Denoising analysis of compact CCD-based spectrometer

被引：23
作者：
Huang, Chan [1 ]
Xia, Guo [1 ]
Jin, Shiqun [1 ]
Hu, Mingyong [1 ]
Wu, Su [1 ]
Xing, Jinyu [2 ]
机构：
[1] Hefei Univ Technol, Key Lab Special Display Technol, Minist Educ,Natl Key Lab Adv Display Technol, Natl Engn Lab Special Display Technol,Acad Photoe, Hefei 230009, Anhui, Peoples R China
[2] Hefei Univ Technol, Sch Instrument Sci & Optoelect Engn, Hefei 230009, Anhui, Peoples R China
来源：
OPTIK | 2018年 / 157卷
关键词：
Spectrometers and spectroscopy; CCD; Spectrum analysis; NOISE;
D O I：
10.1016/j.ijleo.2017.11.170
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
CCD spectrometers are widely used in many fields for quick and accurate measurement of spectra. This paper firstly analyzes various noise phenomena by using Ocean Optics USB4000 spectrometer, including readout noise, photoelectron noise, dark noise and fixed pattern noise. Secondly, noise models of CCD-based spectrometers are built based on the theoretical analysis of noise phenomena. A number of noise-limiting techniques are applied to broadband spectra and line spectra with different noise levels. Lastly by comparing the denoising results, the optimal denoising algorithms are proposed for different spectral characteristics and noise levels. (C) 2017 Elsevier GmbH. All rights reserved.
引用
收藏
页码：693 / 706
页数：14
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