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Proceedings Paper

Ultrafast transient white-light absorption spectroscopy of novel materials for optical limiting
Author(s): Sean M. Kirkpatrick; Casey Clark; Eric S. Pooler; James S. Shirk; Richard L. Sutherland; Paul A. Fleitz
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Paper Abstract

The excited state absorption of lead phthalocyanine is investigated using ultrafast transient white light absorption spectroscopy. Singlet state absorption features are identified on the basis of time. Increases in optical density up to 1 in the near infrared region of 900 nm to 1.1 micrometers are observed by pumping at 800 nm. In addition, several artifacts of this technique are discussed, with an aim towards improvements. In particular, self-pumping of the sample via the supercontinuum probe is observed and investigated.

Paper Details

Date Published: 4 October 1999
PDF: 5 pages
Proc. SPIE 3798, Power-Limiting Materials and Devices, (4 October 1999); doi: 10.1117/12.363871
Show Author Affiliations
Sean M. Kirkpatrick, Science Applications International Corp. (United States)
Casey Clark, Univ. of Dayton (United States)
Eric S. Pooler, Wright State Univ. (United States)
James S. Shirk, Naval Research Lab. (United States)
Richard L. Sutherland, Science Applications International Corp. (United States)
Paul A. Fleitz, Air Force Research Lab. (United States)

Published in SPIE Proceedings Vol. 3798:
Power-Limiting Materials and Devices
Christopher M. Lawson, Editor(s)

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