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Proceedings Paper

Nonlinear optical effects in carbon suspension
Author(s): Kenneth J. McEwan; Philip K. Milsom; David B. James
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Paper Abstract

In this report we examine how the fluid host influences the nonlinear optical response of carbon black suspensions on both the nanosecond and microsecond timescales. It is shown that there is a strong fluid dependence on the microsecond timescale and a smaller but still significant dependence on the nanosecond timescale. The temporal dynamics are studied and it is proposed that bubble formation is responsible for the enhanced microsecond response observed in the more volatile fluids. A beam propagation scheme is introduced and it is demonstrated that by making simple assumptions about the microscopic nonlinear loss mechanism the experimental data can be simulated.

Paper Details

Date Published: 12 October 1998
PDF: 11 pages
Proc. SPIE 3472, Nonlinear Optical Liquids for Power Limiting and Imaging, (12 October 1998); doi: 10.1117/12.326889
Show Author Affiliations
Kenneth J. McEwan, Defence Evaluation and Research Agency Malvern (United Kingdom)
Philip K. Milsom, Defence Evaluation and Research Agency Malvern (United Kingdom)
David B. James, Defence Evaluation and Research Agency Malvern (United Kingdom)


Published in SPIE Proceedings Vol. 3472:
Nonlinear Optical Liquids for Power Limiting and Imaging
Christopher M. Lawson, Editor(s)

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