The Theoretical Highest Frame Rate of Silicon Image Sensors

被引：46

作者：

Etoh, Takeharu Goji ^{[1
,2
]}

Anh Quang Nguyen ^{[2
]}

Kamakura, Yoshinari ^{[1
]}

Shimonomura, Kazuhiro ^{[2
]}

Thi Yen Le ^{[1
]}

Mori, Nobuya ^{[1
]}

机构：

[1] Osaka Univ, Grad Sch Engn, 2-1 Yamada Oka, Suita, Osaka 5650871, Japan

[2] Ritsumeikan Univ, Grad Sch Sci & Engn, 1-1-1 Noji Higashi, Kusatsu, Shiga 5258577, Japan

来源：

SENSORS | 2017年 / 17卷 / 03期

关键词：

high speed; image sensor; frame rate; temporal resolution limit; BSI; PHOTOGRAPHY; SPEED; 2ND;

D O I：

10.3390/s17030483

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The frame rate of the digital high-speed video camera was 2000 frames per second (fps) in 1989, and has been exponentially increasing. A simulation study showed that a silicon image sensor made with a 130 nm process technology can achieve about 10(10) fps. The frame rate seems to approach the upper bound. Rayleigh proposed an expression on the theoretical spatial resolution limit when the resolution of lenses approached the limit. In this paper, the temporal resolution limit of silicon image sensors was theoretically analyzed. It is revealed that the limit is mainly governed by mixing of charges with different travel times caused by the distribution of penetration depth of light. The derived expression of the limit is extremely simple, yet accurate. For example, the limit for green light of 550 nm incident to silicon image sensors at 300 K is 11.1 picoseconds. Therefore, the theoretical highest frame rate is 90.1 Gfps (about 10(11) fps).

引用

页数：15

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