北京:科学出版社, 2009:264-267.
[19]	Shan Yongguang, Liu Xiaofeng, He Hongbo, et al. Research progress of nodular defect in optical coatings[J]. High Power Laser and Particle Beams, 2011, 23(6):1421-1429. (in Chinese)单永光, 刘晓凤, 贺洪波, 等. 光学薄膜中节瘤缺陷研究进展[J]. 强激光与粒子束, 2011, 23(6):1421-1429.
[20]	Tribble A C, Boyadjian B, Davis J, et a1. Contamination control engineering design guidelines for the aerospace community NASA Contractor Report[R]. Alabama:Marshall Space Flight Center, 1996:4740.
[21]	Chen P T, Hedgeland R J, Thomson S R. Surface accommodation of molecular contaminants[C]//Optical System Contamination:Effects, Measurement, Control Ⅱ. International Society for Optics and Photonics, 1990:327-336.
[22]	Vest C E, Buch R M, Lenkevich M J. Materials selection as related to contamination of spacecraft surfaces[J]. Sampe Quarterly, 1988, 19(2):29-35.
[23]	Lei Min, Li Xiaoping, Miao Huaikun. Development of contamination control techniques for EUV optics surfaces[J]. Laser Optoelectronics Progress, 2013, 50(3):030005. (in Chinese)雷敏, 李小平, 苗怀坤. 极紫外光学表面污染控制技术的研究进展[J]. 激光与光电子学进展, 2013, 50(3):030005.

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Influence of optical component quality on signal to noise ratio in infrared optical systems

1. College of Electronics and Information Engineering,Sichuan University,Chengdu 610065,China

Received Date: 2017-10-05

Rev Recd Date: 2017-11-15

Publish Date: 2018-03-25

Key words:

Abstract: A scattering model of the optical component substrate under different levels of defects has been established based on Mie scattering theory, and then the scattering characteristics of the replication of substrate defect have been analyzed quantitatively when the particle contamination exists on the surface of the optical component. On this basis, a R-C optical system has been taken as an example, and stray radiation characteristics of the system have been simulated and analyzed by using the ASAP optical analysis software for the case of the primary mirror substrate under different levels of defects. Furthermore, according to the calculation method of the signal to noise ratio(SNR), the SNR of the system has also been carried out and analyzed. The results indicate that the SNR of the system decreases with the increasing of the defect levels of primary mirror substrate for a given radiant temperature of the sky background, and the influence of the SNR decreases with the increasing of the radiant temperature of the sky background for a fixed defect level of primary mirror substrate. Finally, for the primary mirror particle contamination of 300 grades (the particle surface coverage is 0.03%) and its substrate defect levels under five cases such as I-10, I-20, I-30, Ⅱ and Ⅲ, the relative SNR(relative to the ideal primary mirror) of the system are 0.932, 0.920, 0.906, 0.832 and 0.807, respectively when the radiant temperature of the sky background is 200 K. Thus, when the optical properties of components become worse, the levels of optical component defects should be strictly controlled within Ⅱ level to ensure the effective detection of the weak signal with low SNR.

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Reference (23)

