High dynamic solutions for short-wavelength infrared imaging based on InGaAs

Jean-Luc Reverchon; Jean Decobert; Anis Djedidi; Jean-Louis Gentner; Odile Huet; Nadine Lagay; Anne Rouvie; Jean-Alexandre Robo; Jean-Patrick Truffer; Eric M. Costard; Yang Ni; Bogdan Arion; Yiming Zhu

doi:10.1117/1.3585661

1 June 2011 High dynamic solutions for short-wavelength infrared imaging based on InGaAs

Jean-Luc Reverchon, Jean Decobert, Anis Djedidi, Jean-Louis Gentner, Odile Huet, Nadine Lagay, Anne Rouvie, Jean-Alexandre Robo, Jean-Patrick Truffer, Eric M. Costard, Yang Ni, Bogdan Arion, Yiming Zhu

Author Affiliations +

Optical Engineering, Vol. 50, Issue 6, 061014 (June 2011). https://doi.org/10.1117/1.3585661

Abstract

Short-wavelength infrared image sensors based on p-i-n photodiode arrays present a tremendous interest in applications such as passive and active imagery for laser detection/warning, hot spot or detection for lasers sensors, enhanced vision systems or low light level sensors. The capability to work at room temperature with dark current equivalent to silicon-based devices is another motivation for the fast development of this technology. This paper presents several modules and camera based on InGaAs photodiode arrays from the III-VLab. First, we describe the electro-optics performance in terms of dark signal, sensitivity, and particularly the visible extension capability. We also present a nucless logarithmic sensor based on a 1/2 video graphics array (VGA) format at a pitch of 25 μm initially designed for visible CMOS camera chip. We will also present the next generation of focal plane arrays based on a VGA format of 640×512 pixels with a pitch of 15 μm. This array will be associated to a CTIA readout circuit and also to an innovative CMOS logarithmic wide dynamic range ROIC, developed by New Imaging Technologies. This VGA logarithmic device developed for automotive safety will involve visible extension capability in a European project named 2Wide_sense.

©(2011) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Jean-Luc Reverchon, Jean Decobert, Anis Djedidi, Jean-Louis Gentner, Odile Huet, Nadine Lagay, Anne Rouvie, Jean-Alexandre Robo, Jean-Patrick Truffer, Eric M. Costard, Yang Ni, Bogdan Arion, and Yiming Zhu "High dynamic solutions for short-wavelength infrared imaging based on InGaAs," Optical Engineering 50(6), 061014 (1 June 2011). https://doi.org/10.1117/1.3585661

Published: 1 June 2011

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