.png){kind=icon}
返回
Progress in a-Si:H based multispectral sensor technology and material recognition
.png){kind=icon}
PRE
AI
DOI：10.1016/j.sna.2014.12.007.png)
.png){kind=icon}
原文求助.png){kind=icon}
分享.png){kind=icon}
收藏
摘要
En 中文
In this paper we describe the development of four different amorphous silicon based pi(x)n multispectral photodetectors and discuss their optical characteristics as a result of extensive bandgap engineering. Upcoming from a sensor structure providing narrow band absorption peaks between 450 nm and 540 nm with a maximum applied bias of -12 V, we developed bias optimized detectors with increased bandwidth by changing the composition and thickness of the absorbing material. By applying just -2.5 V, one sensor obtains almost a Gaussian spectral response with peaks ranging from 420 nm to 580 nm. We present a specific algorithm to simulate color recognition probabilities for 20 different whitish powders by using two similar detectors. For the sensor providing sensitivity maxima reaching from 450 nm to 600 nm with sampling peaks in the range between 400 nm and 670 nm, the simulation discloses enhanced recognition probabilities of more than 70.2%, requiring a readout time of at least 15.5 ms. As assumed, the competetive sensor structure providing just a sampling bandwidth between 420 nm and 630 nm achieves recognition probabilities of 62.5% with a reduced readout time of only 6.1 ms. Possible sensor applications may exist in fields of fluorescence and spectrophotometric measurements, in chemical analysis, medical diagnostics or in colorimetric and multispectral imagery. (C) 2014 Elsevier B.V. All rights reserved.
Keyword:
Multispectral imaging
Amorphous silicon
Photonics
Optical sensing
Material recognition
Civil security applications
AI总结
对已上传原文的论文进行重点信息的提取，主要内容包括：简要概述、研究摘要、背景介绍、关键亮点、图文解析、展望与总结。
期刊
IF:
4.9
论文数:
1.5W
被引数:
3.3W
机构
引用论文
.png){kind=icon}
分享收藏Improved strategy of screening tolerant genotypes in drought stress based on a new program in R-language: a practical triticale breeding program基于R语言新程序在干旱胁迫下筛选耐逆基因型改进策略：一个实用的 Triticaie 育种计划
PREAI
分享收藏The UNC-CH MCH Leadership Training Consortium: Building the Capacity to Develop Interdisciplinary MCH LeadersUNC-CH MCH领导力培训联盟：构建培养跨学科MCH领导者的能力
PREAI
分享收藏Using a most significant change approach to evaluate learner-centric outcomes of clinical scholars leadership training program采用“最大显著变化”方法评估临床学者领导力培训项目的以学习者为中心的成果
OAAI
OAAI分享收藏 没有更多内容
没有更多内容