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Single-pixel camera with one graphene photodetector
Li GX(李恭新); Wang WX(王文学); Wang YC(王越超); Yang WG(杨文广); Liu LQ(刘连庆)
Department机器人学研究室
Source PublicationOPTICS EXPRESS
ISSN1094-4087
2016
Volume24Issue:1Pages:400-408
Indexed BySCI ; EI
EI Accession number20161402202474
WOS IDWOS:000368004800039
Contribution Rank1
Funding OrganizationNational Natural Science Foundation of China [61327014, 61375107] ; National High Technology Research and Development Program of China [2012AA020103] ; CAS/SAFEA International Partnership Program for Creative Research Teams
AbstractConsumer cameras in the megapixel range are ubiquitous, but the improvement of them is hindered by the poor performance and high cost of traditional photodetectors. Graphene, a two-dimensional micro-/nano-material, recently has exhibited exceptional properties as a sensing element in a photodetector over traditional materials. However, it is difficult to fabricate a large-scale array of graphene photodetectors to replace the traditional photodetector array. To take full advantage of the unique characteristics of the graphene photodetector, in this study we integrated a graphene photodetector in a single-pixel camera based on compressive sensing. To begin with, we introduced a method called laser scribing for fabrication the graphene. It produces the graphene components in arbitrary patterns more quickly without photoresist contamination as do traditional methods. Next, we proposed a system for calibrating the optoelectrical properties of micro/nano photodetectors based on a digital micromirror device (DMD), which changes the light intensity by controlling the number of individual micromirrors positioned at + 12 degrees. The calibration sensitivity is driven by the sum of all micromirrors of the DMD and can be as high as 10(-5) A/W. Finally, the single-pixel camera integrated with one graphene photodetector was used to recover a static image to demonstrate the feasibility of the single-pixel imaging system with the graphene photodetector. A high-resolution image can be recovered with the camera at a sampling rate much less than Nyquist rate. The study was the first demonstration for ever record of a macroscopic camera with a graphene photodetector. The camera has the potential for high-speed and high-resolution imaging at much less cost than traditional megapixel cameras. (C) 2016 Optical Society of America
Language英语
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectOptics
WOS KeywordHIGH-PERFORMANCE ; LAYER GRAPHENE ; OXIDE ; REDUCTION ; FILMS
WOS Research AreaOptics
Citation statistics
Cited Times:15[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/17649
Collection机器人学研究室
Corresponding AuthorWang WX(王文学); Liu LQ(刘连庆)
Affiliation1.State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, China
2.University of the Chinese Academy of Sciences, Beijing, China
Recommended Citation
GB/T 7714
Li GX,Wang WX,Wang YC,et al. Single-pixel camera with one graphene photodetector[J]. OPTICS EXPRESS,2016,24(1):400-408.
APA Li GX,Wang WX,Wang YC,Yang WG,&Liu LQ.(2016).Single-pixel camera with one graphene photodetector.OPTICS EXPRESS,24(1),400-408.
MLA Li GX,et al."Single-pixel camera with one graphene photodetector".OPTICS EXPRESS 24.1(2016):400-408.
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