{"title":"激光辐射剂量控制的自动化","authors":"P. Neyezhmakov, E. Tymofeiev, О. Lyashenko","doi":"10.33955/2307-2180(6)2018.28-35","DOIUrl":null,"url":null,"abstract":"The wide application of laser systems and the increase in the values of their energy characteristics, which may hazard to the health of staff and other people in the area of direct and reflected laser radiation, necessitates a permanent dosimetric monitoring in these areas. However, the methods of measuring the parameters of laser radiation at a given point in space to determine the degree of radiation safety for the human body, established in the standard DSTU EN 60825-1: 2016, are difficult to implement when using obsolete monitoring equipment. Therefore, the development of an automated method for determining the characteristics of a laser system and the rapid detection and determination of the direction and coordinates of laser radiation is relevant. \nThe proposed method for automated determination of the laser system characteristics differs by applying an additional measurement channel with a photodetector, as in the main channel, and a compensated filter to ensure the difference of the readings in the channels, so that each difference of measured channel values corresponds to the one wavelength value. For the formation of a compensation filter with a constant spectral characteristic in the most demanded wavelength range from 0.4 microns to 1.1 microns are used by known methods of calculation and manufacturing. A combination of optical glass NSNU 13 and SZS-9 with varying thickness as a compensation filter is permitting measure of laser irradiation doze for radiation in this range with an error that does not exceed 15%. \nIt is necessary to perform the tasks of quickly finding and estimating the angular coordinates of the laser sources for monitoring the parameters of laser radiation in the working area. Improving the design of the device for detecting and determining the angular coordinates of laser radiation is made by using an optical system that directs laser radiation to a photodetector of radiation and an information processing unit, in front of which a volume matted screen is installed so that the distance from the middle of the optical system to the nearest point of the screen is greater distance of the optical system. The photodetector matrix installed in the optical system focus is used as a photodetector of laser radiation. \nThe application of spherical screens for direct laser radiation and cones for diffused and diffused reflected radiation is proposed for the effective and rapid determination of radiation corners in the working zone. \nDosimeters with automated wavelength monitoring and detection and determination of the angular coordinates of laser radiation will facilitate and reduce the cost of conducting dosimetry monitoring.","PeriodicalId":52864,"journal":{"name":"Metrologiia ta priladi","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2018-12-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Automation of Dosimetric Control for Laser Radiation\",\"authors\":\"P. Neyezhmakov, E. Tymofeiev, О. 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Therefore, the development of an automated method for determining the characteristics of a laser system and the rapid detection and determination of the direction and coordinates of laser radiation is relevant. \\nThe proposed method for automated determination of the laser system characteristics differs by applying an additional measurement channel with a photodetector, as in the main channel, and a compensated filter to ensure the difference of the readings in the channels, so that each difference of measured channel values corresponds to the one wavelength value. For the formation of a compensation filter with a constant spectral characteristic in the most demanded wavelength range from 0.4 microns to 1.1 microns are used by known methods of calculation and manufacturing. A combination of optical glass NSNU 13 and SZS-9 with varying thickness as a compensation filter is permitting measure of laser irradiation doze for radiation in this range with an error that does not exceed 15%. \\nIt is necessary to perform the tasks of quickly finding and estimating the angular coordinates of the laser sources for monitoring the parameters of laser radiation in the working area. Improving the design of the device for detecting and determining the angular coordinates of laser radiation is made by using an optical system that directs laser radiation to a photodetector of radiation and an information processing unit, in