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Small-sized thermal imaging camera based on micro-scanning 基于微扫描的小型热像仪
4区 物理与天体物理
Journal of Optical Technology Pub Date : 2023-06-01 DOI: 10.1364/jot.90.000317
Igor Kremis, Roman Gladkov, Alexey Turbin, Pavel Aldokhin, Vitaly Kalinin
{"title":"Small-sized thermal imaging camera based on micro-scanning","authors":"Igor Kremis, Roman Gladkov, Alexey Turbin, Pavel Aldokhin, Vitaly Kalinin","doi":"10.1364/jot.90.000317","DOIUrl":"https://doi.org/10.1364/jot.90.000317","url":null,"abstract":"Subject of study. The subject is a thermal imaging camera implementing micro-scanning based on a small-format matrix of 320×256 photodiodes made of cadmium-mercury telluride featuring a spectral range of 8–10 µm.Aim of study. The aim is the creation of a compact thermal imaging camera with a spectral range of 8–10 µm based on a small-format cadmium-mercury-telluride matrix photodetector using gearless electro-mechanical drives for changing fields of view, sub-focusing, calibration, and micro-scanning of the scene to improve spatial resolution parameters and threshold sensitivity. Method. The method involves combined use of technical solutions for the mechanical movement of optical components and correction of residual inhomogeneity of the sensitivity of the photodetector based on micro-scanning of the observation scene. Main results. A thermal imaging camera with micro-scanning based on a small-format matrix photodetector (320×256 pixels of cadmium mercury telluride) with a spectral range of 8–10 µm is developed. The camera uses gearless electromechanical drives allowing micro-scanning of the observed scene, changing fields of view, focusing, and channel calibration. The camera is equipped with a 4× zoom range lens with a maximum field of view of 21.7∘×17.5∘ and a spatial resolution of 2.27mrad−1 in micro-scan mode. The combination of the proposed solutions made it possible to obtain a high-quality thermal imaging device with a temperature difference equivalent to noise equal to 23 mK. Practical significance. The proposed thermal imaging camera can be employed in the fields of non-destructive testing, surveillance, and environmental monitoring. The proposed technical solutions will be useful for evaluating high-resolution parameters and threshold sensitivity of thermal imaging mechanisms using photodetectors in a small-format matrix.","PeriodicalId":16597,"journal":{"name":"Journal of Optical Technology","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135194200","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Use of Raman spectroscopy for assessment of changes in enamel and dentin composition after in-office whitening 使用拉曼光谱评估办公室美白后牙釉质和牙本质成分的变化
4区 物理与天体物理
Journal of Optical Technology Pub Date : 2023-06-01 DOI: 10.1364/jot.90.000349
O. O. Frolov, P. E. Timchenko, E. V. Timchenko, L. T. Volova, O. A. Magsumova, M. A. Postnikov
{"title":"Use of Raman spectroscopy for assessment of changes in enamel and dentin composition after in-office whitening","authors":"O. O. Frolov, P. E. Timchenko, E. V. Timchenko, L. T. Volova, O. A. Magsumova, M. A. Postnikov","doi":"10.1364/jot.90.000349","DOIUrl":"https://doi.org/10.1364/jot.90.000349","url":null,"abstract":"","PeriodicalId":16597,"journal":{"name":"Journal of Optical Technology","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135195214","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
In memory of Yuri Alexandrovich Rezunkov—19 October 1950–31 March 2023 纪念尤里·亚历山德罗维奇·列尊科夫，1950年10月19日- 2023年3月31日
4区 物理与天体物理
Journal of Optical Technology Pub Date : 2023-06-01 DOI: 10.1364/jot.90.000353
None Editorial Office and Editorial Board
{"title":"In memory of Yuri Alexandrovich Rezunkov—19 October 1950–31 March 2023","authors":"None Editorial Office and Editorial Board","doi":"10.1364/jot.90.000353","DOIUrl":"https://doi.org/10.1364/jot.90.000353","url":null,"abstract":"","PeriodicalId":16597,"journal":{"name":"Journal of Optical Technology","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135195215","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Femtosecond laser-based absolute rangefinder with the possibility of traceability to the time and frequency standard 飞秒激光绝对测距仪，具有时间和频率标准可追溯性的可能性
4区 物理与天体物理
Journal of Optical Technology Pub Date : 2023-06-01 DOI: 10.1364/jot.90.000302
Denis Sokolov, Sergey Kozachenkov
{"title":"Femtosecond laser-based absolute rangefinder with the possibility of traceability to the time and frequency standard","authors":"Denis Sokolov, Sergey Kozachenkov","doi":"10.1364/jot.90.000302","DOIUrl":"https://doi.org/10.1364/jot.90.000302","url":null,"abstract":"","PeriodicalId":16597,"journal":{"name":"Journal of Optical Technology","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135195218","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Multichannel polarization-selective splitter by use of a semicircle grating scheme 采用半圆光栅方案的多通道偏振选择分路器
