| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 8172607 | Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment | 2015 | 4 Pages |
Abstract
Plastic scintillators are extensively used in various radiation measurement systems. However the total internal reflection decreases the scintillation light output, leading to a low detection efficiency especially in these weak signal detection situations. In the present investigation, we have designed a light extraction scheme based on the photonic crystal formed with a monolayer periodic array of polystyrene nanospheres by a self-assembly method. The photonic crystal coated on the surface of plastic scintillator can significantly enhance the light extraction by 120% compared with the plain reference sample under X-ray excitation, which is achieved by the principle of the coupling of evanescent field near the scintillator-air interface with the photonic crystal.
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Instrumentation
Authors
Jinliang Liu, Zhichao Zhu, Liang Chen, Xiaoping Ouyang, Bo Liu, Chuanwei Cheng, Jing Hu, Shiyi He, Zewei Wang, Mu Gu, Hong Chen,