电子俘获材料的研究现状及在红外检测方面的应用

电子俘获材料在辐射剂量测定、光信息处理、光存储、红外光检测等许多技术领域具有广泛的应用。本文详细介绍了电子俘获材料的发光原理、材料种类、制备方法以及研究现状,并针对该材料在红外光检测方面的应用,提出了在室温下该材料存在红外光检测上限的观点。针对电子俘获材料存在性质不稳定及在制备过程中需用到硫化类材料易造成污染等问题,建议进一步改进材料制备方法。最后,文中指出玻璃陶瓷类电子俘获材料会有很好的发展前景,并对该种材料未来的发展前景进行了展望。

Recent progress in rare earth electron trapping materials and application to infrared detection

Electron trapping materials have been more widely used in the areas of radiation dosimetry,optical information processing,optical storage and infrared detection,etc..This paper reviews the mechanism of photostimulated luminescence,material types,preparation methods and research progress of the electron trapping materials.On the basis of the applications of the materials to infrared detection,it points out that the detected infrared laser wavelength could exist a detecting threshold under the room temperature.For the shortcomings of the materials in unstable property and easy to cause environmental pollution by the sulphide in preparation processing,it suggests that the preparating method should be improved.Moreover,it emphasizes that the electron trapping materials based on glass ceramics will be promissing materials and prospects the future development of the materials.