Pub Date : 2014-01-01DOI: 10.3788/CO.20140702.0208
王. W. Wei, 董霁红 Dong Ji-hong, 孟庆宇 Meng Qing-yu
In this paper,the developing status and primary characteristics of several remote sensing cameras for Mars observation in recent years,including Mars Observer Camera(MOC),High Resolution Science Imaging Experiment(HiRISE),and High Resolution Stereo Camera(HRSC),were summarized.Meanwhile,the imaging resolution requirements for different objectives were also discussed.It is concluded that the tendency of Mars remote sensing is to develop detailed observation with sub-meter resolution.Near infrared imaging and 3D stereo imaging should also be paid attention to.These analyses will provide references for the design of Chinese Mars observation plans in the future.
{"title":"Current status and developing tendency of visible spectral remote sensing camera for mars observation","authors":"王. W. Wei, 董霁红 Dong Ji-hong, 孟庆宇 Meng Qing-yu","doi":"10.3788/CO.20140702.0208","DOIUrl":"https://doi.org/10.3788/CO.20140702.0208","url":null,"abstract":"In this paper,the developing status and primary characteristics of several remote sensing cameras for Mars observation in recent years,including Mars Observer Camera(MOC),High Resolution Science Imaging Experiment(HiRISE),and High Resolution Stereo Camera(HRSC),were summarized.Meanwhile,the imaging resolution requirements for different objectives were also discussed.It is concluded that the tendency of Mars remote sensing is to develop detailed observation with sub-meter resolution.Near infrared imaging and 3D stereo imaging should also be paid attention to.These analyses will provide references for the design of Chinese Mars observation plans in the future.","PeriodicalId":10133,"journal":{"name":"Chinese Journal of Optics and Applied Optics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90173049","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2014-01-01DOI: 10.3788/CO.20140703.0365
高文 Gao Wen, 朱. Z. Ming, 贺柏根 He Bai-gen, 吴笑天 Wu Xiao-tian
In this article,we review the favorite target representation in target tracking,and dassify them systematically,then categorize the target tracking methods used at present on the basis of the object and motion representations,provide detailed descriptions of representative methods in each category,and examine their pros and cons. Moreover,we discuss the difficulties and future trend of target tracking.
{"title":"Overview of target tracking technology","authors":"高文 Gao Wen, 朱. Z. Ming, 贺柏根 He Bai-gen, 吴笑天 Wu Xiao-tian","doi":"10.3788/CO.20140703.0365","DOIUrl":"https://doi.org/10.3788/CO.20140703.0365","url":null,"abstract":"In this article,we review the favorite target representation in target tracking,and dassify them systematically,then categorize the target tracking methods used at present on the basis of the object and motion representations,provide detailed descriptions of representative methods in each category,and examine their pros and cons. Moreover,we discuss the difficulties and future trend of target tracking.","PeriodicalId":10133,"journal":{"name":"Chinese Journal of Optics and Applied Optics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81488103","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2014-01-01DOI: 10.3788/CO.20140701.0163
陈宝刚 Chen Bao-gang, 明. M. Ming, 吕. L. Tian-yu
Conventional testing methods for the curvature radius of spherical mirror with large aperture are introduced briefly,and a novel method using combined rods and laser interferometer is proposed. Firstly,the surface figure of spherical mirror is tested with laser interferometer. The position of interferometer and tested mirror is adjusted to make the focus of the exit wave front and the center of curvature of tested mirror to be confocal. Then the suitable combined rods are setup,and the position of probe spheric head which is close to interferometer is adjusted to make the focus of the exit wave front and the center of the probe spheric head confocal. Next,another probe spheric head is adjusted to contact the surface of the tested mirror. The curvature radius of the spheric mirror can be calculated by the data. The basic principle of the testing method is analyzed. A telescope spheric primary mirror with a aperture of 600 mm is tested many times with this method. The average radius of curvature is calculated to be 2 836. 774 mm,and the root mean square is 0. 071 mm. Finally,the measurement uncertainty of this method is analyzed,and the main factors affecting the measurement accuracy are found out,and the composed standard uncertainty is 0. 061 mm.
