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ISSCC 2016Session 6 · IMAGE SENSORSImage Sensors

A 1280×720 Single-Photon-Detecting Image Sensor with 100dB Dynamic Range Using a Sensitivity-Boosting Technique

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📋 论文概要

本文提出了一种1280×720分辨率的单光子检测图像传感器,采用灵敏度增强技术实现了100dB的动态范围,解决了在极低光照条件下(如新月照度)单光子检测的难题,同时保持了常规CMOS像素尺寸(1.5-5μm)。

💡 主要创新点

核心指标
100dB dynamic range
重要性
发表年份
ISSCC 2016

🏷 关键词

单光子检测图像传感器动态范围灵敏度增强CMOS像素

📄 原文摘要

sensors such as camcorders, digital still cameras, mobile phones, and surveillance cameras. Even though leading-edge image sensors have reached the noise floor of a few electrons [1,2], a thrust towards darker levels still continues down to an illumination level equivalent to being under a crescent moon (i.e., 10-2 down to 10-4 lux). This requires single-photon detection with typical digital cameras pixel size, i.e., 1.5 to 5μm. Although huge-size pixel [3] or single-photon avalanche photodiode (SPAD) based image sensors [4] have been presented for such a purpose, in general, both have to pay area and dark current penalties. Thus, an image sensor capable of both single-photon detection and normal imaging providing us with a high dynamic range is a huge technological challenge.

👥 作者与机构

Mitsuyoshi Mori, Yusuke Sakata, Manabu Usuda, Sejii Yamahira,

Shigetaka Kasuga, Yutaka Hirose, Yoshihisa Kato, Tsuyoshi Tanaka Panasonic, Nagaokakyo, Japan Continuous improvements in sensitivity have opened up applications for image

分类:Image Sensors · 年份:ISSCC 2016