4区 物理与天体物理
Journal of Optical Technology Pub Date : 2023-06-01 DOI: 10.1364/jot.90.000344
Zhichao Xiong, Bo Wang, Lichang Li, Yongchun Zhou, Guoyu Liang, Jiaman Hong
{"title":"Multichannel polarization-selective splitter by use of a semicircle grating scheme","authors":"Zhichao Xiong, Bo Wang, Lichang Li, Yongchun Zhou, Guoyu Liang, Jiaman Hong","doi":"10.1364/jot.90.000344","DOIUrl":"https://doi.org/10.1364/jot.90.000344","url":null,"abstract":"","PeriodicalId":16597,"journal":{"name":"Journal of Optical Technology","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135195501","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optical radiation polarization analyzer for the Takhomag-International Space Station space-based spectromagnetograph 塔霍马格-国际空间站天基磁谱仪的光辐射偏振分析仪
4区 物理与天体物理
Journal of Optical Technology Pub Date : 2023-06-01 DOI: 10.1364/jot.90.000310
Ilya Kozhevatov, Evgeniy Rudenchik, Dmitry Silin, Sergey Stukachev, Elena Kulikova
{"title":"Optical radiation polarization analyzer for the Takhomag-International Space Station space-based spectromagnetograph","authors":"Ilya Kozhevatov, Evgeniy Rudenchik, Dmitry Silin, Sergey Stukachev, Elena Kulikova","doi":"10.1364/jot.90.000310","DOIUrl":"https://doi.org/10.1364/jot.90.000310","url":null,"abstract":"","PeriodicalId":16597,"journal":{"name":"Journal of Optical Technology","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135195508","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Parametric optimization of silicate-glass-based asymmetric two-beam laser splitting 硅酸盐-玻璃基非对称双光束激光分裂的参数优化
4区 物理与天体物理
Journal of Optical Technology Pub Date : 2023-06-01 DOI: 10.1364/jot.90.000296
Yuri Nikitjuk, Andrey Sereda, Anatoly Serdyukov, Sergey Shalupaev, Igor Aushev
{"title":"Parametric optimization of silicate-glass-based asymmetric two-beam laser splitting","authors":"Yuri Nikitjuk, Andrey Sereda, Anatoly Serdyukov, Sergey Shalupaev, Igor Aushev","doi":"10.1364/jot.90.000296","DOIUrl":"https://doi.org/10.1364/jot.90.000296","url":null,"abstract":"","PeriodicalId":16597,"journal":{"name":"Journal of Optical Technology","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135195217","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Leak detection of a gathering pipeline based on a sensitive designed fiber Bragg grating pressure sensing system 基于光纤光栅压力传感系统的集输管道泄漏检测
4区 物理与天体物理
Journal of Optical Technology Pub Date : 2023-06-01 DOI: 10.1364/jot.90.000329
Zhang Jian, Liang Lei, Mawien Kon, Feng Kun
{"title":"Leak detection of a gathering pipeline based on a sensitive designed fiber Bragg grating pressure sensing system","authors":"Zhang Jian, Liang Lei, Mawien Kon, Feng Kun","doi":"10.1364/jot.90.000329","DOIUrl":"https://doi.org/10.1364/jot.90.000329","url":null,"abstract":"","PeriodicalId":16597,"journal":{"name":"Journal of Optical Technology","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135195510","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Design of a large aperture focal plane curtain shutter 设计了一种大孔径焦平面窗帘百叶窗
4区 物理与天体物理
Journal of Optical Technology Pub Date : 2023-06-01 DOI: 10.1364/jot.90.000336
Renkui Jiang, Wei Liang, Yongkun Fan, Fu Zhang, Yongchao Zhang
{"title":"Design of a large aperture focal plane curtain shutter","authors":"Renkui Jiang, Wei Liang, Yongkun Fan, Fu Zhang, Yongchao Zhang","doi":"10.1364/jot.90.000336","DOIUrl":"https://doi.org/10.1364/jot.90.000336","url":null,"abstract":"","PeriodicalId":16597,"journal":{"name":"Journal of Optical Technology","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135195219","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Routing subcarrier wave quantum key distribution through a metropolitan optical transport network 通过城域光传输网络路由子载波量子密钥分发
4区 物理与天体物理
Journal of Optical Technology Pub Date : 2023-06-01 DOI: 10.1364/jot.90.000324
Angelina Tarabrina, Irina Vorontsova, Sergey Kynev, Fedor Kiselev, Vladimir Egorov
{"title":"Routing subcarrier wave quantum key distribution through a metropolitan optical transport network","authors":"Angelina Tarabrina, Irina Vorontsova, Sergey Kynev, Fedor Kiselev, Vladimir Egorov","doi":"10.1364/jot.90.000324","DOIUrl":"https://doi.org/10.1364/jot.90.000324","url":null,"abstract":"","PeriodicalId":16597,"journal":{"name":"Journal of Optical Technology","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135195213","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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