6 August 2009 The research of ultraviolet detection by using CCD
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Abstract
Lumogen Yellow S 0790 is a commercial pigment based on azomethine and is used for enhancing charge-coupled device (CCD) for detecting ultraviolet radiation. It's used as a wavelength up-shifter, whereby short wavelength ultraviolet (UV) light that is absorbed by the material is rapidly re-emitted with longer wavelengths in the visible spectra, for improving the spectral response of CCD detectors. In this work we research on differences of the crystallized sample and the re-crystallized sample in crystal structure, morphology and optical properties, including laser-induced fluorescence excitation spectrum, emission spectrum and Raman spectra. The results show that re-crystallized Lumogen sample has better crystalline structure on the application of ultraviolet sensitizer. By using the re-crystallized as-deposited Lumogen films on glass substrate in front of the CCD detector, ultraviolet can be detected and quantized better.
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Yi-fan Zheng, Xiaoxuan Xu, Bin Wang, Zhe Qin, Jun-mei Li, "The research of ultraviolet detection by using CCD", Proc. SPIE 7384, International Symposium on Photoelectronic Detection and Imaging 2009: Advances in Imaging Detectors and Applications, 738426 (6 August 2009); doi: 10.1117/12.835900; https://doi.org/10.1117/12.835900
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