The design and characterisation of an optical VLSI processor for real time centroid detection

Boon Hean Pui; Barrie Hayes-Gill; Matt Clark; Michael Geoffrey Somekh; Chung See; Jean François Piéri; Steve P. Morgan; Alan Ng

doi:10.1023/A:1016075825331

The design and characterisation of an optical VLSI processor for real time centroid detection

Boon Hean Pui, Barrie Hayes-Gill, Matt Clark, Michael Geoffrey Somekh, Chung See, Jean François Piéri, Steve P. Morgan, Alan Ng

Research output: Journal article publication › Journal article › Academic research › peer-review

16 Citations (Scopus)

Abstract

The integration of photo-detectors onto a standard CMOS integrated circuit is presented. This device provides the optical front end for a real time centroid detection system to be used as part of a larger system for implementing a Shack-Hartmann wavefront sensor. A hardware emulation system containing a Field Programmable Gate Array is used to prototype suitable algorithms prior to IC fabrication. Data is presented on the performance of photodetectors and the ability to extract in real time a centroid coordinate.

Original language	English
Pages (from-to)	67-75
Number of pages	9
Journal	Analog Integrated Circuits and Signal Processing
Volume	32
Issue number	1
DOIs	https://doi.org/10.1023/A:1016075825331
Publication status	Published - 1 Jul 2002
Externally published	Yes

Keywords

Active pixel
Centroid detection
CMOS IC
FPGA
Integrated detector
Photodiodes
Wavefront sensor

ASJC Scopus subject areas

Electrical and Electronic Engineering
Hardware and Architecture
Signal Processing

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10.1023/A:1016075825331

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AU - Somekh, Michael Geoffrey

AU - See, Chung

AU - Piéri, Jean François

AU - Morgan, Steve P.

AU - Ng, Alan

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AB - The integration of photo-detectors onto a standard CMOS integrated circuit is presented. This device provides the optical front end for a real time centroid detection system to be used as part of a larger system for implementing a Shack-Hartmann wavefront sensor. A hardware emulation system containing a Field Programmable Gate Array is used to prototype suitable algorithms prior to IC fabrication. Data is presented on the performance of photodetectors and the ability to extract in real time a centroid coordinate.

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The design and characterisation of an optical VLSI processor for real time centroid detection

Abstract

Keywords

ASJC Scopus subject areas

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