Geiger-mode focal plane arrays enable SWIR 3D imaging

Geiger-mode focal plane arrays enable SWIR 3D imaging

By hybridizing Geigermode APD (GmAPD) detector arrays to suitable CMOS readout integrated circuits (ROICs), we have developed a GmAPD focal plane array (FPA) that serves as an ideal sensor engine for 3D imaging lidar systems with singlephoton sensitivity at SWIR wavelengths. Because these GmAPD FPAs...

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Bibliographic Details
Published in:Laser focus world Vol. 47; no. 3; p. 71
Main Authors: Itzler, Mark, Entwistle, Mark
Format: Magazine Article
Language:English
Published: Tulsa Endeavor Business Media 01-03-2011
Subjects:
Accuracy
Design
Integrated circuits
Semiconductors
Sensors
Temperature
Online Access:Get full text
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Summary:By hybridizing Geigermode APD (GmAPD) detector arrays to suitable CMOS readout integrated circuits (ROICs), we have developed a GmAPD focal plane array (FPA) that serves as an ideal sensor engine for 3D imaging lidar systems with singlephoton sensitivity at SWIR wavelengths. Because these GmAPD FPAs can create lidar images with much lower pulse energies than systems that use conventional detectors and tend to require return pulses of at least dozens or even hundreds of photons per pixel for reliable detection, this GmAPD performance advantage translates to greatly reduced system-level size, weight, and power requirements.
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ISSN:1043-8092