{"title":"Precise measurement of curvature radius for spherical mirror with large aperture","authors":"陈宝刚 Chen Bao-gang, 明. M. Ming, 吕. L. Tian-yu","doi":"10.3788/CO.20140701.0163","DOIUrl":"https://doi.org/10.3788/CO.20140701.0163","url":null,"abstract":"Conventional testing methods for the curvature radius of spherical mirror with large aperture are introduced briefly,and a novel method using combined rods and laser interferometer is proposed. Firstly,the surface figure of spherical mirror is tested with laser interferometer. The position of interferometer and tested mirror is adjusted to make the focus of the exit wave front and the center of curvature of tested mirror to be confocal. Then the suitable combined rods are setup,and the position of probe spheric head which is close to interferometer is adjusted to make the focus of the exit wave front and the center of the probe spheric head confocal. Next,another probe spheric head is adjusted to contact the surface of the tested mirror. The curvature radius of the spheric mirror can be calculated by the data. The basic principle of the testing method is analyzed. A telescope spheric primary mirror with a aperture of 600 mm is tested many times with this method. The average radius of curvature is calculated to be 2 836. 774 mm,and the root mean square is 0. 071 mm. Finally,the measurement uncertainty of this method is analyzed,and the main factors affecting the measurement accuracy are found out,and the composed standard uncertainty is 0. 061 mm.","PeriodicalId":10133,"journal":{"name":"Chinese Journal of Optics and Applied Optics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87494150","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2014-01-01DOI: 10.3788/CO.20140702.0260
刘. L. Lei, 郭. G. Jin, 赵. Z. Shuai, 姜振华 Jiang Zhen-hua, 孙. S. Tao, 王挺峰 Wang Ting-feng
In the field of laser applications,in order to meet the need of high laser beam quality,correct the wave-front aberration generated during the transmission of laser beam and improve the laser phase distribution,thereby increase the energy concentration of the beam focusing spot,a set of laser beam shaping experimental system is built based on a 79-channel micromachine membrane deformable mirror(MMDM).By using stochastic parallel gradient descent(SPGD) algorithm,the laser beam shaping experiment is carried out respectively with three performance indexes:radius of the focused spot,encircled energy ratio with geometric center as the center,and encircled energy ratio with centroid as the center.In the three cases,convergences come forth after about 58 times,197 times,133 times of iterations,respectively,but the evolution curve of spot radius oscillates seriously.Encircled energy ratios increase from 0.200 5,0.127 7,0.200 5 before shaping to0.669 9,0.733 9,0.864 0 after shaping,respectively.The results of experiments show that MMDM can be used for laser beam shaping with well results.The shaping speed is fastest with spot radius as the performance index,followed by encircled energy ratio of centroid and encircled energy ratio of geometric center.The shaping effect is best with encircled energy ratio of centroid,followed by the encircled energy ratio of geometric center and spot radius.After synthetical comparison,it is best to choose encircled energy ratio of centroid as the performance index.
{"title":"Application of stochastic parallel gradient descent algorithm in laser beam shaping","authors":"刘. L. Lei, 郭. G. Jin, 赵. Z. Shuai, 姜振华 Jiang Zhen-hua, 孙. S. Tao, 王挺峰 Wang Ting-feng","doi":"10.3788/CO.20140702.0260","DOIUrl":"https://doi.org/10.3788/CO.20140702.0260","url":null,"abstract":"In the field of laser applications,in order to meet the need of high laser beam quality,correct the wave-front aberration generated during the transmission of laser beam and improve the laser phase distribution,thereby increase the energy concentration of the beam focusing spot,a set of laser beam shaping experimental system is built based on a 79-channel micromachine membrane deformable mirror(MMDM).By using stochastic parallel gradient descent(SPGD) algorithm,the laser beam shaping experiment is carried out respectively with three performance indexes:radius of the focused spot,encircled energy ratio with geometric center as the center,and encircled energy ratio with centroid as the center.In the three cases,convergences come forth after about 58 times,197 times,133 times of iterations,respectively,but the evolution curve of spot radius oscillates seriously.Encircled energy ratios increase from 0.200 5,0.127 7,0.200 5 before shaping to0.669 9,0.733 9,0.864 0 after shaping,respectively.The results of experiments show that MMDM can be used for laser beam shaping with well results.The shaping speed is fastest with spot radius as the performance index,followed by encircled energy ratio of centroid and encircled energy ratio of geometric center.The shaping effect is best with encircled energy ratio of centroid,followed by the encircled energy ratio of geometric center and spot radius.After synthetical comparison,it is best to choose encircled energy ratio of centroid as the performance index.","PeriodicalId":10133,"journal":{"name":"Chinese Journal of Optics and Applied Optics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88759756","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2014-01-01DOI: 10.3788/co.20140704.0581
支帅 Zhi Shuai, 张. Z. Liu, 李欣璐 Li Xin-lu
{"title":"Realization of simulated star map with noise","authors":"支帅 Zhi Shuai, 张. Z. Liu, 李欣璐 Li Xin-lu","doi":"10.3788/co.20140704.0581","DOIUrl":"https://doi.org/10.3788/co.20140704.0581","url":null,"abstract":"","PeriodicalId":10133,"journal":{"name":"Chinese Journal of Optics and Applied Optics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84853905","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2014-01-01DOI: 10.3788/CO.20140702.0301
