Developments in Beam Profiling with a CCD Area Array Detector

RM O'Connell; RJ Ferreira; AF Stewart

doi:10.1520/STP24411S

SYMPOSIA PAPER Published: 01 January 1988

STP24411S

Developments in Beam Profiling with a CCD Area Array Detector

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Measurements and calculations of the performance of a frame-transfer CCD area array sensor in a beam profiling system are presented. The measured dark current and photosensitivity pattern noise of the sensor are shown to be better than those of previously studied self-scanned imaging devices. Calculated modulation transfer functions agree with previous measurements, verifying that the CCD sensor should be able to adequately resolve spatial frequencies up to 50 mm^-1. A logarithmic video amplifier was successfully interfaced with the CCD camera and an 8-bit image processor for the acquisition of laser beam images with improved contrast.

Author Information

O'Connell, RM

Ferreira, RJ

Stewart, AF

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Details

Developed by Committee: F01

Pages: 128–136

DOI: 10.1520/STP24411S

ISBN-EB: 978-0-8031-5033-1

ISBN-13: 978-0-8031-4481-1

Developments in Beam Profiling with a CCD Area Array Detector

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