[1]	Facey T A, Nonnenmacher A L. Measurement of total hemispherical emissivity contaminated mirror surfaces[C]//SPIE, 1989, 967:308-313.
[2]	Jiang Lun, Hu Yuan, Dong Keyan, et al. Passive athermal design of dual-band infrared optical system[J]. Infrared and Laser Engineering, 2015,44(11):3353-3357. (in Chinese)江伦, 胡源, 董科研, 等. 红外双波段光学系统被动式消热差设计[J]. 红外与激光工程, 2015, 44(11):3353-3357.
[3]	Spyak P R, Wolfe W L. Scatter from particulate contaminated mirrors. Part 1:theory and experiment for polystyrene spheres and=0.6328m[J]. Optical Engineering, 1992, 31(8):1746-1756.
[4]	MIL-STD-1246C. (15FEB2002)[S]. Military Standard:Product Cleanliness Levels and Ccontamination Control Program, 2002.
[5]	Li Fangqing, Zhang Bin, Xiao Jing, et al. Stray light analysis of the contaminated mirror of the infrared optical system[J]. Optics and Optoelectronic Technology, 2010, 8(4):22-25. (in Chinese)李方清, 张彬, 肖静, 等. 红外光学系统的污染镜面杂散辐射分析[J]. 光学与光电技术, 2010, 8(4):22-25.
[6]	Tribble A C, Boyadjian B, Davis J, et al. Contamination control engineering design guidelines for the aerospace community[R]. Alabama, Marshall Space Flight Center:NASA Contractor Report, 1996:4740.
[7]	He P, Xiao J, Zhang B, et al. The influence of contaminated mirror on the flux distributions of stray radiation of infrared telescope systems[C]//SPIE, 2010, 7654:76540T.
[8]	Xiao Jing, Zhang Bin. Influence of the optical components contamination on the signal to nosie ratio in infrared optical systems[J]. Infrared and Laser Engineering, 2012, 41(4):1010-1016. (in Chinese)肖静,张彬. 光学元件污染对红外光学系统信噪比的影响分析[J]. 红外与激光工程, 2012, 41(4):1010-1016.
[9]	Wu Jianpeng, Luo Wenfei, Peng Jiaqi, et al. Influence of particle cluster contamination on the stray light radiation of infrared optical systems[J]. Journal of Sichuan University (Engineering Science Edition), 2010, 8(4):22-25. (in Chinese)吴建鹏, 罗文飞, 彭家琪,等. 红外光学系统团簇污染对系统杂散辐射特性的影响[J]. 四川大学学报(工程科学版), 2010, 8(4):22-25.
[10]	Dave J V. Scattering of visible light by large water spheres[J]. Applied Optics, 1969, 8(1):155-164.
[11]	Zhang Wei, Lu Yuan, Du Shiming, et al. Analysis of characteristics of Mie scattering[J]. Optical Technique, 2010, 36(6):936-939. (in Chinese)张伟, 路远, 杜石明, 等. 球形粒子Mie散射特性分析[J]. 光学技术, 2010, 36(6):936-939.
[12]	Wang Xueyan. Research on particle size test algorithm based on Mie theory[D]. Xi'an:Xi'an Technological University, 2011. (in Chinese)王雪艳. 基于米氏散射理论的粒度测试算法研究[D]. 西安:西安工业大学, 2011.
[13]	Craig F Bohren, Donald R Huffman. Absorption and Scattering of Light by Small Particles[M]. US:John Wiley Sons, Inc., 1998:234-288.
[14]	Aikens D M, Wolfe C R, Lawson J K. The use of Power Spectral Density(PSD) functions in specifying optics for the National Ignition Facility[C]//SPIE, 1995, 2576:281-292.
[15]	Yan Peipei, Fan Xuewu. Optical design and stray light analysis of R-C system[J]. Infrared Technology, 2011, 33(4):214-218. (in Chinese)闫佩佩, 樊学武. R-C光学系统设计及杂散光[J]. 红外技术, 2011, 33(4):214-218.
[16]	Zhou Lidan. Research on statistical law between optical component defects distribution and near-field quality in high power laser system[D]. Mianyang:China Academy of Engineering Physics, 2009. (in Chinese)周丽丹. 高功率激光装置光学元件缺陷分布与光束近场质量统计规律研究[D]. 绵阳:中国工程物理研究院, 2009.
[17]	You Xinghai, Hu Xiaochuan, Peng Jiaqi, et al. Effect of defects of component on stray radiation characteristics of infrared optical system[J]. Infrared and Laser Engineering, 2017, 46(1):0120004. (in Chinese)游兴海, 胡小川, 彭家琪, 等. 元件缺陷对红外光学系统杂散辐射特性的影响[J]. 红外与激光工程, 2017, 46(1):0120004.
[18]	Xu Deyan, Wang Qing, Gao Zhishan, et al. Current Optical Components Detection and International Standards[M]. Beijing:Science Press, 2009:264-267. (in Chinese)徐德衍, 王青, 高志山, 等. 现行光学元件检测与国际标准[M]. 北京:科学出版社, 2009:264-267.
[19]	Shan Yongguang, Liu Xiaofeng, He Hongbo, et al. Research progress of nodular defect in optical coatings[J]. High Power Laser and Particle Beams, 2011, 23(6):1421-1429. (in Chinese)单永光, 刘晓凤, 贺洪波, 等. 光学薄膜中节瘤缺陷研究进展[J]. 强激光与粒子束, 2011, 23(6):1421-1429.
[20]	Tribble A C, Boyadjian B, Davis J, et a1. Contamination control engineering design guidelines for the aerospace community NASA Contractor Report[R]. Alabama:Marshall Space Flight Center, 1996:4740.
[21]	Chen P T, Hedgeland R J, Thomson S R. Surface accommodation of molecular contaminants[C]//Optical System Contamination:Effects, Measurement, Control Ⅱ. International Society for Optics and Photonics, 1990:327-336.
[22]	Vest C E, Buch R M, Lenkevich M J. Materials selection as related to contamination of spacecraft surfaces[J]. Sampe Quarterly, 1988, 19(2):29-35.
[23]	Lei Min, Li Xiaoping, Miao Huaikun. Development of contamination control techniques for EUV optics surfaces[J]. Laser Optoelectronics Progress, 2013, 50(3):030005. (in Chinese)雷敏, 李小平, 苗怀坤. 极紫外光学表面污染控制技术的研究进展[J]. 激光与光电子学进展, 2013, 50(3):030005.

Influence of optical component quality on signal to noise ratio in infrared optical systems

doi: 10.3788/IRLA201847.0320004

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