激光防护镜自动检定装置与技术研究

目的：以激光辐射防护、医学计量和光电子技术为基础，研制激光防护镜自动检定装置，主要用于激光防护镜检定和各类激光防护器材防护性能测试评价。方法：对检定装置的激光照射源、激光测量仪器、计算机测控软件和辅助设备光机组件进行专门设计研究，建立了激光防护镜自动栓定装置和防护镜防护性能评价测试方法及相关技术，利用该检定装置和特有测试记录方法．可进行测量数据的自动采集、处理、记录、保存和打印输出，实现激光防护镜多项防护性能参数的自动检测。结果：检定装置的输出激光波长为1064nm和532nm，波长响应范围为0．4～1．1μm，测量能量范围为10^-8-0.3J，光密度测量范围为0．1～8．0，稳定度为0．21％，扩展不确定度为5％（％=2）。结论：该检定装置性能稳定可靠．研究结果优于设计指标，并符合国家相关标准要求。

Research of the Automatic Verification Device and Testing Technology for Laser Protective Spectacles

Objective Based on the principles of laser radiation protection, medical metroiogy and photoelectron technology, an automatic verification device and testing technology to provide verification and performance evaluation for laser protective spectacles and equipments which have the various functions in laser protection have been developed and established. Methods The current system comprises laser source, laser measuring instruments, software of computer detection and control and modules of optics and mechanics used in auxiliary equipment. By use of the verification device and the special test-recording method to be designed and studied by us, the measured data can be automatically acquired, processed, recorded, saved and printed and, furthermore, many parameters on protective performance of the measured laser protective spectacles can be tested and given. Results Laser wavelength of the verification apparatus are 1 064 nm and 532 nm, response range of wavelength is from 0.4 m to 1.1 μm, measuring range of laser energy is from 10-8 J to 0.3 J, measuring range of optical density for laser protective spectacles is from 0.1 to 8.0, stability is 0.21%, measuring uncertainty is 5%(k=2). Conclusion The automatic verification device is steady and reliable. The achieved performance indexes accord with the requirement of national standard on laser protection.