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Shaped incoherent light for control of kinetics: Optimization of up-conversion hues in phosphors

Author(s): Laforge, François O.; Kirschner, Matthew S.; Rabitz, Herschel A.

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Abstract: © 2018 Author(s). We propose a method for interactively controlling multi-species atomic and molecular systems with incoherent light. The technique is referred to as shaped incoherent light for control (SILC), which entails dynamically tailoring the spectrum of a broadband incoherent source to control atomic and molecular scale kinetics. Optimal SILC light patterns can be discovered with adaptive learning techniques where the system's observed response is fed back to the control for adjustment aiming to improve the objective. To demonstrate this concept, we optimized a SILC source to optimally control the evolving hue in near-IR to visible upconverting phosphors, which share many similarities with chemical reaction kinetics including non-linear behavior. Thus, the results suggest that SILC may be a valuable tool for the control of chemical kinetics with tailored incoherent light.
Electronic Publication Date: 7-Aug-2018
Citation: Laforge, F.O., Kirschner, M.S., Rabitz, H.A. (2018). Shaped incoherent light for control of kinetics: Optimization of up-conversion hues in phosphors. Journal of Chemical Physics, 149 (5), 10.1063/1.5035077.
DOI: doi:10.1063/1.5035077
ISSN: 0021-9606
Pages: 149.5:054201-1 - 054201-9
Type of Material: Journal Article
Journal/Proceeding Title: Journal of Chemical Physics
Version: Final published version. Article is made available in OAR by the publisher's permission or policy.
Notes: Journal of Chemical Physics. Volume 149, Issue 5, 7 August 2018, Article number 054201.



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