吉日嘎兰图 Jirigalantu
{"title":"Wear resistant design of grating ruling tool for echelle","authors":"吉日嘎兰图 Jirigalantu","doi":"10.3788/CO.20140702.0301","DOIUrl":"https://doi.org/10.3788/CO.20140702.0301","url":null,"abstract":"","PeriodicalId":10133,"journal":{"name":"Chinese Journal of Optics and Applied Optics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86836210","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2014-01-01DOI: 10.3788/co.20140705.0779
杨名宇 Yang Ming-yu, 李. L. Gang
{"title":"Aerial image segmentation with region information","authors":"杨名宇 Yang Ming-yu, 李. L. Gang","doi":"10.3788/co.20140705.0779","DOIUrl":"https://doi.org/10.3788/co.20140705.0779","url":null,"abstract":"","PeriodicalId":10133,"journal":{"name":"Chinese Journal of Optics and Applied Optics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87729207","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2014-01-01DOI: 10.3788/co.20140703.0499
L. John
{"title":"Simple qualitative explanations for light guidance in index-guiding fibres, holey fibres, photonic band-gap fibres and nanowires","authors":"L. John","doi":"10.3788/co.20140703.0499","DOIUrl":"https://doi.org/10.3788/co.20140703.0499","url":null,"abstract":"","PeriodicalId":10133,"journal":{"name":"Chinese Journal of Optics and Applied Optics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84378783","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2014-01-01DOI: 10.3788/CO.20140702.0293
李. L. Gang, 杨晓许 Yang Xiao-xu, 张恒金 Zhang Heng-jin, 孙东岩 Sun Dong-yan
Based on the R-C system a cooled infrared swith-zoom optical system with long effective focal length is designed.The initial parameters are calculated and the components' focal power is deduced.Secondary imaging structure is adopted,and relay lens is used to match the cold stop.Zoom is realized by switching the relay lens of the short focal length system and the long focal length system.The optimized design of optical system aberration is made.The optimized imaging results of the long effective focal length optical system and the short effective focal length optical system at different field of view are presented,and the modulation transfer functions within 0.8 field of view at 17 lp / mm of spatial frequency are greater than 0.4.Finally,corresponding precision analysis of the main structure is made and the results show that the structure is rational and the imaging quality is good.The optical system can meet actual requirement.
{"title":"Design of cooled infrared switch-zoom optical system with long effective focal length based on R-C system","authors":"李. L. Gang, 杨晓许 Yang Xiao-xu, 张恒金 Zhang Heng-jin, 孙东岩 Sun Dong-yan","doi":"10.3788/CO.20140702.0293","DOIUrl":"https://doi.org/10.3788/CO.20140702.0293","url":null,"abstract":"Based on the R-C system a cooled infrared swith-zoom optical system with long effective focal length is designed.The initial parameters are calculated and the components' focal power is deduced.Secondary imaging structure is adopted,and relay lens is used to match the cold stop.Zoom is realized by switching the relay lens of the short focal length system and the long focal length system.The optimized design of optical system aberration is made.The optimized imaging results of the long effective focal length optical system and the short effective focal length optical system at different field of view are presented,and the modulation transfer functions within 0.8 field of view at 17 lp / mm of spatial frequency are greater than 0.4.Finally,corresponding precision analysis of the main structure is made and the results show that the structure is rational and the imaging quality is good.The optical system can meet actual requirement.","PeriodicalId":10133,"journal":{"name":"Chinese Journal of Optics and Applied Optics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87133647","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2014-01-01DOI: 10.3788/CO.20140702.0253
田金荣 Tian Jin-rong, 宋晏蓉 Song Yanrong, 王. W. Li
To investigate the errors brought about by common formula of peak power in pulsed lasers,the peak powers of pulsed laser types of Gaussian,Sech2,Lorentzian,asymmetric Sech2were calculated analytically.The results demonstrate that the errors introduced by common formula of peak power for Gaussian,Sech2,Lorentzian,asymmetric Sech2were 6.3%,13.6%,22.1%,20.9% respectively.Furthermore the peak power of irregular pulse was discussed by numerical method based on practical experiments and a method to precisely calculate peak power was proposed.
{"title":"Error analysis of peak power formula in pulsed lasers","authors":"田金荣 Tian Jin-rong, 宋晏蓉 Song Yanrong, 王. W. Li","doi":"10.3788/CO.20140702.0253","DOIUrl":"https://doi.org/10.3788/CO.20140702.0253","url":null,"abstract":"To investigate the errors brought about by common formula of peak power in pulsed lasers,the peak powers of pulsed laser types of Gaussian,Sech2,Lorentzian,asymmetric Sech2were calculated analytically.The results demonstrate that the errors introduced by common formula of peak power for Gaussian,Sech2,Lorentzian,asymmetric Sech2were 6.3%,13.6%,22.1%,20.9% respectively.Furthermore the peak power of irregular pulse was discussed by numerical method based on practical experiments and a method to precisely calculate peak power was proposed.","PeriodicalId":10133,"journal":{"name":"Chinese Journal of Optics and Applied Optics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74825206","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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