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光纤传感是近十来年发展起来的一门新兴学科和新兴技术。利用光纤技术在国民经济、国防等各个领域中探测各种物理化学等参数的变化具有显著的独特优越性和异常光明的应用前景。 为开展光纤多用途的研究,发展光纤理论和技术为四个现代化服务,我院进行了光纤传感的技术调研和应用调研,针对工业生产中的一些实际问题和检测需要,研制了FRS-Ⅰ型光纤传感浓度测试仪用于液体浓度测试。其原理是用浓度的变化引起折射率变化来进行探测,由光导纤维和光学元器件构成的专用光纤传感头和专用的光电检测电路,可以敏感地探
Optical fiber sensing is a new discipline and emerging technology developed in the past ten years. The use of optical fiber technology in the national economy, national defense and other fields to detect a variety of physical and chemical parameters of the change has significant unique advantages and unusually bright application prospects. In order to carry out multi-purpose research of optical fiber and develop optical fiber theory and technology for four modernized services, our institute conducted technical research and application research on optical fiber sensing. According to some practical problems and testing needs in industrial production, FRS-Ⅰ Fiber Sensing Concentration Tester for liquid concentration testing. The principle is to detect the change of refractive index caused by the change of concentration. The special optical fiber sensor head and the special photoelectric detection circuit composed of optical fiber and optical components can be sensitively probed