4 October 1999 Ultrafast transient white-light absorption spectroscopy of novel materials for optical limiting
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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.
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Sean M. Kirkpatrick, Sean M. Kirkpatrick, Casey Clark, Casey Clark, Eric S. Pooler, Eric S. Pooler, James S. Shirk, James S. Shirk, Richard L. Sutherland, Richard L. Sutherland, Paul A. Fleitz, Paul A. Fleitz, } "Ultrafast transient white-light absorption spectroscopy of novel materials for optical limiting", Proc. SPIE 3798, Power-Limiting Materials and Devices, (4 October 1999); doi: 10.1117/12.363871; https://doi.org/10.1117/12.363871
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