front of which a volume matted screen is installed so that the distance from the middle of the optical system to the nearest point of the screen is greater distance of the optical system. The photodetector matrix installed in the optical system focus is used as a photodetector of laser radiation. \\nThe application of spherical screens for direct laser radiation and cones for diffused and diffused reflected radiation is proposed for the effective and rapid determination of radiation corners in the working zone. \\nDosimeters with automated wavelength monitoring and detection and determination of the angular coordinates of laser radiation will facilitate and reduce the cost of conducting dosimetry monitoring.\",\"PeriodicalId\":52864,\"journal\":{\"name\":\"Metrologiia ta priladi\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2018-12-28\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Metrologiia ta priladi\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.33955/2307-2180(6)2018.28-35\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Metrologiia ta priladi","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.33955/2307-2180(6)2018.28-35","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
摘要
激光系统的广泛应用及其能量特性值的增加可能危害直接和反射激光辐射领域的工作人员和其他人的健康,因此需要在这些领域建立永久的剂量学监测环。然而,在使用过时的监测设备时,DSTU EN 60825- 1:20 16标准中建立的测量空间中给定点的激光辐射参数以确定人体辐射安全程度的方法难以实施。因此,开发一种自动化的方法来确定激光系统的特性,并快速检测和确定激光辐射的方向和坐标是相关的。所提出的自动确定激光系统特性的方法是通过在主通道中应用带有光电探测器的附加测量通道和补偿滤波器来确保通道中读数的差异,从而使测量通道值的每个差异对应于一个波长值。为了在0.4微米至1.1微米的最需要波长范围内形成具有恒定光谱特性的补偿滤波器,使用已知的计算和制造方法。采用不同厚度的光学玻璃NSNU 13和sz -9作为补偿滤光片,可以测量该范围内的激光辐射,误差不超过15%。为了实现对工作区域内激光辐射参数的监测,有必要完成快速查找和估计激光源角坐标的任务。改进了激光辐射角坐标检测和确定装置的设计,采用光学系统,将激光辐射引导到光电辐射探测器和信息处理单元,在光电辐射探测器和信息处理单元的前面安装体抠图屏,使光学系统中间到屏幕最近点的距离大于光学系统的距离。安装在光学系统焦点上的光电探测器矩阵被用作激光辐射的光电探测器。为了有效、快速地确定工作区内的辐射角点,提出了应用激光直接辐射球面屏和扩散反射和扩散反射辐射锥的方法。具有自动波长监测和检测和确定激光辐射角坐标的剂量计将促进并降低进行剂量学监测的成本。
Automation of Dosimetric Control for Laser Radiation
The wide application of laser systems and the increase in the values of their energy characteristics, which may hazard to the health of staff and other people in the area of direct and reflected laser radiation, necessitates a permanent dosimetric monitoring in these areas. However, the methods of measuring the parameters of laser radiation at a given point in space to determine the degree of radiation safety for the human body, established in the standard DSTU EN 60825-1: 2016, are difficult to implement when using obsolete monitoring equipment. Therefore, the development of an automated method for determining the characteristics of a laser system and the rapid detection and determination of the direction and coordinates of laser radiation is relevant.
The proposed method for automated determination of the laser system characteristics differs by applying an additional measurement channel with a photodetector, as in the main channel, and a compensated filter to ensure the difference of the readings in the channels, so that each difference of measured channel values corresponds to the one wavelength value. For the formation of a compensation filter with a constant spectral characteristic in the most demanded wavelength range from 0.4 microns to 1.1 microns are used by known methods of calculation and manufacturing. A combination of optical glass NSNU 13 and SZS-9 with varying thickness as a compensation filter is permitting measure of laser irradiation doze for radiation in this range with an error that does not exceed 15%.
It is necessary to perform the tasks of quickly finding and estimating the angular coordinates of the laser sources for monitoring the parameters of laser radiation in the working area. Improving the design of the device for detecting and determining the angular coordinates of laser radiation is made by using an optical system that directs laser radiation to a photodetector of radiation and an information processing unit, in front of which a volume matted screen is installed so that the distance from the middle of the optical system to the nearest point of the screen is greater distance of the optical system. The photodetector matrix installed in the optical system focus is used as a photodetector of laser radiation.
The application of spherical screens for direct laser radiation and cones for diffused and diffused reflected radiation is proposed for the effective and rapid determination of radiation corners in the working zone.
Dosimeters with automated wavelength monitoring and detection and determination of the angular coordinates of laser radiation will facilitate and reduce the cost of conducting dosimetry monitoring.