Event-based SWIR sensor

Jakobson, C.G.; Fraenkel, Rami; Ben-Ari, Nimrod; Dobromislin, Roman; Shiloah, N.; Argov, Tomer; Freiman, Willie; Zohar, Gal; Langof, L.; Ofer, Oren; Elishkov, R.; Shunem, Edan; Labilov, Michael; Alcheck, Menashe; Kalfa, Yiftah; Nitzani, M.; Karni, Yoram; Shtrichman, I.; Markovitz, Tuvy

doi:10.1117/12.2618290

Cited by 2 publications

(2 citation statements)

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“…In order to interpret the "coupling" between the positive and negative response we compared the results with the event channel simulation shown previously [5]. In the top left hand side of Fig.…”

Section: Event Detectionmentioning

confidence: 99%

“…Last year SCD presented the first event-based InGaAs sensor that is sensitive in the Visible to SWIR band (600-1700nm) [5]. This sensor follows the line of multi-functional InGaAs/InP SWIR products that was launched in 2013 with the Cardinal 640 VGA 15µm pitch, followed by Cardinal 1280 SXGA 10µm pitch, and by Cardinal 640 Low Noise VGA 15µm pitch [6][7][8].…”

Section: Introductionmentioning

confidence: 99%

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SWIFT EI: event-based SWIR sensor for tactical applications

Fraenkel,

Jakobson,

Ben Ari

et al. 2023

Infrared Technology and Applications XLIX

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Event-based imagers are an emerging class of sensors with demonstrated advantages relative to traditional imagers. Event-based vision sensors have a limited number of output bits that are only responsive to image variations, thus overcoming the speed and power constraints of the conventional imagers based on image integration. The SWIFT EI the first event-based InGaAs sensor that is sensitive in the Visible to SWIR band (600–1700nm). The main novelty of this sensor is that the event channel outputs in parallel to a conventional fast imaging channel. Moreover, we can reconfigure the event channel to provide a fast laser pulse detection mode (3rd generation ALPD), which also outputs in parallel to the integrated image. In that context we described in detail the architecture, key features, and preliminary simulations of the ROIC. The SWIFT EI is a low SWaP product optimized for tactical wide distribution applications that incorporates the event based FPA. We will present measurement results of the high frame rate (HFR) imaging channel; the event channel that can reach up to 25 kHz of negative, null, or positive signal, and the laser detection channel providing a single bit detection frame up to 50 kHz. This feature is ideal for multi spot tracking and pulse repetition frequency (PRF).

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Section: Event Detectionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

SWIFT EI: event-based SWIR sensor for tactical applications

Fraenkel,

Jakobson,

Ben Ari

et al. 2023

Infrared Technology and Applications XLIX

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SWIFT: a low SWaP wide distribution SWIR product line

Fraenkel,

Elishkov,

Reches

et al. 2024

Infrared Technology and Applications L

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Over the last decade a growing demand for imaging solutions in the short wave infra-red (SWIR) regime has stimulated technological investments aimed for cost and size reduction. This resulted in the development of smaller pitch, lower power focal-plane arrays (FPAs), enabling the production of a very compact and low-cost electrooptical systems for the SWIR band. SCD has been on the forefront of this technological wave developing the SWIFT family of 10 µm pitch InGaAs SWIR digital infrared detectors.Currently the SWIFT family consists of two products. The SWIFT 640 is a compact VGA version of the Cardinal1280 FPA embedded in a compact ceramic package. The module consists of dedicated proximity electronics boards providing power and timing to the readout circuit (ROIC) and enables communication and video to the system. It presents low noise imaging with very low dark current and excellent imaging under low light level conditions. In this work, we will elaborate on the electro-optical performance, low SWaP design considerations and the environmental endurance of this module.The second product -SWIFT 640 EIcombines daylight and low light level imaging with event-based imaging and multi spot laser tracking. Recently we described the architecture, key features, and preliminary characterization results. In this article, we will present detailed results for the ALPD detection sensitivity and false alarm rate (FAR) as a function of laser pulse intensity and background flux. We will also present our capability to track and decode simultaneously several laser spots.

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Event-based SWIR sensor

Cited by 2 publications

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SWIFT EI: event-based SWIR sensor for tactical applications

SWIFT EI: event-based SWIR sensor for tactical applications

SWIFT: a low SWaP wide distribution SWIR product line

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