Crosstalk analysis and a cancellation method for an image sensor operating at 1Gfps

Temporal resolution and crosstalk of an ultra-high-speed image sensor operating at 1 Gfps are analyzed by using Monte Carlo simulation. An impulse response method is proposed to analyze crosstalk and to cancel large crosstalk involved in output signals of the sensor. The sensor is backside-illuminat...

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Autores principales:	Anh Quang NGUYEN, Vu Truong Son DAO, Kazuhiro SHIMONOMURA, Yoshinari KAMAKURA, Takeharu Goji ETOH
Formato:	article
Lenguaje:	EN
Publicado:	The Japan Society of Mechanical Engineers 2016
Materias:	ultra-high-speed image sensor bsi-mcg temporal resolution crosstalk monte carlo simulation Mechanical engineering and machinery TJ1-1570
Acceso en línea:	https://doaj.org/article/dd3b194ce47c40db8dee3aa47959c70f
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spelling	oai:doaj.org-article:dd3b194ce47c40db8dee3aa47959c70f2021-11-26T06:58:32ZCrosstalk analysis and a cancellation method for an image sensor operating at 1Gfps2187-974510.1299/mej.16-00284https://doaj.org/article/dd3b194ce47c40db8dee3aa47959c70f2016-07-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/mej/3/6/3_16-00284/_pdf/-char/enhttps://doaj.org/toc/2187-9745Temporal resolution and crosstalk of an ultra-high-speed image sensor operating at 1 Gfps are analyzed by using Monte Carlo simulation. An impulse response method is proposed to analyze crosstalk and to cancel large crosstalk involved in output signals of the sensor. The sensor is backside-illuminated (BSI) with multi-collection-gate (MCG) at central area of a pixel on the front side. Signal electrons generated by incident light near the back side travel to the central area of the pixel and are collected by the collection gates. The travel time and the path of a signal electron randomly distribute due to randomness in arriving spot on the backside of the sensor and penetration depth of an incident photon which generates the electron, and in the motion of the generated electron. The travel time is analyzed to define the temporal resolution of the sensor. A collecting gate is defined as one of the collection gates which is supposed to collect all the signal electrons at a certain time interval. However, due to the randomness, some of signal electrons migrate to other collection gates than the collecting gate, resulting in mixture of signal electrons at neighboring collection gates and/or pixels, causing crosstalk in time and space. The proposed impulse method is used to analyze crosstalk when the sensor operating at 1 Gfps. From the analysis, a cancellation method of crosstalk involved in output signals is presented and successfully applied in cancellation of crosstalk in an example of 2 dimensional images.Anh Quang NGUYENVu Truong Son DAOKazuhiro SHIMONOMURAYoshinari KAMAKURATakeharu Goji ETOHThe Japan Society of Mechanical Engineersarticleultra-high-speed image sensorbsi-mcgtemporal resolutioncrosstalkmonte carlo simulationMechanical engineering and machineryTJ1-1570ENMechanical Engineering Journal, Vol 3, Iss 6, Pp 16-00284-16-00284 (2016)
institution	DOAJ
collection	DOAJ
language	EN
topic	ultra-high-speed image sensor bsi-mcg temporal resolution crosstalk monte carlo simulation Mechanical engineering and machinery TJ1-1570
spellingShingle	ultra-high-speed image sensor bsi-mcg temporal resolution crosstalk monte carlo simulation Mechanical engineering and machinery TJ1-1570 Anh Quang NGUYEN Vu Truong Son DAO Kazuhiro SHIMONOMURA Yoshinari KAMAKURA Takeharu Goji ETOH Crosstalk analysis and a cancellation method for an image sensor operating at 1Gfps
description	Temporal resolution and crosstalk of an ultra-high-speed image sensor operating at 1 Gfps are analyzed by using Monte Carlo simulation. An impulse response method is proposed to analyze crosstalk and to cancel large crosstalk involved in output signals of the sensor. The sensor is backside-illuminated (BSI) with multi-collection-gate (MCG) at central area of a pixel on the front side. Signal electrons generated by incident light near the back side travel to the central area of the pixel and are collected by the collection gates. The travel time and the path of a signal electron randomly distribute due to randomness in arriving spot on the backside of the sensor and penetration depth of an incident photon which generates the electron, and in the motion of the generated electron. The travel time is analyzed to define the temporal resolution of the sensor. A collecting gate is defined as one of the collection gates which is supposed to collect all the signal electrons at a certain time interval. However, due to the randomness, some of signal electrons migrate to other collection gates than the collecting gate, resulting in mixture of signal electrons at neighboring collection gates and/or pixels, causing crosstalk in time and space. The proposed impulse method is used to analyze crosstalk when the sensor operating at 1 Gfps. From the analysis, a cancellation method of crosstalk involved in output signals is presented and successfully applied in cancellation of crosstalk in an example of 2 dimensional images.
format	article
author	Anh Quang NGUYEN Vu Truong Son DAO Kazuhiro SHIMONOMURA Yoshinari KAMAKURA Takeharu Goji ETOH
author_facet	Anh Quang NGUYEN Vu Truong Son DAO Kazuhiro SHIMONOMURA Yoshinari KAMAKURA Takeharu Goji ETOH
author_sort	Anh Quang NGUYEN
title	Crosstalk analysis and a cancellation method for an image sensor operating at 1Gfps
title_short	Crosstalk analysis and a cancellation method for an image sensor operating at 1Gfps
title_full	Crosstalk analysis and a cancellation method for an image sensor operating at 1Gfps
title_fullStr	Crosstalk analysis and a cancellation method for an image sensor operating at 1Gfps
title_full_unstemmed	Crosstalk analysis and a cancellation method for an image sensor operating at 1Gfps
title_sort	crosstalk analysis and a cancellation method for an image sensor operating at 1gfps
publisher	The Japan Society of Mechanical Engineers
publishDate	2016
url	https://doaj.org/article/dd3b194ce47c40db8dee3aa47959c70f
work_keys_str_mv	AT anhquangnguyen crosstalkanalysisandacancellationmethodforanimagesensoroperatingat1gfps AT vutruongsondao crosstalkanalysisandacancellationmethodforanimagesensoroperatingat1gfps AT kazuhiroshimonomura crosstalkanalysisandacancellationmethodforanimagesensoroperatingat1gfps AT yoshinarikamakura crosstalkanalysisandacancellationmethodforanimagesensoroperatingat1gfps AT takeharugojietoh crosstalkanalysisandacancellationmethodforanimagesensoroperatingat1gfps
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Crosstalk analysis and a cancellation method for an image sensor operating at 1Gfps

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