IR Laser Beam Profiling Using Quenched Fluorescence

NC Kerr; SE Clark; DC Emmony

doi:10.1520/STP26488S

SYMPOSIA PAPER Published: 01 January 1990

STP26488S

IR Laser Beam Profiling Using Quenched Fluorescence

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The construction and performance of a system for the spatial characterization of a CO₂ pulsed laser beam is described. Using thermally quenched fluorescence a direct imaging technique has been developed for single shot CO₂ laser pulse beam profiling. A CCD video camera and framestore interfaced to a PC computer are used to image the spatial intensity distribution produced by a CO₂ pulse incident upon a temperature dependent luminescent screen. The resolution is similar to much more expensive pyroelectric detector array techniques with all the advantages of two dimensional beam processing.

Author Information

Kerr, NC

Clark, SE

Emmony, DC

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Details

Developed by Committee: E13

Pages: 214–219

DOI: 10.1520/STP26488S

ISBN-EB: 978-0-8031-5157-4

ISBN-13: 978-0-8031-4478-1

IR Laser Beam Profiling Using Quenched Fluorescence

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