Target acquisition performance comparison of active continuous-wave and range-gated imaging systems at 1.6 and 2.1 μm

Joshua Follansbee; Derek Burrell; Orges Furxhi; C. Kyle Renshaw; John Lund; Ronald Driggers

doi:10.1117/1.OE.62.9.094107

Target acquisition performance comparison of active continuous-wave and range-gated imaging systems at 1.6 and 2.1 μm

Joshua Follansbee, Derek Burrell, Orges Furxhi, C. Kyle Renshaw, John Lund, Ronald Driggers

Optical Sciences

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

Active imaging systems can provide increased contrast-to-noise ratio (CNR) and targeting performance over passive systems in low-light and long-range applications. We use both a radiometric model and the Night Vision Integrated Performance Model to compare the performance of active continuous-wave (CW) and laser range-gated (LRG) imaging systems with laser illumination at 1.6 and 2.1 μm, corresponding to the shortwave infrared (SWIR) and extended SWIR (eSWIR) bands, respectively. The imager performance is characterized by CNR as a function of range, as well as pixels-on-target. The modeling results demonstrate increased performance in the eSWIR band over the SWIR band in the majority of cases and increased performance for LRG systems over CW systems in all cases. The in-progress design of an active imaging testbed to confirm these modeling results with field imagery is discussed.

Original language	English (US)
Article number	094107
Journal	Optical Engineering
Volume	62
Issue number	9
DOIs	https://doi.org/10.1117/1.OE.62.9.094107
State	Published - Sep 1 2023

Keywords

active imaging
extended shortwave infrared
range-gating
shortwave infrared

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
General Engineering

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10.1117/1.OE.62.9.094107

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title = "Target acquisition performance comparison of active continuous-wave and range-gated imaging systems at 1.6 and 2.1 μm",

abstract = "Active imaging systems can provide increased contrast-to-noise ratio (CNR) and targeting performance over passive systems in low-light and long-range applications. We use both a radiometric model and the Night Vision Integrated Performance Model to compare the performance of active continuous-wave (CW) and laser range-gated (LRG) imaging systems with laser illumination at 1.6 and 2.1 μm, corresponding to the shortwave infrared (SWIR) and extended SWIR (eSWIR) bands, respectively. The imager performance is characterized by CNR as a function of range, as well as pixels-on-target. The modeling results demonstrate increased performance in the eSWIR band over the SWIR band in the majority of cases and increased performance for LRG systems over CW systems in all cases. The in-progress design of an active imaging testbed to confirm these modeling results with field imagery is discussed.",

keywords = "active imaging, extended shortwave infrared, range-gating, shortwave infrared",

author = "Joshua Follansbee and Derek Burrell and Orges Furxhi and Renshaw, {C. Kyle} and John Lund and Ronald Driggers",

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AU - Follansbee, Joshua

AU - Burrell, Derek

AU - Furxhi, Orges

AU - Renshaw, C. Kyle

AU - Lund, John

AU - Driggers, Ronald

PY - 2023/9/1

Y1 - 2023/9/1

N2 - Active imaging systems can provide increased contrast-to-noise ratio (CNR) and targeting performance over passive systems in low-light and long-range applications. We use both a radiometric model and the Night Vision Integrated Performance Model to compare the performance of active continuous-wave (CW) and laser range-gated (LRG) imaging systems with laser illumination at 1.6 and 2.1 μm, corresponding to the shortwave infrared (SWIR) and extended SWIR (eSWIR) bands, respectively. The imager performance is characterized by CNR as a function of range, as well as pixels-on-target. The modeling results demonstrate increased performance in the eSWIR band over the SWIR band in the majority of cases and increased performance for LRG systems over CW systems in all cases. The in-progress design of an active imaging testbed to confirm these modeling results with field imagery is discussed.

AB - Active imaging systems can provide increased contrast-to-noise ratio (CNR) and targeting performance over passive systems in low-light and long-range applications. We use both a radiometric model and the Night Vision Integrated Performance Model to compare the performance of active continuous-wave (CW) and laser range-gated (LRG) imaging systems with laser illumination at 1.6 and 2.1 μm, corresponding to the shortwave infrared (SWIR) and extended SWIR (eSWIR) bands, respectively. The imager performance is characterized by CNR as a function of range, as well as pixels-on-target. The modeling results demonstrate increased performance in the eSWIR band over the SWIR band in the majority of cases and increased performance for LRG systems over CW systems in all cases. The in-progress design of an active imaging testbed to confirm these modeling results with field imagery is discussed.

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KW - range-gating

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Target acquisition performance comparison of active continuous-wave and range-gated imaging systems at 1.6 and 2.1 μm

Abstract

Keywords

ASJC Scopus subject areas

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